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46877 Commits

Author SHA1 Message Date
Eli Friedman
b2b03fc2fa Make FastEmit_ri_ try a bit harder to succeed for supported operations; FastEmit_i can fail for non-Thumb2 ARM. Makes ARMSimplifyAddress work correctly, and reduces the number of fast-isel bailouts on non-Thumb ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130560 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 23:34:52 +00:00
Eric Christopher
5ac179ccd2 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 23:12:01 +00:00
Eli Friedman
b451770b26 Zap a couple now-unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130557 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:56:48 +00:00
Eli Friedman
c573e2c7ea Switch to ImmLeaf (which can be used by FastISel) for a few more common ARM/Thumb2 patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:48:03 +00:00
Devang Patel
40348e8d1f Assing line number info to new PHIs created by SSA updater. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:28:59 +00:00
Eric Christopher
d94bc549fc Add FastEmitInst_ii for the arm fast isel generator. It doesn't use it, but 
if it ever did it needs the def machinery.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:07:50 +00:00
Eric Christopher
632ae892e6 Some cleanup and optimize fallthrough more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:56:31 +00:00
Rafael Espindola
1f6c87554a Avoid some uses of .uleb128. This is a small speedup and more importantly 
lets this code be used when producing assembly code for old assemblers without
uleb support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:50:57 +00:00
Rafael Espindola
7f46b08082 Implement MCAsmStreamer::EmitCFIDefCfa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130543 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:41:06 +00:00
Devang Patel
0b2fb39d8d Print new instructions without DebugLoc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130542 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:36:04 +00:00
Eli Friedman
9ebf57ae13 Re-committing r130454, which does not in fact break anything. 
Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register.
rdar://problem/9338332 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130539 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:22:56 +00:00
Devang Patel
bd5426a4f2 Preserve line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 20:38:55 +00:00
Eric Christopher
bcf26aee86 Add trunc->branch support, this won't help with clang's i8->i1 truncations 
for bools, but is a start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 20:02:39 +00:00
Peter Collingbourne
57808b3da0 SimplifyCFG: Expose phi node folding cost threshold as command line parameter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130528 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:38 +00:00
Peter Collingbourne
f15907fead SimplifyCFG: Add CostRemaining parameter to DominatesMergePoint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130527 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:31 +00:00
Peter Collingbourne
8a70192b51 SimplifyCFG: Add Trunc, ZExt and SExt to the list of cheap instructions for phi node folding 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130526 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:25 +00:00
Daniel Dunbar
c8497b6a25 MCAsmLayout: Add support for computing the symbol offset of variables. Not 
currently used, because variables don't get reported as being "defined".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130524 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:20:20 +00:00
Daniel Dunbar
90604ab725 MC: Change variable symbols to be recognized as defined, by assigning their sections based on FindAssociatedSection(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130523 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:20:17 +00:00
Daniel Dunbar
173aa9ce32 MC/Mach-O: Update getSymbolAddress() to support evaluation of variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130522 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:13:42 +00:00
Daniel Dunbar
5ff919b324 MC/Mach-O: Allow emission of relocations for variables in some more cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130520 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:10:47 +00:00
Daniel Dunbar
08b9935b51 MC/Mach-O: Find section ordinal's by looking at the symbol, instead of assuming they are present in a fragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:07:43 +00:00
Devang Patel
49a3ff9d17 Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries. 
PR 9810



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:00:54 +00:00
Daniel Dunbar
0eab5c4d85 MCExpr: Add FindAssociatedSection, which attempts to mirror the 'as' semantics 
that associate sections with expressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:00:03 +00:00
Daniel Dunbar
6db7fe8736 MC/AsmParser: Generalize a check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 17:53:11 +00:00
Douglas Gregor
c003229ddc Fix a C++0x portability issue with std::make_pair. Explicitly providing template arguments no longer works when the call arguments are lvalues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130513 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 16:57:12 +00:00
Douglas Gregor
72d30f6950 Include <pthread.h> before we use pthread_self/pthread_kill 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130510 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 16:12:17 +00:00
Rafael Espindola
ac3ba1b27e The last hack for producing bit identical output with cfi on OS X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 15:09:53 +00:00
Rafael Espindola
7b11a4cbdc Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:48:51 +00:00
Andrew Trick
d49ffe8284 Teach Thumb2 isel to fold and->rotr ==> ROR. 
Generalization of Nate Begeman's patch!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:18:15 +00:00
Rafael Espindola
a432997745 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:14:06 +00:00
Benjamin Kramer
ce3a022b8c This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130499 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:09:57 +00:00
Benjamin Kramer
3224806109 Balance parentheses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130489 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 08:41:23 +00:00
Benjamin Kramer
c2e31c1461 InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A) 
Fixes PR9809.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 08:15:41 +00:00
Chris Lattner
bb0fff0cb4 clean up after Sean's r127646 patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130475 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 05:40:18 +00:00
Chris Lattner
d7d030a447 use the MachineInstrBuilder operator-> to simplify some code. 
There are probably more instances of this floating around.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 05:24:29 +00:00
Rafael Espindola
4892dff07e Last bit by bit compatibility patch to MCDwarf.cpp: If a FDE with no LSDA is 
assigned to a CIE that requires one, just output a 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 03:06:29 +00:00
Rafael Espindola
9099813bd5 Add an alternative implementation of CIE and FDE emission that outputs them 
in the same order as the one in CodeGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 02:42:28 +00:00
Eric Christopher
6344a5f146 Update comments and checks to match reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130464 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 00:07:20 +00:00
Eric Christopher
299bbb23a4 Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130463 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 00:03:10 +00:00
Eli Friedman
6e6014cfb3 Revert r130454; apparently this doesn't actually work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130462 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 23:55:14 +00:00
Eli Friedman
2f7fcd7198 Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register. 
rdar://problem/9338332 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130454 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 23:03:25 +00:00
Devang Patel
5367b23f76 Preserve line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 22:48:14 +00:00
Matt Beaumont-Gay
2a2116723f Coalesce some DEBUGs (moving an only-used-in-DEBUG variable's declaration into the DEBUG) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130448 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 22:26:05 +00:00
Benjamin Kramer
b0884f3f13 We require threse bits to be zero, too. 
This shouldn't happen in practice because the icmp would be a constant.
Add a check so we don't miscompile code if something goes wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130446 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 21:38:51 +00:00
Nick Lewycky
7a2ba2fbe4 Only read *predecessor once so as to fix a theoretical issue where it changes 
between two reads (threading).

Fix an off-by-one in the indirect counter table that I meant to revert after an
earlier experiment. Whoops!

Implement GCOV_PREFIX. Doesn't handle GCOV_PREFIX_STRIP yet.

Fix an off-by-one in string emission. Extra whoops!

Tolerate DISubprograms that have null Function*'s attached to them. I don't yet
understand what this means, but it happens when you have a global static with
a non-trivial constructor/destructor.

Fix a crash on switch statements with a single successor (default-only).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 21:35:49 +00:00
Daniel Dunbar
f86500bc4f Target/X86/MC: Add an option for disabling arith relaxation, for my own testing 
purposes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130438 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 21:23:31 +00:00
Rafael Espindola
a0057ca13f Add the getExprForFDESymbol method that responsible for computing the 
expressions used in the FDE to refer to symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130437 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 21:04:39 +00:00
Devang Patel
77562c74e5 Beautify debug info probe output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130435 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:46:18 +00:00
Ted Kremenek
5d86759e0f Add MemoryBuffer::getBufferKind() to report whether a memory buffer uses malloc'ed or mmap'ed memory. This is for performance analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130432 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:34:18 +00:00
Devang Patel
81ad03c020 Remove DbgDeclare only if all uses are converted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:32:02 +00:00