Bill Wendling
a8c18890da
- Add a comment to the callback indicating that it's *extremely* not a good
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idea, but unfortunately necessary.
- Default to using 4-bytes for the LSDA pointer encoding to agree with the
encoded value in the CIE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93753 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-18 19:36:27 +00:00
Chris Lattner
8cb9a3b13f
remove the MAI argument to MCExpr::print and switch overthing to use << when printing them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-18 00:37:40 +00:00
Chris Lattner
10b318bcb3
now that MCSymbol::print doesn't use it's MAI argument, we can
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remove it and change all the code that prints MCSymbols to use
<< instead, which is much simpler and cleaner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-17 21:43:43 +00:00
Chris Lattner
c0dba723d1
now that mangler is in libtarget, it can use MCAsmInfo instead of clients
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having to pass various fields from it in. Simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93686 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-17 18:22:35 +00:00
Benjamin Kramer
1efd4fd56b
Switch some functions to take Twines, eliminate uses of StringExtras.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93680 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-17 07:46:39 +00:00
Nate Begeman
6f24a0a603
Add a note for the macho streamer and remove a used of the mangler from the soon to be defunct machowriter pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93670 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-17 03:49:01 +00:00
Kenneth Uildriks
93ae407ec3
When checking for sret-demotion, it needs to use legal types. When using the return value of an sret-demoted call, it needs to use possibly illegal types that match the declared Type of the callee.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93667 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 23:37:33 +00:00
Chris Lattner
45111d160c
move the mangler into libtarget from vmcore.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93664 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 21:57:06 +00:00
Chris Lattner
c94c825a40
reapply the mangler gutting patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93656 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 21:08:46 +00:00
Chris Lattner
6dfdad9c06
unbreak the build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93654 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 20:53:11 +00:00
Rafael Espindola
0f0c97810c
Revert 93648.
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Mangler::getMangledName is used from lto
Mangler::setUseQuotes is used in the AsmPrinter
Mangler::setSymbolsCanStartWithDigit is used in the AsmPrinter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93652 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 20:27:59 +00:00
Chris Lattner
848d0f37d2
Mangler::getMangledName is now dead, remove it and all the other stuff in Mangler that is now transitively dead. woo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93648 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 19:08:51 +00:00
Chris Lattner
858431d0bc
Change DIEObjectLabel to take an MCSymbol instead of std::string.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93647 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 18:50:28 +00:00
Chris Lattner
7a2ba94d03
rename GetPrivateGlobalValueSymbolStub -> GetSymbolWithGlobalValueBase,
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and add an explicit ForcePrivate argument.
Switch FunctionEHFrameInfo to be MCSymbol based instead of string based.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93646 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 18:37:32 +00:00
Chris Lattner
08ce3b473d
eliminate uses of getMangledName from AsmPrinter.cpp, last up is
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dwarf emission which is going to be more invasive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93645 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 18:17:26 +00:00
Devang Patel
a27f6e4e20
No need to use WeakVH here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 06:17:40 +00:00
Devang Patel
6b61f5816e
Replace DebugLocTuple with DILocation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93630 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 06:09:35 +00:00
Chris Lattner
0b3735e65a
remove a couple of actively incorrect uses of getMangledName.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93627 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 02:16:09 +00:00
Bill Wendling
d58e9cb42d
Retrying r91337:
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The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE for some platforms. Allow
individual platforms to decide for themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93616 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 01:40:55 +00:00
Chris Lattner
10595490cc
fix inverted conditional
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93614 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 01:37:14 +00:00
Chris Lattner
412c3a5bc9
CurrentFnName is now dead, remove it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 01:24:10 +00:00
Chris Lattner
5c40e694dc
remove the string form of printVisibility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93609 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 01:17:26 +00:00
Bob Wilson
cb44b28f4d
Treat indirect branches specially only during pre-regalloc tail duplication,
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not during the later post-alloc tail duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93600 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 00:42:25 +00:00
Bob Wilson
516ab96de3
Run the pre-register allocation tail duplication pass by default. Remove
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the -pre-regalloc-taildup command-line option, and add a new
-disable-early-taildup option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93597 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16 00:29:50 +00:00
Chris Lattner
d1947ed2f8
supplement CurrentFnName with CurrentFnSym, which will eventually
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replace it. Upgrade Alpha, Blackfin, and part of CellSPU to not
use mangler anymore. CellSPU needs more invasive surgery.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93589 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 23:55:16 +00:00
Chris Lattner
53d4d78d9a
add a version of AsmPrinter::printVisibility that takes an MCSymbol.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93587 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 23:38:51 +00:00
Chris Lattner
d588b97cc9
add another helper
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93577 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 23:25:11 +00:00
Chris Lattner
6b04edee11
add a AsmPrinter::GetGlobalValueSymbol and GetExternalSymbolSymbol
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helper method, use it to simplify some code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 23:18:17 +00:00
Ted Kremenek
11f30b0131
Update CMake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93571 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 22:59:46 +00:00
Devang Patel
167207a99b
Add FIXME.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93562 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 22:08:16 +00:00
Jakob Stoklund Olesen
33cc8d6b55
Don't make changes to the MBB in MachineBasicBlock::canFallThrough().
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This fixes the regression for -pre-regalloc-taildup in
MultiSource/Applications/lambda-0.1.3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93541 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 20:00:12 +00:00
Jakob Stoklund Olesen
057d53993c
Simplify logic. Any functional change is unintended.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93540 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 19:59:57 +00:00
David Greene
ac931c011f
Add some debug routines to SelectionDAG to dump full DAGs.
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print/dumpWithDepth allows one to dump a DAG up to N levels deep.
dump/printWithFullDepth prints the whole DAG, subject to a depth limit
on 100 in the default case (to prevent infinite recursion).
Have CannotYetSelect to a dumpWithFullDepth so it is clearer exactly
what the non-matching DAG looks like.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93538 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 19:43:23 +00:00
Victor Hernandez
3a32865d58
Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast).
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This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93531 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 19:04:09 +00:00
Nate Begeman
3fe980b127
Hook up llc's -filetype=obj to use MCStreamer if an MCCodeEmitter is available.
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Remove most of old Mach-O Writer support, it has been replaced by MCMachOStreamer
Further refactoring to completely remove MachOWriter and drive the object file
writer with the AsmPrinter MCInst/MCSection logic is forthcoming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93527 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 18:51:18 +00:00
Victor Hernandez
5f03238d62
Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be auto-upgraded
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 17:36:47 +00:00
Bob Wilson
bfdcf3bd49
Change pre-regalloc tail duplication to only duplicate indirect branch blocks.
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The pre-regalloc pass caused some regressions in both compile time and
performance of the generated code, and it did not improve performance, except
for indirect branches. I also moved the check for single-block loops to speed
up the common case when running the taildup pass before reg allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 06:29:17 +00:00
Victor Hernandez
283ba2fbb4
Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast).
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This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93504 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 03:37:48 +00:00
Devang Patel
c9b16cc108
Do not use AT_specification die for static variables. It confuses gdb.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93494 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 01:12:22 +00:00
Jim Grosbach
f4549b02a7
fix 80-column violations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93487 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 00:36:15 +00:00
Jim Grosbach
03825f8401
Fix 80 column violations and clean up whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93484 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 00:32:47 +00:00
Devang Patel
f8b72ca6c8
Do not emit multiple AT_container_type attributes.
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We need to find a better way to emit this info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93481 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15 00:26:31 +00:00
Dale Johannesen
cf0b76649b
Fix a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93463 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-14 21:50:17 +00:00
Jim Grosbach
86e69fa901
Add comment explaining the necessity of r93456
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93459 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-14 21:38:31 +00:00
Jim Grosbach
9f82da7cbf
Dwarf EH prepare needs to be run after SjLj prepare. Otherwise,
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catch info can get misplaced when a selector ends up more than one block
removed from the parent invoke(s). This could happen when a landing pad is
shared by multiple invokes and is also a target of a normal edge from
elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-14 21:22:16 +00:00
Dan Gohman
ff00a55517
Fix a codegen abort seen in 483.xalancbmk.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93417 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-14 03:08:49 +00:00
Evan Cheng
eb18812f75
Commit some changes I had managed to lose last night while refactoring the code. Avoid change use of PHI instructions because it's not legal to insert any instructions before them.
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This fixes PR6027.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93335 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 19:16:39 +00:00
Evan Cheng
81d22d87de
Re-enable extension optimization pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93313 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 08:45:40 +00:00
Evan Cheng
d89d5180d1
Add comment; refactor; avoid pulling in DT if it's not used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93306 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 07:59:13 +00:00
Chris Lattner
2f8cc26be4
remove uses of deprecated functions, this generates slightly
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different BlockAddress labels, but nothing semantically important.
Add a FIXME that BlockAddress codegen is broken if the LLVM BB has
an empty name (e.g. strip was run).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93303 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 07:30:49 +00:00
Chris Lattner
dfbcb8c38b
use the new form of getNameWithPrefix, not makeNameProper.
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Among other things, this would do very weird things if the
basic block name had (e.g.) a space in it on darwin:
makeNameProper would add quotes, then the mcsymbol would
escape the quotes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93302 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 07:16:53 +00:00
Chris Lattner
4813035b72
change Mangler::makeNameProper to return its result in a SmallVector
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instead of returning it in an std::string. Based on this change:
1. Change TargetLoweringObjectFileCOFF::getCOFFSection to take a StringRef
2. Change a bunch of targets to call makeNameProper with a smallstring,
making several of them *much* more efficient.
3. Rewrite Mangler::makeNameProper to not build names and then prepend
prefixes, not use temporary std::strings, and to avoid other crimes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 06:38:18 +00:00
Chris Lattner
38c2b0a99c
fix assert in AsmPrinter::EmitGlobalConstantLargeInt to match reality.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 04:39:46 +00:00
Chris Lattner
5979dfff8e
reduce nesting and code duplication in AsmPrinter::EmitGlobalConstantLargeInt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93292 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 04:38:16 +00:00
Chris Lattner
3cc3a00570
reduce indentation and add a fast-path to EmitGlobalConstant for 8-byte
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integers on 64-bit systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93291 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 04:34:19 +00:00
Chris Lattner
fe0e7ed6b0
reduce indentation and use early exits in AsmPrinter::EmitConstantValueOnly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93290 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 04:29:19 +00:00
Evan Cheng
262a96edb4
Disable opt-ext pass to unbreak the build for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93286 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 01:51:43 +00:00
Evan Cheng
d9e385f411
Remove debug option I accidentally left in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 01:43:20 +00:00
Ted Kremenek
ce3ad1565a
Update CMake file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93283 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 01:02:47 +00:00
Evan Cheng
7da9ecf967
Add a quick pass to optimize sign / zero extension instructions. For targets where the pre-extension values are available in the subreg of the result of the extension, replace the uses of the pre-extension value with the result + extract_subreg.
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For now, this pass is fairly conservative. It only perform the replacement when both the pre- and post- extension values are used in the block. It will miss cases where the post-extension values are live, but not used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93278 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 00:30:23 +00:00
Dale Johannesen
5f72a5ebc8
Further progration of metadata operands. The
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dumper doesn't really do what I want yet, but
at least it doesn't crash now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13 00:00:24 +00:00
Bob Wilson
86af655521
Fix a comment typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93261 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12 22:18:56 +00:00
Dan Gohman
21c14e3649
Update a partially obsolete comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93228 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12 04:32:35 +00:00
Dan Gohman
5c9cf19d1e
Fix a typo in a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12 04:30:26 +00:00
Jakob Stoklund Olesen
dd437ba15e
Avoid adding PHI arguments for a predecessor that has gone away when a BRCOND was constant folded.
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This fixes PR5980.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93184 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11 21:02:33 +00:00
Mon P Wang
fe240b1066
Disable transformation of select of two loads to a select of address and then a load if the
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loads are not in the default address space because the transformation discards src value info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93180 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11 20:12:49 +00:00
Devang Patel
23598502ef
s/NextValueNo/NextMDValueNo while processing metadata.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93165 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11 18:52:33 +00:00
Dan Gohman
d199636039
Revert an earlier change to SIGN_EXTEND_INREG for vectors. The VTSDNode
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really does need to be a vector type, because
TargetLowering::getOperationAction for SIGN_EXTEND_INREG uses that type,
and it needs to be able to distinguish between vectors and scalars.
Also, fix some more issues with legalization of vector casts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-09 02:13:55 +00:00
Evan Cheng
54e146b935
Dan pointed out checking whether a node is dead by comparing its opcode to ISD::DELETED_NODE is not safe. Use a DAGUpdateListener to remove dead nodes from work list instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-09 00:21:08 +00:00
Evan Cheng
6f279e0bda
ReplaceAllUsesOfValueWith may delete other nodes that the one being replaced. Do not delete dead nodes again.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92988 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-08 02:36:12 +00:00
Chris Lattner
bd1fccfad5
Fix rdar://7517201, a regression introduced by r92849.
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When folding a and(any_ext(load)) both the any_ext and the
load have to have only a single use.
This removes the anyext-uses.ll testcase which started failing
because it is unreduced and unclear what it is testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 21:59:23 +00:00
Chris Lattner
ef7634ca48
factor this code better and reduce nesting at the same
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time, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 21:53:27 +00:00
Evan Cheng
347a9cb507
APInt'fy TargetLowering::SimplifySetCC to fix PR5963.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92943 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 20:58:44 +00:00
Benjamin Kramer
2e0de6f771
Simplify code. No intended functionality/performance change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92938 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 19:46:15 +00:00
Benjamin Kramer
3d594fd299
Kill dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 17:50:57 +00:00
Benjamin Kramer
e7078aed24
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92919 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 17:29:08 +00:00
Benjamin Kramer
7b1e2a50a5
Use pop_back_val instead of back()+pop_back.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92918 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 17:27:56 +00:00
Jakob Stoklund Olesen
541e9ae3ad
Allow double defs after tail duplication.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92874 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 23:52:46 +00:00
Jakob Stoklund Olesen
30ac0467ce
Add Target hook to duplicate machine instructions.
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Some instructions refer to unique labels, and so cannot be trivially cloned
with CloneMachineInstr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92873 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 23:47:07 +00:00
Jim Grosbach
80c2b0d9ef
Anti-dependency breaking needs to be careful regarding instructions with
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multiple register definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 22:21:25 +00:00
Evan Cheng
54eb4c2991
Comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92850 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 19:43:21 +00:00
Evan Cheng
d40d03e1bd
Teach dag combine to fold the following transformation more aggressively:
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(OP (trunc x), (trunc y)) -> (trunc (OP x, y))
Unfortunately this simple change causes dag combine to infinite looping. The problem is the shrink demanded ops optimization tend to canonicalize expressions in the opposite manner. That is badness. This patch disable those optimizations in dag combine but instead it is done as a late pass in sdisel.
This also exposes some deficiencies in dag combine and x86 setcc / brcond lowering. Teach them to look pass ISD::TRUNCATE in various places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 19:38:29 +00:00
Jim Grosbach
2973b57093
80 column and whitespace cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92837 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 16:48:02 +00:00
Lang Hames
421c0733fd
Fixed malformed -*- lines in PBQP headers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 08:53:34 +00:00
Jakob Stoklund Olesen
8efadf94b5
Add <imp-def> and <imp-kill> operands when replacing virtual sub-register defs and kills.
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An instruction like this:
%reg1097:1<def> = VMOVSR %R3<kill>, 14, %reg0
Must be replaced with this when substituting physical registers:
%S0<def> = VMOVSR %R3<kill>, 14, %reg0, %D0<imp-def>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 00:29:28 +00:00
Bill Wendling
3f09487404
The previous code could potentially cause a cycle. Allow ordering w.r.t. a 0 order.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92810 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 00:23:35 +00:00
Bill Wendling
cfeea4b92a
Only check the ordering if there is an ordering for each nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92807 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-06 00:09:23 +00:00
Bill Wendling
247fb4ebd3
Add a semi-primitive form of scheduling via the "SDNode ordering" to the
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bottom-up scheduler. We prefer the lower order number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92806 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 23:48:12 +00:00
Bill Wendling
9f7c5c0dca
Don't assign the shift the same type as the variable being shifted. This could
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result in illegal types for the SHL operator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:39:10 +00:00
Dan Gohman
7c3ecb6838
Don't use the ISD::NodeType enum for SDNode opcodes, as CodeGen
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uses several kinds of opcode values which are not declared within
that enum. This fixes PR5946.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92794 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:26:32 +00:00
Dan Gohman
dda30cd4af
Restore dump() methods to Loop and MachineLoop.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92772 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:08:02 +00:00
Benjamin Kramer
8c65f6e71c
Move remaining stuff to the isInteger predicate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92771 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:05:54 +00:00
Jakob Stoklund Olesen
b31defe94c
Remove livein checks from machine code verifier.
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A phi operand that is implicitly defined in a predecessor becomes an undefined
register after phi elimination. This causes a lot of false positives when the
verifier is checking if live-in registers are live-out from all predecessors.
Removing the verifier checks seems like a better solution than insisting on
IMPLICIT_DEF instructions in predecessor blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92769 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 20:59:36 +00:00
Devang Patel
ee890edd69
If a scope has only one instruction then first instruction is also the last instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92736 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 16:59:17 +00:00
Benjamin Kramer
f012705c7e
Avoid going through the LLVMContext for type equality where it's safe to dereference the type pointer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92726 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 13:12:22 +00:00
Devang Patel
614d2ad0af
Delete renaming use of dead dbg intrinsics.
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Intrinsic::dbg_stoppoint
Intrinsic::dbg_region_start
Intrinsic::dbg_region_end
Intrinsic::dbg_func_start
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92672 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:47:06 +00:00
Devang Patel
351ca33284
Use StringRef.startswith().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92671 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:46:14 +00:00
David Greene
1a053236f1
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92597 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:26:11 +00:00
David Greene
dea8fbcae5
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92596 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:26:09 +00:00
David Greene
4424817a0d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:26:05 +00:00
David Greene
e1b2129471
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92594 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:26:01 +00:00
David Greene
c19a9cdfac
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92593 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:26:00 +00:00
David Greene
32edbd7454
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92592 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:58 +00:00
David Greene
65de504ad2
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92591 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:55 +00:00
David Greene
0ee5218cb2
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92590 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:52 +00:00
David Greene
87b0efc86d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92589 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:50 +00:00
David Greene
4175f58d6d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92588 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:47 +00:00
David Greene
0080b1accc
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92587 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:45 +00:00
David Greene
3093154206
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92586 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:43 +00:00
David Greene
4b134d1661
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:41 +00:00
David Greene
0d5c06e0b6
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92584 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:39 +00:00
David Greene
37277762c2
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92583 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:20 +00:00
David Greene
00dec1bbf9
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92582 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:15 +00:00
David Greene
84fa8229bb
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92581 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:11 +00:00
David Greene
33db62ce23
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:09 +00:00
David Greene
bb22223d5b
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:04 +00:00
David Greene
f10902981c
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92578 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:25:00 +00:00
David Greene
4b69d9909d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92577 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:57 +00:00
David Greene
e492ae13ed
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92576 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:54 +00:00
David Greene
993aacedfd
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:53 +00:00
David Greene
ad61b129ee
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92574 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:50 +00:00
David Greene
f0dee89b02
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92573 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:48 +00:00
David Greene
9abe0bbd90
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92572 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:45 +00:00
David Greene
ec2d7fe924
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92571 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:43 +00:00
David Greene
7419b1806a
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92570 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:40 +00:00
David Greene
55d146e0f9
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92569 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:36 +00:00
David Greene
d765353da8
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92568 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:34 +00:00
David Greene
7530efb49e
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:28 +00:00
David Greene
f788297942
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92566 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:24 +00:00
David Greene
eb00b18338
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92565 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:21 +00:00
Dan Gohman
eeb3a00b84
Change SelectCode's argument from SDValue to SDNode *, to make it more
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clear what information these functions are actually using.
This is also a micro-optimization, as passing a SDNode * around is
simpler than passing a { SDNode *, int } by value or reference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:18 +00:00
David Greene
4c3235595f
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92563 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 01:24:08 +00:00
David Greene
6bb93ef3be
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92548 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 00:10:05 +00:00
David Greene
65a41eb59e
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92547 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 00:03:48 +00:00
David Greene
3b32533410
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92545 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:48:20 +00:00
David Greene
dc55481841
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92544 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:39:17 +00:00
David Greene
dbdbbd9a67
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:22:07 +00:00
David Greene
7d30d62c9e
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92539 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:14:46 +00:00
David Greene
6d206f8fc9
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92535 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:06:47 +00:00
Devang Patel
ba1d8264e6
Fix debug_inlined section entries for routines whose names are changed through __asm() extension.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92533 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:04:36 +00:00
David Greene
1d44df6afe
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92532 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 23:02:10 +00:00
David Greene
8a34229dcf
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92529 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 22:49:02 +00:00
David Greene
5242154b55
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92528 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 22:41:43 +00:00
David Greene
2800eb1d30
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92524 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 22:33:16 +00:00
David Greene
083b7ffb4d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92520 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 22:02:01 +00:00
David Greene
cc54c7caa4
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92518 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 21:48:34 +00:00
David Greene
aba28d1273
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92516 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 21:35:15 +00:00
David Greene
73242dd692
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 21:26:07 +00:00
Dan Gohman
f2d7fb3eac
Use a pointer type rather than MVT::Other for the ExternalSymbol node used
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in an inline asm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92512 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 21:00:54 +00:00
Devang Patel
344130e8ab
Fix begin and end markers for nested scopes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 20:44:00 +00:00
David Greene
6e120a1c70
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92502 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 19:57:26 +00:00
David Greene
5957c9b8aa
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92498 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 19:36:42 +00:00
David Greene
26045e25bf
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92496 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 19:10:20 +00:00
David Greene
89d6a24262
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04 17:47:05 +00:00
Chris Lattner
d0592d3be6
fix PR5930, allowing the asmprinter to emit difference between
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two labels as a truncate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92455 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-03 18:33:18 +00:00
Chris Lattner
133ce871df
Teach codegen to handle:
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(X != null) | (Y != null) --> (X|Y) != 0
(X == null) & (Y == null) --> (X|Y) == 0
so that instcombine can stop doing this for pointers. This is part of PR3351,
which is a case where instcombine doing this for pointers (inserting ptrtoint)
is pessimizing code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92406 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-02 00:00:03 +00:00
Chris Lattner
53334ca5ac
whitespace cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92404 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-01 23:37:34 +00:00
Mikhail Glushenkov
bfdfea86a1
Fix a warning on gcc 4.4.
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SelectionDAGBuilder.cpp:4294: warning: suggest explicit braces to avoid
ambiguous ‘else’
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-01 04:41:36 +00:00
Mikhail Glushenkov
b3c0199f6a
Trailing whitespace, 80-col violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92394 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-01 04:41:22 +00:00
Chris Lattner
f031e8ad01
Teach codegen to lower llvm.powi to an efficient (but not optimal)
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multiply sequence when the power is a constant integer. Before, our
codegen for std::pow(.., int) always turned into a libcall, which was
really inefficient.
This should also make many gfortran programs happier I'd imagine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-01 03:32:16 +00:00
Chris Lattner
bf0ca2b477
remove a bunch of unneeded functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-29 09:32:19 +00:00
Chris Lattner
081134741b
Final step in the metadata API restructuring: move the
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getMDKindID/getMDKindNames methods to LLVMContext (and add
convenience methods to Module), eliminating MetadataContext.
Move the state that it maintains out to LLVMContext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-29 09:01:33 +00:00
Chris Lattner
3990b121cf
This is a major cleanup of the instruction metadata interfaces that
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I asked Devang to do back on Sep 27. Instead of going through the
MetadataContext class with methods like getMD() and getMDs(), just
ask the instruction directly for its metadata with getMetadata()
and getAllMetadata().
This includes a variety of other fixes and improvements: previously
all Value*'s were bloated because the HasMetadata bit was thrown into
value, adding a 9th bit to a byte. Now this is properly sunk down to
the Instruction class (the only place where it makes sense) and it
will be folded away somewhere soon.
This also fixes some confusion in getMDs and its clients about
whether the returned list is indexed by the MDID or densely packed.
This is now returned sorted and densely packed and the comments make
this clear.
This introduces a number of fixme's which I'll follow up on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92235 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 23:41:32 +00:00
Chris Lattner
0eb419800a
rename getMDKind -> getMDKindID, make it autoinsert if an MD Kind
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doesn't exist already, eliminate registerMDKind. Tidy up a bunch
of random stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92225 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 20:45:51 +00:00
Chris Lattner
5e9cd43423
snip one more #include from Metadata.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92214 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 08:30:43 +00:00
Chris Lattner
0b86a6f049
move these out of their own timer groups into the 'uncategorized' groups.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92206 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 07:41:18 +00:00
Sanjiv Gupta
8f17a36d31
Allow targets to specify the return type of libcalls that are generated for floating point comparisons, rather than hard-coding them as i32.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 02:40:33 +00:00
Bill Wendling
9882007003
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:51:30 +00:00
Bill Wendling
551aa99796
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92189 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:48:56 +00:00
Bill Wendling
d831181f89
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92188 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:47:48 +00:00
Bill Wendling
a98add69bd
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92187 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:44:39 +00:00
Bill Wendling
8688888787
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:02:21 +00:00
Bill Wendling
3983fbc112
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92179 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:01:14 +00:00
Bill Wendling
b17f15b25f
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92178 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:00:12 +00:00
Bill Wendling
164558e59c
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:45:50 +00:00
Bill Wendling
ad2cf9dd63
Remove dead store from copy-pasto.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:44:36 +00:00
Bill Wendling
ebc0c8cc6d
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92157 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:39:58 +00:00
Bill Wendling
1a6726f795
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92156 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:37:27 +00:00
Chris Lattner
04b091a782
handle equality memcmp of 8 bytes on x86-64 with two unaligned loads and a
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compare. On other targets we end up with a call to memcmp because we don't
want 16 individual byte loads. We should be able to use movups as well, but
we're failing to select the generated icmp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 01:07:17 +00:00
David Greene
7ed6dd61ac
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92099 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:39:02 +00:00
Chris Lattner
8047d9a6be
move an optimization for memcmp out of simplifylibcalls and into
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SDISel. This optimization was causing simplifylibcalls to
introduce type-unsafe nastiness. This is the first step, I'll be
expanding the memcmp optimizations shortly, covering things that
we really really wouldn't want simplifylibcalls to do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:37:38 +00:00
David Greene
465e2b950d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92097 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:34:21 +00:00
David Greene
f83adbc4c1
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:31:35 +00:00
David Greene
0c8b6e6bc5
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:27:55 +00:00
David Greene
5393b25234
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92093 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:14:25 +00:00
Nuno Lopes
ec9d8b0047
move a few more symbols to .rodata
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 17:48:10 +00:00
Dale Johannesen
9949933d6e
Use more sensible type for flags in asms. PR 5570.
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Patch by Sylve`re Teissier (sorry, ASCII only).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 07:32:51 +00:00
Eric Christopher
d060b2576a
Update objectsize intrinsic and associated dependencies. Fix
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lowering code and update testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 02:51:48 +00:00
Bill Wendling
0d58013c3f
Remove superfluous SDNode ordering.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:28:19 +00:00
Bill Wendling
fc67bbe7bc
Remove node ordering from inline asm nodes. It's not needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:47:20 +00:00
Bill Wendling
c1d3c944ab
Remove node ordering from VA nodes. It's not needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:44:51 +00:00
Bill Wendling
775db97a50
Revert r91949 r91942 and r91936.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:28:23 +00:00
Bill Wendling
122d06de74
Finish up node ordering in ExpandNode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:05:09 +00:00
Jakob Stoklund Olesen
4b6677f1c6
Add coalescer asserts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91945 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:54:54 +00:00
Bill Wendling
3dbcb55b40
Assign ordering to nodes created in ExpandNode. Only roughly 1/2 of the function
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is finished.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:44:56 +00:00
Bill Wendling
167bea71a4
Assign ordering to SDNodes in PromoteNode. Also fixing a subtle bug where BSWAP
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was using "Tmp1" in the first getNode call instead of Node->getOperand(0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 22:53:39 +00:00
Jakob Stoklund Olesen
18ea3a1551
Remove minimal CFG sanity checks from verifier.
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These checks would often trigger on unreachable statements inserted by
bugpoint, leading it astray.
It would be nice if we could distinguish unreachable blocks from errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:52:27 +00:00
Jakob Stoklund Olesen
5711564b09
Allow explicit %reg0 operands beyond what the .td file describes.
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ARM uses these to indicate predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:48:20 +00:00
Bill Wendling
3ea58b6d7a
Allow 0 as an order number. Don't assign an order to formal arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:35:02 +00:00
Bob Wilson
e261b0c90b
Report an error for bad inline assembly, where the value passed for an
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"indirect" operand is not a pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 18:34:19 +00:00
Bill Wendling
3ea3c24619
Add more plumbing. This time in the LowerArguments and "get" functions which
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return partial registers. This affected the back-end lowering code some.
Also patch up some places I missed before in the "get" functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 02:10:19 +00:00
Bill Wendling
651ad13d3c
Add SDNode ordering to inlined asm and VA functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91876 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:25:10 +00:00
Bill Wendling
ec72e32fb0
Adding more assignment of ordering to SDNodes. This time in the "call" and
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generic copy functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:11:43 +00:00
Bill Wendling
e80ae836f2
Add ordering of SDNodes to LowerCallTo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:50:32 +00:00
Bill Wendling
d0283fa69f
Now add ordering to SDNodes created by the massive intrinsic lowering function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:40:51 +00:00
Bill Wendling
856ff41079
To make things interesting, I added MORE code to set the ordering of
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SDNodes. This time in the load/store and limited-precision code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91860 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:12:37 +00:00
Lang Hames
74ab5eeffb
Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint.
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This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:11:50 +00:00
Bill Wendling
87710f04e5
Add more plumbing to assign ordering to SDNodes. Have the "getValue" method
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assign the ordering when called. Combine some of the ordering assignments to
keep things simple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:47:40 +00:00
Bill Wendling
e1a9042041
More ordering plumbing. This time for GEP. I need to remember to assign
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orderings to values returned by getValue().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:10:19 +00:00
Bill Wendling
b85b6e8882
Another incremental check-in for assigning ordering to SDNodes. This time for
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shuffle and insert vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91847 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 22:42:14 +00:00
Bill Wendling
49fcff8a5d
Assign ordering to more instructions. Incremental check-in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 22:30:11 +00:00
Bill Wendling
0777e92721
- Add a bit more plumbing assigning an order to SDNodes.
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- Modify the "dump" method to emit the order of an SDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 21:59:52 +00:00
Bill Wendling
3b7a41ce90
First wave of plumbing for assigning an ordering to SDNodes. This takes care of
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a lot of the branching instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 19:59:38 +00:00
Bill Wendling
e36025ec18
Place SDNodeOrdering.h in the directory it's used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 19:34:59 +00:00
Eric Christopher
f4f43cb501
Fix setting and default setting of code model for jit. Do this
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by allowing backends to override routines that will default
the JIT and Static code generation to an appropriate code model
for the architecture.
Should fix PR 5773.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 08:15:29 +00:00
Douglas Gregor
cabdd7425d
Fix a bunch of little errors that Clang complains about when its being pedantic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 07:05:23 +00:00
Anton Korobeynikov
cc62c3c928
Use 4-arg getVTList) variant instead of generic one, when possible
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91744 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 02:04:00 +00:00
Bill Wendling
b4e6a5df5d
Changes from review:
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- Move DisableScheduling flag into TargetOption.h
- Move SDNodeOrdering into its own header file. Give it a minimal interface that
doesn't conflate construction with storage.
- Move assigning the ordering into the SelectionDAGBuilder.
This isn't used yet, so there should be no functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91727 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 23:32:53 +00:00
Evan Cheng
9ab2b98ba5
Increase opportunities to optimize (brcond (srl (and c1), c2)).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91717 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 21:31:31 +00:00
Dan Gohman
92329c7fbe
Add Loop contains utility methods for testing whether a loop
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contains another loop, or an instruction. The loop form is
substantially more efficient on large loops than the typical
code it replaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91654 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 01:24:09 +00:00
Bob Wilson
5afffaed5c
Handle ARM inline asm "w" constraints with 64-bit ("d") registers.
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The change in SelectionDAGBuilder is needed to allow using bitcasts to convert
between f64 (the default type for ARM "d" registers) and 64-bit Neon vector
types. Radar 7457110.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91649 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 01:03:29 +00:00
John McCall
a692313103
Sundry dependent-name fixes flagged by clang++.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:49:16 +00:00
Bill Wendling
6532ff889c
Revert accidental commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:45:18 +00:00
Bill Wendling
3de8249078
Turn off critical edge splitting for landing pads. The introduction of a
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non-landing pad basic block as the successor to a block that ends in an
unconditional jump will cause block folding to remove the added block as a
successor. Thus eventually removing it AND the landing pad entirely. Critical
edge splitting is an optimization, so we can safely turn it off when dealing
with landing pads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:42:32 +00:00
Bill Wendling
aeb79aea8f
Temporarily revert 91337. It's causing testcase failures.
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$ svn merge -c -91337 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91337 into '.':
U lib/CodeGen/AsmPrinter/DwarfException.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91618 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:41:01 +00:00
Ken Dyck
bceddbdc91
Introduce EVT::getHalfSizedIntegerVT() for use in ExpandUnalignedStore() in
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LegalizeDAG.cpp. Unlike the code it replaces, which simply decrements the simple
type by one, getHalfSizedIntegerVT() searches for the smallest simple integer
type that is at least half the size of the type it is called on. This approach
has the advantage that it will continue working if a new value type (such as
i24) is added to MVT.
Also, in preparation for new value types, remove the assertions that
non-power-of-2 8-bit-mutiple types are Extended when legalizing extload and
truncstore operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91614 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:09:43 +00:00
Evan Cheng
2013e2c6bd
Remove debugging code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 18:03:12 +00:00
Evan Cheng
04149f7ffd
Revert 91280-91283, 91286-91289, 91291, 91293, 91295-91296. It apparently introduced a non-deterministic behavior in the optimizer somewhere.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91598 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 09:39:49 +00:00
Bob Wilson
266d945fff
Fix a comment grammaro.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 05:07:36 +00:00
Evan Cheng
4c2b001f13
Revert this dag combine change:
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Fold (zext (and x, cst)) -> (and (zext x), cst)
DAG combiner likes to optimize expression in the other way so this would end up cause an infinite looping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 00:40:05 +00:00
Daniel Dunbar
819309efec
Reapply r91392, it was only unmasking the bug, and since TOT is still broken having it reverted does no good.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91560 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 20:10:05 +00:00
Jim Grosbach
06801722a4
Add @earlyclobber TableGen constraint
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91554 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 19:43:02 +00:00
Jakob Stoklund Olesen
74215fc29f
Reuse lowered phi nodes.
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Tail duplication produces lots of identical phi nodes in different basic
blocks. Teach PHIElimination to reuse the join registers when lowering a phi
node that is identical to an already lowered node. This saves virtual
registers, and more importantly it avoids creating copies the the coalescer
doesn't know how to eliminate.
Teach LiveIntervalAnalysis about the phi joins with multiple uses.
This patch significantly reduces code size produced by -pre-regalloc-taildup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91549 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 18:55:53 +00:00
Daniel Dunbar
222518d0bb
Revert "Initial work on disabling the scheduler. This is a work in progress, and
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this", this broke llvm-gcc bootstrap for release builds on
x86_64-apple-darwin10.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91533 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 10:56:02 +00:00
Dale Johannesen
fc49bd2447
Do better with physical reg operands (typically, from inline asm)
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in local register allocator. If a reg-reg copy has a phys reg
input and a virt reg output, and this is the last use of the phys
reg, assign the phys reg to the virt reg. If a reg-reg copy has
a phys reg output and we need to reload its spilled input, reload
it directly into the phys reg than passing it through another reg.
Following 76208, there is sometimes no dependency between the def of
a phys reg and its use; this creates a window where that phys reg
can be used for spilling (this is true in linear scan also). This
is bad and needs to be fixed a better way, although 76208 works too
well in practice to be reverted. However, there should normally be
no spilling within inline asm blocks. The patch here goes a long way
towards making this actually be true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91485 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 00:29:41 +00:00
John McCall
f32616e0bd
Explicit template instantiations must happen in the template's immediately
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enclosing namespace. Caught by clang++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91480 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 00:13:24 +00:00
Bill Wendling
c70d331151
Helpful comment added. Some code cleanup. No functional change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91479 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 00:08:36 +00:00
Bill Wendling
fe586b3e38
Initialize uninitialized variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91477 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 00:01:27 +00:00
Bill Wendling
408e9d166a
Initialize uninitialized variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91475 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 00:00:18 +00:00
Devang Patel
6404e4e795
Add support to emit debug info for C++ namespaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91440 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 19:16:48 +00:00
Chris Lattner
4bbf4ee149
Remove isPod() from DenseMapInfo, splitting it out to its own
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isPodLike type trait. This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91421 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 07:26:43 +00:00
Evan Cheng
9818c043d2
Make 91378 more conservative.
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1. Only perform (zext (shl (zext x), y)) -> (shl (zext x), y) when y is a constant. This makes sure it remove at least one zest.
2. If the shift is a left shift, make sure the original shift cannot shift out bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91399 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 03:00:32 +00:00
Bill Wendling
614407a9d2
Initial work on disabling the scheduler. This is a work in progress, and this
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stuff isn't used just yet.
We want to model the GCC `-fno-schedule-insns' and `-fno-schedule-insns2'
flags. The hypothesis is that the people who use these flags know what they are
doing, and have hand-optimized the C code to reduce latencies and other
conflicts.
The idea behind our scheme to turn off scheduling is to create a map "on the
side" during DAG generation. It will order the nodes by how they appeared in the
code. This map is then used during scheduling to get the ordering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 01:54:51 +00:00
Evan Cheng
3466f13f38
Tail duplication should zap a copy it inserted for SSA update if the copy is the only use of its source.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91390 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 01:44:10 +00:00
Evan Cheng
8acb3100de
Fold (zext (and x, cst)) -> (and (zext x), cst).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91380 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:52:11 +00:00
Evan Cheng
99b653c36f
Propagate zest through logical shift.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:41:36 +00:00
Bill Wendling
43cf6c3939
Revert these. They may have been causing 483_xalancbmk to fail:
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$ svn merge -c -91161 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91161 into '.':
U lib/CodeGen/BranchFolding.cpp
U lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91113 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91113 into '.':
G lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91101 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91101 into '.':
U include/llvm/CodeGen/MachineBasicBlock.h
G lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91092 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91092 into '.':
G include/llvm/CodeGen/MachineBasicBlock.h
G lib/CodeGen/MachineBasicBlock.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91376 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:39:24 +00:00
Dan Gohman
2e141d744e
Fix integer cast code to handle vector types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:40:38 +00:00
Dan Gohman
688fb80334
Fix this to properly clear the FastISel debug location. Thanks to
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Bill for spotting this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:08:09 +00:00
Bill Wendling
f8084fb1e1
The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
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but we need it to actually be 4-bytes in the FDE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91337 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:49:44 +00:00
Devang Patel
ffe966c15b
Use DW_AT_specification to point to DIE describing function declaration.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 16:18:45 +00:00
Lang Hames
94a4a5eec6
Added CalcSpillWeights to CMakeLists.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91275 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 07:43:25 +00:00
Bill Wendling
85de1e5bad
Whitespace changes, comment clarification. No functional changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 06:51:19 +00:00
Lang Hames
a937f220e1
Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 06:49:42 +00:00
Anton Korobeynikov
60283f9bc9
Fix weird typo which leads to unallocated memory access for nodes with 4 results.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-13 01:00:59 +00:00
Dan Gohman
a0474a83bf
Delete an unnecessary line. The VTSDNode on a SIGN_EXTEND_REG is never
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a vector type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91181 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 23:26:08 +00:00
Bill Wendling
c42a0b75a4
Don't try to move a MBB into the fall-through position if it's a landing pad or
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branches only to a landing pad. Without this check, the compiler would go into
an infinite loop because the branch to a landing pad is an "abnormal" edge which
wasn't being taken into account.
This is the meat of that fix:
if (!PrevBB.canFallThrough() && !MBB->BranchesToLandingPad(MBB)) {
The other stuff is simplification of the "branches to a landing pad" code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91161 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 21:47:36 +00:00
Devang Patel
d037d7a497
Construct CompileUnits lazily.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 21:37:07 +00:00
Dan Gohman
87862e77bb
Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 21:31:27 +00:00
Dan Gohman
a4f9cc4e55
Fix the result type of SELECT nodes lowered from Select instructions with
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aggregate return values. This fixes PR5754.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91145 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 19:50:50 +00:00
Anton Korobeynikov
817a46454a
Honour setHasCalls() set from isel.
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This is used in some weird cases like general dynamic TLS model.
This fixes PR5723
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 19:39:55 +00:00
Bill Wendling
a288b2f43a
Revert part of r91101 which was causing an infinite loop in the self-hosting
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build bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91113 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 10:43:41 +00:00
Evan Cheng
ac94863a1c
Coalesce insert_subreg undef, x first to avoid phase ordering issue.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91103 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 06:01:00 +00:00
Bill Wendling
64bdde2093
Address comments on last patch:
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- Loosen the restrictions when checking of it branches to a landing pad.
- Make the loop more efficient by checking the '.insert' return value.
- Do cheaper checks first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 03:14:18 +00:00
Bill Wendling
4bde1ab82d
A machine basic block may end in an unconditional branch, however it may have
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more than one successor. Normally, these extra successors are dead. However,
some of them may branch to exception handling landing pads. If we remove those
successors, then the landing pads could go away if all predecessors to it are
removed. Before, it was checking if the direct successor was the landing
pad. But it could be the result of jumping through multiple basic blocks to get
to it. If we were to only check for the existence of an EH_LABEL in the basic
block and not remove successors if it's in there, then it could stop actually
dead basic blocks from being removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11 01:49:14 +00:00
Devang Patel
edb4563cea
If VariableDIe is not created (may be because global was optimzed away) then do not try to use the variable die.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10 23:25:41 +00:00
Evan Cheng
6fd78ec8a2
It's not safe to coalesce a move where src and dst registers have different subregister indices. e.g.:
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%reg16404:1<def> = MOV8rr %reg16412:2<kill>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91061 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10 20:59:45 +00:00
Devang Patel
c366f83d89
Refactor code that finds context for a given die.
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Create global variable DIEs after creating subprogram DIEs. This allows function level static variable's to find their context at the time of DIE creation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10 19:14:49 +00:00
Devang Patel
16ced733f3
Refactor.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91051 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10 18:05:33 +00:00
Jakob Stoklund Olesen
cf97036675
Also attempt trivial coalescing for live intervals that end in a copy.
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The coalescer is supposed to clean these up, but when setting up parameters
for a function call, there may be copies to physregs. If the defining
instruction has been LICM'ed far away, the coalescer won't touch it.
The register allocation hint does not always work - when the register
allocator is backtracking, it clears the hints.
This patch is more conservative than r90502, and does not break
483.xalancbmk/i686. It still breaks the PowerPC bootstrap, so it is disabled
by default, and can be enabled with the -trivial-coalesce-ends option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91049 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10 17:48:32 +00:00
Devang Patel
8a24114b16
Reapply r90858, a cleanup patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 18:24:21 +00:00
David Goodwin
990d285765
<rdar://problem/7453528>. Track only physical registers that are valid for the target.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 17:18:22 +00:00
Lang Hames
6194569d22
Added a new "splitting" spiller.
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When a call is placed to spill an interval this spiller will first try to
break the interval up into its component values. Single value intervals and
intervals which have already been split (or are the result of previous splits)
are spilled by the default spiller.
Splitting intervals as described above may improve the performance of generated
code in some circumstances. This work is experimental however, and it still
miscompiles many benchmarks. It's not recommended for general use yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 05:39:12 +00:00
Evan Cheng
7bd6478cd6
Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90925 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:53:58 +00:00
Evan Cheng
64fa4a9584
Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:36:00 +00:00
Evan Cheng
de2ace1758
Infer alignment for non-fixed stack object.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:17:24 +00:00
Evan Cheng
7ced2e0b30
Add const qualifier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:10:37 +00:00
Evan Cheng
f2dc5c785d
Refactor InferAlignment out of DAGCombine.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90917 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:04:59 +00:00
Devang Patel
0000fadb00
Revert 90858 90875 and 90805 for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08 23:21:45 +00:00
Devang Patel
a3a60c6c49
Cleanup.
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There is no need to supply ModuleCU to addType() as a parameter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90858 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08 15:31:31 +00:00
Devang Patel
018b66038c
Do not try to push dead variable's debug info into namespace info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08 15:01:35 +00:00
Evan Cheng
3a41ddb1b9
Watch out for duplicated PHI instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90816 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 23:11:03 +00:00
Evan Cheng
d8f079c25e
Follow up to 90488. Turn a check into an assertion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90815 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 23:10:34 +00:00
Devang Patel
4063f6bcc7
Add support to emit debug info for c++ style namespaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 21:41:32 +00:00
Evan Cheng
80564f761a
Delete code accidentally left behind.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90804 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 21:19:33 +00:00
Evan Cheng
75eb535843
Pre-regalloc tale duplication. Work in progress.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 10:15:19 +00:00
Evan Cheng
7e572eb37f
If BB is empty, insert PHI before end() instead of front().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90744 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 03:07:01 +00:00
Anton Korobeynikov
1c3436a67a
Truncate the arguments of llvm.frameaddress / llvm.returnaddress intrinsics from i32 to platform's largest native type
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90741 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 02:28:26 +00:00
Dan Gohman
87bad707ed
Remove old DBG_LABEL code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90669 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 17:56:26 +00:00
Dan Gohman
714efc63d4
Remove the unused DisableLegalizeTypes option and related code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 17:51:33 +00:00
Bill Wendling
dc492e0370
Temporarily revert r90502. It was causing the llvm-gcc bootstrap on PPC to fail.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 07:30:23 +00:00
Dan Gohman
b3b9821cde
Don't print a space before the : between the file name and line number.
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And separate the directory and file name with a '/'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 02:00:34 +00:00
Dan Gohman
eecb9919a4
Print newlines after printing labels for debug info, so that the output
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isn't cluttered with things like "Llabel47:Llabel48: movq (%rsi), %xmm3"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:42:34 +00:00
Dan Gohman
381ca5572e
Don't blindly set the debug location for PHI node copies.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90637 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:29:04 +00:00
Dan Gohman
6e3ff37547
Make TargetSelectInstruction protected and called from FastISel.cpp
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instead of SelectionDAGISel.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:27:58 +00:00
Dan Gohman
864e2efce2
Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
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MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:44:40 +00:00
Dan Gohman
735985fbbe
Simplify this code: don't call AnalyzeBranch before doing simpler checks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:32:59 +00:00
Dan Gohman
07f111e7b7
The debug information for an LLVM Instruction applies to that Instruction
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and that Instruction only. Implement this by setting the "current debug position"
back to Unknown after processing each instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90632 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:27:08 +00:00
Dan Gohman
3b9bc04eda
Fix this code to use DIScope instead of DICompileUnit, as in r90181.
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Don't print "SrcLine"; just print the filename and line number, which
is obvious enough and more informative.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90631 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:23:29 +00:00
Dan Gohman
4b808b014b
Don't print the debug directory; it's often long and uninteresting. Omit
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the column number if it is not known. Handle the case of a missing filename
better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:20:51 +00:00