Jakob Stoklund Olesen
e17232ee4d
Dont emit 'DBG_VALUE %noreg, ...' to terminate user variable ranges.
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These ranges get completely jumbled by the post-ra scheduler, and it is not
really reasonable to expect it to make sense of them.
Instead, teach DwarfDebug to notice when user variables in registers are
clobbered, and terminate the ranges there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22 00:21:41 +00:00
Dan Gohman
b55d6b6a7e
Fix fast-isel address mode folding to avoid folding instructions
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outside of the current basic block. This fixes PR9500, rdar://9156159.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22 00:04:35 +00:00
Owen Anderson
ce3a1bac4b
Add support for Thumb interworking addresses for symbol offsets that get constant folded very early.
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This fixes SPASS with -integrated-as. <rdar://problem/9165399>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128037 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 23:13:43 +00:00
Devang Patel
ffcb717488
Try again to make this test darwin only.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128036 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 23:11:08 +00:00
Oscar Fuentes
1dbf6f5ab4
Build the new RuntimeDyld library.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 23:07:53 +00:00
Oscar Fuentes
89234e1e28
Removed workaround for unspecified build problem on MinGW.
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Tested that MinGW/MSYS builds fine without that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 22:53:51 +00:00
Jim Grosbach
6e56331ed9
Library-ize the dyld components of llvm-rtdyld.
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Move the dynamic linking functionality of the llvm-rtdyld program into an
ExecutionEngine support library. Update llvm-rtdyld to just load an object
file into memory, use the library to process it, then run the _main()
function, if one is found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 22:15:52 +00:00
Devang Patel
b99462117e
Simplify.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128030 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 22:04:45 +00:00
Nick Lewycky
1f7bc701b0
Fix INT_MIN gotcha pointed out by Eli Friedman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 21:40:32 +00:00
Devang Patel
d9ee5c8b28
Force x86_64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 21:37:52 +00:00
Bill Wendling
8a77af8eac
Call static functions so that they aren't left unused.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128020 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 21:08:27 +00:00
Devang Patel
a796fa547f
Enable this test only for Darwin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128017 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 20:32:56 +00:00
Ted Kremenek
b52fde4185
Provide a means for CrashRecovery clients to determine if code is currently running while crash recovery cleanups are being processed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128008 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 18:38:03 +00:00
Ted Kremenek
47f0f1856f
Allow a client to clear an IntrustiveRefCntPtr (deliberately leaking the referenced object).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128007 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 18:37:59 +00:00
Eric Christopher
0891d99b87
Fix unused param warning.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128005 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 18:06:32 +00:00
Eric Christopher
28ed90b95d
Grammar-o.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 18:06:21 +00:00
Jay Foad
b963e2320f
Fix typos in assert messages.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128002 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 16:38:22 +00:00
Anders Carlsson
b12caf31f4
More cleanups to the OptimizeEmptyGlobalCXXDtors GlobalOpt function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 14:54:40 +00:00
Bill Wendling
3ce1b7d514
A WIP commit of the InstAlias printing cleanup. This code will soon replace the
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code below it. Even though it looks very similar, it will match more precisely
and geneate better functions in the long run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 08:59:17 +00:00
Bill Wendling
4962e61431
Add the IAPrinter class.
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This is a helper class that will make it easier to say which InstAliases can be
printed and which cannot (because of ambiguity).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127990 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 08:40:31 +00:00
Bill Wendling
2cf6fc6857
* Add classes that support the "feature" information.
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* Move the code that emits the reg in reg class matching into its own function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 08:31:53 +00:00
Bill Wendling
a5c177e70a
We need to pass the TargetMachine object to the InstPrinter if we are printing
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the alias of an InstAlias instead of the thing being aliased. Because we need to
know the features that are valid for an InstAlias.
This is part of a work-in-progress.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127986 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 04:13:46 +00:00
Anders Carlsson
262a862787
As suggested by Nick Lewycky, ignore debugging intrinsics when trying to decide whether a destructor is empty or not.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 02:42:27 +00:00
Nick Lewycky
35ee1c921c
Fix comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 02:26:01 +00:00
Eli Friedman
ddfa02ba24
This README entry was fixed recently.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127982 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 01:33:03 +00:00
Evan Cheng
485fafc840
Re-apply r127953 with fixes: eliminate empty return block if it has no predecessors; update dominator tree if cfg is modified.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127981 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21 01:19:09 +00:00
Anders Carlsson
4f735ca185
Don't try to eliminate invokes to __cxa_atexit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127976 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 20:21:33 +00:00
Anders Carlsson
372ec6aa91
Don't segfault on mutual recursion, as pointed out by Frits.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127975 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 20:16:43 +00:00
Anders Carlsson
1f7c7ba380
Address comments from Frits van Bommel.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127974 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 19:51:13 +00:00
Jakob Stoklund Olesen
2dc455a366
Process all dead defs after rematerializing during splitting.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 19:46:23 +00:00
Rafael Espindola
7c18fa87a4
Write the section table and the section data in the same order that
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gun as does. This makes it a lot easier to compare the output of both
as the addresses are now a lot closer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127972 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 18:44:20 +00:00
Anders Carlsson
a201c4c2e6
Add an optimization to GlobalOpt that eliminates calls to __cxa_atexit, if the function passed is empty.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127970 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 17:59:11 +00:00
Benjamin Kramer
ed8f9589a8
Avoid initializing posix_spawn_file_actions_t if not used.
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- glibc falls back to fork+exec if a file actions object is present.
- On BSDs this saves a malloc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 15:52:24 +00:00
Argyrios Kyrtzidis
b518c25b3e
If a class inherits from RefCountedBaseVPTR allow all its subclasses to be used with IntrusiveRefCntPtr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127966 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 06:14:56 +00:00
Jakob Stoklund Olesen
682eed0da8
Also eliminate redundant spills downstream of inserted reloads.
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This can happen when multiple sibling registers are spilled after live range
splitting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127965 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 05:44:58 +00:00
Jakob Stoklund Olesen
01a46c82e0
Change an argument to a LiveInterval instead of a register number to save some redundant lookups.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 05:44:55 +00:00
Daniel Dunbar
579967a7ec
Disable test in a way that keeps lit happy.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20 00:04:51 +00:00
Jakob Stoklund Olesen
d2eff137ca
Replace a broken LiveInterval::MergeValueInAsValue() with something simpler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 23:02:49 +00:00
Jakob Stoklund Olesen
c1655e1a3c
Add debug output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 23:02:47 +00:00
Oscar Fuentes
f6474f69d3
Make llvm-config.in configuration more MSYS-friendly.
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Some of those POSIX <-> Windows command line conversions ended on
failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127958 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 22:52:33 +00:00
Oscar Fuentes
930df9abc5
CMake: store TARGET_TRIPLE on llvm-config.in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127957 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 22:52:25 +00:00
Oscar Fuentes
c12acc7fe7
Update CMake library dependencies.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 22:52:13 +00:00
Daniel Dunbar
7a90e04fc7
Revert r127953, "SimplifyCFG has stopped duplicating returns into predecessors
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to canonicalize IR", it broke a lot of things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127954 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 21:47:14 +00:00
Evan Cheng
ae16d6b972
SimplifyCFG has stopped duplicating returns into predecessors to canonicalize IR
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to have single return block (at least getting there) for optimizations. This
is general goodness but it would prevent some tailcall optimizations.
One specific case is code like this:
int f1(void);
int f2(void);
int f3(void);
int f4(void);
int f5(void);
int f6(void);
int foo(int x) {
switch(x) {
case 1: return f1();
case 2: return f2();
case 3: return f3();
case 4: return f4();
case 5: return f5();
case 6: return f6();
}
}
=>
LBB0_2: ## %sw.bb
callq _f1
popq %rbp
ret
LBB0_3: ## %sw.bb1
callq _f2
popq %rbp
ret
LBB0_4: ## %sw.bb3
callq _f3
popq %rbp
ret
This patch teaches codegenprep to duplicate returns when the return value
is a phi and where the phi operands are produced by tail calls followed by
an unconditional branch:
sw.bb7: ; preds = %entry
%call8 = tail call i32 @f5() nounwind
br label %return
sw.bb9: ; preds = %entry
%call10 = tail call i32 @f6() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call10, %sw.bb9 ], [ %call8, %sw.bb7 ], ... [ 0, %entry ]
ret i32 %retval.0
This allows codegen to generate better code like this:
LBB0_2: ## %sw.bb
jmp _f1 ## TAILCALL
LBB0_3: ## %sw.bb1
jmp _f2 ## TAILCALL
LBB0_4: ## %sw.bb3
jmp _f3 ## TAILCALL
rdar://9147433
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 17:17:39 +00:00
Evan Cheng
9344f97108
Minor code re-structuring.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127952 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 17:03:16 +00:00
Nadav Rotem
06cc324b9d
Add support for legalizing UINT_TO_FP of vectors on platforms which do
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not have native support for this operation (such as X86).
The legalized code uses two vector INT_TO_FP operations and is faster
than scalarizing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127951 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 13:09:10 +00:00
Eli Friedman
415247dac4
Update Passes.html, part 3: alphabetize descriptions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127948 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 05:02:14 +00:00
Eli Friedman
de8ec5b3af
Update Passes.html, part 2: cleanup a bit more dead docs, a few more
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description updates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127947 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 04:55:29 +00:00
Eli Friedman
e6ed15bccb
Update Passes.html, part 1: remove passes which were removed from the tree,
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update short descriptions to match those from the options, alphabetize table
of contents.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127946 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 04:47:52 +00:00
Stuart Hastings
9f24110280
Disable test to unbreak Linux. Radar 9156771.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127945 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-19 03:56:38 +00:00