oota-llvm.git
13 years agoadd a helper method to get the byval alignment of an argument.
Chris Lattner [Sun, 22 May 2011 23:57:23 +0000 (23:57 +0000)]
add a helper method to get the byval alignment of an argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131883 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoEliminate some temporary variables, and don't call getByValTypeAlignment
Chris Lattner [Sun, 22 May 2011 23:23:02 +0000 (23:23 +0000)]
Eliminate some temporary variables, and don't call getByValTypeAlignment
when we're just going to throw the result away.  No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131880 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd test from PR9164
Chris Lattner [Sun, 22 May 2011 22:35:34 +0000 (22:35 +0000)]
add test from PR9164

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131876 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotestcase for PR9378
Chris Lattner [Sun, 22 May 2011 22:32:53 +0000 (22:32 +0000)]
testcase for PR9378

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131875 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a missing alias to make us more bug compatible with gcc, PR9378
Chris Lattner [Sun, 22 May 2011 22:31:57 +0000 (22:31 +0000)]
add a missing alias to make us more bug compatible with gcc, PR9378

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131874 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agodocument thiscall, PR9101
Chris Lattner [Sun, 22 May 2011 22:28:47 +0000 (22:28 +0000)]
document thiscall, PR9101

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131873 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoimplement PR9315, constant folding exp2 in terms of pow (since hosts without
Chris Lattner [Sun, 22 May 2011 22:22:35 +0000 (22:22 +0000)]
implement PR9315, constant folding exp2 in terms of pow (since hosts without
C99 runtimes don't have exp2).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131872 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRTABI chapter 4.3.4 specifies __eabi_mem* calls. Specifically, __eabi_memset accepts...
Renato Golin [Sun, 22 May 2011 21:41:23 +0000 (21:41 +0000)]
RTABI chapter 4.3.4 specifies __eabi_mem* calls. Specifically, __eabi_memset accepts parameters (ptr, size, value) in a different order than GNU's memset (ptr, value, size), therefore the special lowering in AAPCS mode. Implementation by Evzen Muller.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131868 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd methods to parse the SEH directives to the COFFAsmParser. Implement some
Charles Davis [Sun, 22 May 2011 21:12:15 +0000 (21:12 +0000)]
Add methods to parse the SEH directives to the COFFAsmParser. Implement some
of them, particularly the ones that don't take arguments. Also implement
.seh_proc and .seh_handler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131866 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a note.
Chris Lattner [Sun, 22 May 2011 18:28:46 +0000 (18:28 +0000)]
add a note.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131863 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd some random notes.
Chris Lattner [Sun, 22 May 2011 18:26:48 +0000 (18:26 +0000)]
add some random notes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131862 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach ValueTracking about x86 crc32 intrinsics.
Evan Cheng [Sun, 22 May 2011 18:25:30 +0000 (18:25 +0000)]
Teach ValueTracking about x86 crc32 intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131861 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCarve out a place in instcombine to put transformations which work knowing that their
Chris Lattner [Sun, 22 May 2011 18:18:41 +0000 (18:18 +0000)]
Carve out a place in instcombine to put transformations which work knowing that their
result is non-zero.  Implement an example optimization (PR9814), which allows us to
transform:
  A / ((1 << B) >>u 2)
into:
  A >>u (B-2)

which we compile into:

_divu3:                                 ## @divu3
leal -2(%rsi), %ecx
shrl %cl, %edi
movl %edi, %eax
ret

instead of:

_divu3:                                 ## @divu3
movb %sil, %cl
movl $1, %esi
shll %cl, %esi
shrl $2, %esi
movl %edi, %eax
xorl %edx, %edx
divl %esi, %eax
ret

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131860 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix Bug 9386 - ARM disassembler failed to disassemble conditional bx
Johnny Chen [Sun, 22 May 2011 17:51:04 +0000 (17:51 +0000)]
Fix Bug 9386 - ARM disassembler failed to disassemble conditional bx

Modified the patch to .td file supplied by Jyun-Yan You.  Add a test case and
modified ARMDisassemblerCore.cpp a little bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131859 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix PR9815: I was trying to get out of "generating code and then
Chris Lattner [Sun, 22 May 2011 17:39:56 +0000 (17:39 +0000)]
Fix PR9815: I was trying to get out of "generating code and then
failing to form a memset, then having to delete it" but my approximation
isn't safe for self recurrent loops.  Instead of doign a hack, just
do it the right way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131858 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a parameter to ConstantFoldTerminator() that callers can use to ask it to also...
Frits van Bommel [Sun, 22 May 2011 16:24:18 +0000 (16:24 +0000)]
Add a parameter to ConstantFoldTerminator() that callers can use to ask it to also clean up the condition of any conditional terminator it folds to be unconditional, if that turns the condition into dead code. This just means it calls RecursivelyDeleteTriviallyDeadInstructions() in strategic spots. It defaults to the old behavior.

I also changed -simplifycfg, -jump-threading and -codegenprepare to use this to produce slightly better code without any extra cleanup passes (AFAICT this was the only place in -simplifycfg where now-dead conditions of replaced terminators weren't being cleaned up). The only other user of this function is -sccp, but I didn't read that thoroughly enough to figure out whether it might be holding pointers to instructions that could be deleted by this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131855 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoanother typo
Chris Lattner [Sun, 22 May 2011 15:44:02 +0000 (15:44 +0000)]
another typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131854 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix comment typo
Chris Lattner [Sun, 22 May 2011 15:34:37 +0000 (15:34 +0000)]
fix comment typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131853 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoI missed a checking with my GVN change.
Chris Lattner [Sun, 22 May 2011 07:20:02 +0000 (07:20 +0000)]
I missed a checking with my GVN change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131851 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoinsertvalue takes a variable number of arguments, document this, fixing PR9935.
Chris Lattner [Sun, 22 May 2011 07:18:08 +0000 (07:18 +0000)]
insertvalue takes a variable number of arguments, document this, fixing PR9935.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131850 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix PR9856, an incorrectly conservative assertion: a global can be
Chris Lattner [Sun, 22 May 2011 07:15:13 +0000 (07:15 +0000)]
fix PR9856, an incorrectly conservative assertion: a global can be
"stored once" even if its address is compared.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131849 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix PR9841 by having GVN not process dead loads. This was
Chris Lattner [Sun, 22 May 2011 07:03:34 +0000 (07:03 +0000)]
fix PR9841 by having GVN not process dead loads.  This was
causing it to get into infinite loops when it would widen a
load (which can necessarily leave around dead loads).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131847 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove a trivial test, make some other tests less trivial.
Chris Lattner [Sun, 22 May 2011 07:02:43 +0000 (07:02 +0000)]
remove a trivial test, make some other tests less trivial.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131846 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomake this test less trivial.
Chris Lattner [Sun, 22 May 2011 06:59:33 +0000 (06:59 +0000)]
make this test less trivial.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131845 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoinitialize and finalize function passes, pointed out by Cameron.
Chris Lattner [Sun, 22 May 2011 06:44:19 +0000 (06:44 +0000)]
initialize and finalize function passes, pointed out by Cameron.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131843 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix a bug for hosts without round, PR8893.
Chris Lattner [Sun, 22 May 2011 06:03:53 +0000 (06:03 +0000)]
fix a bug for hosts without round, PR8893.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131842 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomove PR9408 here.
Chris Lattner [Sun, 22 May 2011 05:45:06 +0000 (05:45 +0000)]
move PR9408 here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131841 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCommit test change, forgotten as part of r131838.
Nick Lewycky [Sun, 22 May 2011 05:31:47 +0000 (05:31 +0000)]
Commit test change, forgotten as part of r131838.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131839 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach the inliner to emit llvm.lifetime.start/end, to scope the local variables
Nick Lewycky [Sun, 22 May 2011 05:22:10 +0000 (05:22 +0000)]
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables
of the inlinee to the code representing the original function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoswitch to using a smallvector to avoid allocations for most normal size instructions.
Chris Lattner [Sun, 22 May 2011 04:53:24 +0000 (04:53 +0000)]
switch to using a smallvector to avoid allocations for most normal size instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131837 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotidy some things up.
Chris Lattner [Sun, 22 May 2011 04:52:24 +0000 (04:52 +0000)]
tidy some things up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131836 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix some minor typos and grammar.
Chris Lattner [Sun, 22 May 2011 04:44:48 +0000 (04:44 +0000)]
Fix some minor typos and grammar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131835 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoImplement emission of all Win64 exception tables. Make the COFF streamer emit
Charles Davis [Sun, 22 May 2011 04:15:07 +0000 (04:15 +0000)]
Implement emission of all Win64 exception tables. Make the COFF streamer emit
these tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131833 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake the COFF streamer emit unwind info when processing a .seh_handlerdata
Charles Davis [Sun, 22 May 2011 03:01:05 +0000 (03:01 +0000)]
Make the COFF streamer emit unwind info when processing a .seh_handlerdata
directive.

Implement emission of Win64 EH unwind info.

Pull in <cassert> in MCWin64EH.h so it can use the assert() macro.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131832 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix grammar in test.
Nick Lewycky [Sun, 22 May 2011 01:16:00 +0000 (01:16 +0000)]
Fix grammar in test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131831 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDon't allow unaligned offsets and sizes in the Win64 EH directives.
Charles Davis [Sun, 22 May 2011 00:56:20 +0000 (00:56 +0000)]
Don't allow unaligned offsets and sizes in the Win64 EH directives.
Also, fix threshold for 'Big' register saves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131830 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorandom comment cleanups.
Chris Lattner [Sun, 22 May 2011 00:50:53 +0000 (00:50 +0000)]
random comment cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131829 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix a file system case sensitivity issue.
Chris Lattner [Sun, 22 May 2011 00:37:51 +0000 (00:37 +0000)]
fix a file system case sensitivity issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131828 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove StandardPasses, it has been replaced with PassManagerBuilder
Chris Lattner [Sun, 22 May 2011 00:30:45 +0000 (00:30 +0000)]
remove StandardPasses, it has been replaced with PassManagerBuilder

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131827 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoswitch opt to using PassManagerBuilder.h
Chris Lattner [Sun, 22 May 2011 00:21:33 +0000 (00:21 +0000)]
switch opt to using PassManagerBuilder.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131824 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoswitch llvm-ld. It has a terrible mechanism that people can add extra
Chris Lattner [Sun, 22 May 2011 00:21:15 +0000 (00:21 +0000)]
switch llvm-ld.  It has a terrible mechanism that people can add extra
passes, it should be converted to use extension points.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131823 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoswitch bugpoint and liblto to PassManagerBuilder.
Chris Lattner [Sun, 22 May 2011 00:20:07 +0000 (00:20 +0000)]
switch bugpoint and liblto to PassManagerBuilder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131821 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd support for LTO passes.
Chris Lattner [Sun, 22 May 2011 00:14:20 +0000 (00:14 +0000)]
add support for LTO passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131820 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoeliminate dependence on StandardPasses.h. The code generator's pass pipeline
Chris Lattner [Sun, 22 May 2011 00:13:44 +0000 (00:13 +0000)]
eliminate dependence on StandardPasses.h.  The code generator's pass pipeline
should eventually convert to PMBuilder, but I don't plan to do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131819 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInclude DataTypes.h from this header to get the uint*_t types.
Charles Davis [Sun, 22 May 2011 00:05:26 +0000 (00:05 +0000)]
Include DataTypes.h from this header to get the uint*_t types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131817 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAllow access to the .pdata and .xdata sections through the TargetAsmInfo
Charles Davis [Sun, 22 May 2011 00:03:24 +0000 (00:03 +0000)]
Allow access to the .pdata and .xdata sections through the TargetAsmInfo
class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131816 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd an extension point mechanism that allow plugins to add stuff to
Chris Lattner [Sat, 21 May 2011 23:50:37 +0000 (23:50 +0000)]
add an extension point mechanism that allow plugins to add stuff to
the pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131814 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans to
Nick Lewycky [Sat, 21 May 2011 23:14:36 +0000 (23:14 +0000)]
Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans to
use these soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131812 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert commit 131781, to see if it fixes the x86-64 dragonegg buildbot.
Duncan Sands [Sat, 21 May 2011 20:54:46 +0000 (20:54 +0000)]
Revert commit 131781, to see if it fixes the x86-64 dragonegg buildbot.
Original log message:
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131809 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a new PassManagerBuilder class to replace StandardPasses.h
Chris Lattner [Sat, 21 May 2011 20:39:42 +0000 (20:39 +0000)]
add a new PassManagerBuilder class to replace StandardPasses.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131807 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a copy ctor to TargetLibraryInfo.
Chris Lattner [Sat, 21 May 2011 20:09:13 +0000 (20:09 +0000)]
add a copy ctor to TargetLibraryInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131806 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR7952: Make isa<> use the same logic as cast<>, so that they both work
Eli Friedman [Sat, 21 May 2011 19:13:10 +0000 (19:13 +0000)]
PR7952: Make isa<> use the same logic as cast<>, so that they both work
consistently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131803 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoX86: smulo -> add is now done target-independently in DAGCombiner, remove the patterns.
Benjamin Kramer [Sat, 21 May 2011 18:32:01 +0000 (18:32 +0000)]
X86: smulo -> add is now done target-independently in DAGCombiner, remove the patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131801 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoImplement mulo x, 2 -> addo x, x in DAGCombiner.
Benjamin Kramer [Sat, 21 May 2011 18:31:55 +0000 (18:31 +0000)]
Implement mulo x, 2 -> addo x, x in DAGCombiner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131800 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMerge and FileCheckize test cases.
Benjamin Kramer [Sat, 21 May 2011 18:31:48 +0000 (18:31 +0000)]
Merge and FileCheckize test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131799 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert "InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow...
Benjamin Kramer [Sat, 21 May 2011 18:31:42 +0000 (18:31 +0000)]
Revert "InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)"

It's better to do this in codegen, mul.with.overflow(X, 2) is more canonical because it has only one use on "X".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131798 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDon't allow .seh_handler and .seh_handlerdata directives inside chained
Charles Davis [Sat, 21 May 2011 17:36:25 +0000 (17:36 +0000)]
Don't allow .seh_handler and .seh_handlerdata directives inside chained
unwind areas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131795 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoA handler for a function in the Win64 EH scheme can be both an unwind handler
Charles Davis [Sat, 21 May 2011 15:57:49 +0000 (15:57 +0000)]
A handler for a function in the Win64 EH scheme can be both an unwind handler
and an exception handler. Handle that case.

Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be
needed later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131791 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)
Benjamin Kramer [Sat, 21 May 2011 09:22:06 +0000 (09:22 +0000)]
InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131789 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix PR9978 by adding RIP to GR64_TC so it can be used as an address in PIC code. It
Cameron Zwarich [Sat, 21 May 2011 04:13:49 +0000 (04:13 +0000)]
Fix PR9978 by adding RIP to GR64_TC so it can be used as an address in PIC code. It
is already in GR64 for the same reasons. Since it isn't allocatable it can't cause
any problems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131787 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse the correct register to access stack frame objects.
Akira Hatanaka [Sat, 21 May 2011 03:01:03 +0000 (03:01 +0000)]
Use the correct register to access stack frame objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131785 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInsert instructions that copy $sp to or from $fp at the right locations.
Akira Hatanaka [Sat, 21 May 2011 02:29:26 +0000 (02:29 +0000)]
Insert instructions that copy $sp to or from $fp at the right locations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131784 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWhen BasicAA can determine that two pointers have the same base but
Dan Gohman [Sat, 21 May 2011 01:05:08 +0000 (01:05 +0000)]
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131781 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoHave Program::Wait return -2 for crashed and timeouts instead of embedding
Andrew Trick [Sat, 21 May 2011 00:56:46 +0000 (00:56 +0000)]
Have Program::Wait return -2 for crashed and timeouts instead of embedding
info in the error message. Per Dan's request.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131780 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSet the "LastFrameInst" field when streaming a .seh_setframe directive. This
Charles Davis [Sat, 21 May 2011 00:09:04 +0000 (00:09 +0000)]
Set the "LastFrameInst" field when streaming a .seh_setframe directive. This
is needed for an upcoming patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131772 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix PR9962 by properly constraining register classes in RemoveCopyByCommutingDef...
Cameron Zwarich [Fri, 20 May 2011 23:25:36 +0000 (23:25 +0000)]
Fix PR9962 by properly constraining register classes in RemoveCopyByCommutingDef(). This
actually fixes most of the VerifyCoalescing failures in test-suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131768 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoChange the order fixed objects are created in MipsTargetLowering::LowerCall in
Akira Hatanaka [Fri, 20 May 2011 23:22:14 +0000 (23:22 +0000)]
Change the order fixed objects are created in MipsTargetLowering::LowerCall in
preparation for reversing StackDirection.

Fixed objects are created in the following order:
 1. Incoming arguments passed on stack.
 2. va_arg objects (include both arguments that are passed in registers and
    pointer to the location of the first va_arg argument).
 3. $gp restore slot.
 4. Outgoing arguments passed on stack.
 5. Pointer to alloca'd space.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131767 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix typo. When will I learn?
Charles Davis [Fri, 20 May 2011 22:23:34 +0000 (22:23 +0000)]
Fix typo. When will I learn?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131765 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd fast-isel support for byval calls on x86.
Eli Friedman [Fri, 20 May 2011 22:21:04 +0000 (22:21 +0000)]
Add fast-isel support for byval calls on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131764 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd .pdata and .xdata sections to the COFF TLOF implementation.
Charles Davis [Fri, 20 May 2011 22:13:55 +0000 (22:13 +0000)]
Add .pdata and .xdata sections to the COFF TLOF implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131763 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNo reason not to allow defining the CFA as a reg w/ offset zero.
Jim Grosbach [Fri, 20 May 2011 21:50:09 +0000 (21:50 +0000)]
No reason not to allow defining the CFA as a reg w/ offset zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131760 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIn CC_MipsO32, allocate a stack space regardless of whether the argument is
Akira Hatanaka [Fri, 20 May 2011 21:39:54 +0000 (21:39 +0000)]
In CC_MipsO32, allocate a stack space regardless of whether the argument is
passed in register or on the stack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131758 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix typo.
Jim Grosbach [Fri, 20 May 2011 21:35:39 +0000 (21:35 +0000)]
Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131757 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for frame info use of the .cfi_def_cfa directive.
Jim Grosbach [Fri, 20 May 2011 21:23:17 +0000 (21:23 +0000)]
Add support for frame info use of the .cfi_def_cfa directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131756 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd missing leading \t when printing .cfi_def_cfa in the asmstreamer.
Jim Grosbach [Fri, 20 May 2011 21:22:37 +0000 (21:22 +0000)]
Add missing leading \t when printing .cfi_def_cfa in the asmstreamer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131755 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDefine functions that get/set maximum call frame size.
Akira Hatanaka [Fri, 20 May 2011 20:11:17 +0000 (20:11 +0000)]
Define functions that get/set maximum call frame size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131752 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadds some attributes to attribute section when cpu is "xscale"
Rafael Espindola [Fri, 20 May 2011 20:10:34 +0000 (20:10 +0000)]
adds some attributes to attribute section when cpu is "xscale"
(this is what used in Android NDK, when architecture is ARMv5)

patch by Koan-Sin Tan

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131751 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofixes target address tBL and tBLX and sets relocation type
Rafael Espindola [Fri, 20 May 2011 20:01:01 +0000 (20:01 +0000)]
fixes target address tBL and tBLX and sets relocation type
of tBL/tBLX to R_ARM_THM_CALL (ARM ELF 4.7.1.6)

Patch by koan-sin tan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131748 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd asserts in StringRef to make sure we avoid undefined behavior:
Argyrios Kyrtzidis [Fri, 20 May 2011 19:24:12 +0000 (19:24 +0000)]
Add asserts in StringRef to make sure we avoid undefined behavior:

-strlen should not be called with NULL. Also guarantee that StringRef's Length is 0 if Data is NULL.
-memcmp should not be called with NULL (even if size is 0)

Patch by Matthieu Monrocq!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131747 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRe-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends.
Stuart Hastings [Fri, 20 May 2011 19:04:40 +0000 (19:04 +0000)]
Re-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends.
rdar://problem/8614450

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131746 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake $fp and $ra callee-saved registers and let PrologEpilogInserter handle
Akira Hatanaka [Fri, 20 May 2011 18:39:33 +0000 (18:39 +0000)]
Make $fp and $ra callee-saved registers and let PrologEpilogInserter handle
saving and restoring them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131745 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoindvars: Prototyping Sign/ZeroExtend elimination without canonical IVs.
Andrew Trick [Fri, 20 May 2011 18:25:42 +0000 (18:25 +0000)]
indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs.

No functionality enabled by default. Use -disable-iv-rewrite.
Extended IVUsers to keep track of the phi that represents the users' IV.
Added the WidenIV transform to replace a narrow IV with a wide IV
by doing a one-for-one replacement of IV users instead of expanding the
SCEV expressions. [sz]exts are removed and truncs are inserted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131744 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNow that they're implemented, make the Win64 EH MCAsmStreamer methods call
Charles Davis [Fri, 20 May 2011 18:19:22 +0000 (18:19 +0000)]
Now that they're implemented, make the Win64 EH MCAsmStreamer methods call
super.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131743 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFixed regression due to commit 131709, which disables vararg tail call optimizations...
Chad Rosier [Fri, 20 May 2011 17:49:39 +0000 (17:49 +0000)]
Fixed regression due to commit 131709, which disables vararg tail call optimizations on Win64

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131740 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert accidental commit.
Evan Cheng [Fri, 20 May 2011 17:38:48 +0000 (17:38 +0000)]
Revert accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131739 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago"Implement" the HandlerData Win64 EH method in the base MCStreamer.
Charles Davis [Fri, 20 May 2011 16:06:22 +0000 (16:06 +0000)]
"Implement" the HandlerData Win64 EH method in the base MCStreamer.

There's really nothing to implement. All this really does is swap to a
pseudo-section that later gets written to the unwind info struct. That
needs to be implemented in the object streamers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131734 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRename the "sandybridge" subtarget to "corei7-avx", for GCC compatibility.
Benjamin Kramer [Fri, 20 May 2011 15:11:26 +0000 (15:11 +0000)]
Rename the "sandybridge" subtarget to "corei7-avx", for GCC compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131730 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove noisy semicolons.
Benjamin Kramer [Fri, 20 May 2011 09:20:25 +0000 (09:20 +0000)]
Remove noisy semicolons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131724 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix PR9960 by teaching SimpleRegisterCoalescing::AdjustCopiesBackFrom() to preserve
Cameron Zwarich [Fri, 20 May 2011 03:54:04 +0000 (03:54 +0000)]
Fix PR9960 by teaching SimpleRegisterCoalescing::AdjustCopiesBackFrom() to preserve
the phikill flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131717 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoindvars: minor cleanup in preparation for sign/zero extend elimination.
Andrew Trick [Fri, 20 May 2011 03:37:48 +0000 (03:37 +0000)]
indvars: minor cleanup in preparation for sign/zero extend elimination.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131716 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix bug in which nodes that write to argument registers do not get glued with the...
Akira Hatanaka [Fri, 20 May 2011 02:30:51 +0000 (02:30 +0000)]
Fix bug in which nodes that write to argument registers do not get glued with the JALR node. Patch by Sasa Stankovic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131714 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove code that creates unnecessary frame objects.
Akira Hatanaka [Fri, 20 May 2011 01:45:06 +0000 (01:45 +0000)]
Remove code that creates unnecessary frame objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131711 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDefine variables and functions in MipsFunctionInfo.
Akira Hatanaka [Fri, 20 May 2011 01:17:58 +0000 (01:17 +0000)]
Define variables and functions in MipsFunctionInfo.

This is the first of a series of patches that attempt to simplify handling of
stack frame objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131710 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDon't attempt to tail call optimize for Win64.
Chad Rosier [Fri, 20 May 2011 00:59:28 +0000 (00:59 +0000)]
Don't attempt to tail call optimize for Win64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131709 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r131664 and fix it in instcombine instead. rdar://9467055
Evan Cheng [Fri, 20 May 2011 00:54:37 +0000 (00:54 +0000)]
Revert r131664 and fix it in instcombine instead. rdar://9467055

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131708 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix PR9955 by only attaching load memory operands to load instructions and
Cameron Zwarich [Thu, 19 May 2011 23:44:34 +0000 (23:44 +0000)]
Fix PR9955 by only attaching load memory operands to load instructions and
similarly for stores. Now "make check" passes with the MachineVerifier forced
on with the VerifyCoalescing option!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131705 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd fast-isel support for zeroext and signext ret instructions on x86.
Eli Friedman [Thu, 19 May 2011 22:16:13 +0000 (22:16 +0000)]
Add fast-isel support for zeroext and signext ret instructions on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131689 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoLooks like OS X assemblers (including MC) don't like
Rafael Espindola [Thu, 19 May 2011 22:05:56 +0000 (22:05 +0000)]
Looks like OS X assemblers (including MC) don't like

foo:
bar = foo
.quad bar

Avoid producing it. Fixes PR9951.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131687 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMisc code refactorings:
Rafael Espindola [Thu, 19 May 2011 21:40:34 +0000 (21:40 +0000)]
Misc code refactorings:
* Remove unnecessary arguments now that ForceExpAbs is a method.
* Use ForceExpAbs in EmitAbsValue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131683 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoOddly people want to use the 'r' constraint for fp constants on x86.
Eric Christopher [Thu, 19 May 2011 21:33:47 +0000 (21:33 +0000)]
Oddly people want to use the 'r' constraint for fp constants on x86.

Fixes rdar://9218925
Fixes PR9601

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131682 91177308-0d34-0410-b5e6-96231b3b80d8