OSDN Git Service
Akira Hatanaka [Wed, 25 May 2011 18:08:32 +0000 (18:08 +0000)]
Update MaxCallFrameSize regardless of the relocation model selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132070
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Akira Hatanaka [Wed, 25 May 2011 17:52:48 +0000 (17:52 +0000)]
Change initial value of MaxCallFrameSize. MipsFI::getMaxCallFrameSize() should
return 0 if there are no function calls made.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132065
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Akira Hatanaka [Wed, 25 May 2011 17:32:06 +0000 (17:32 +0000)]
Coding style fixes. Added comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132063
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Francois Pichet [Wed, 25 May 2011 17:02:53 +0000 (17:02 +0000)]
Remove unused OpcodeMask enumerator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132062
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Francois Pichet [Wed, 25 May 2011 16:32:33 +0000 (16:32 +0000)]
Fix 3 MSVC warnings:
'void (__cdecl *)()' differs in parameter lists from 'void (__cdecl *)(void)'
atexit really expects a "void f(void)" function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132061
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Francois Pichet [Wed, 25 May 2011 15:58:10 +0000 (15:58 +0000)]
Fix MSVC warning: "is out of range for enum constant"
MSVC doesn't support 64 bit enum.
OpcodeMask is not used anywhere in the code base.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132057
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Rafael Espindola [Wed, 25 May 2011 12:54:08 +0000 (12:54 +0000)]
Fix some issues Duncan found in the previous commit.
I kept the reference to the ABI since that is the common case. The
-fno-asynchronous-unwind-tables option is a user controlled way of breaking
the ABI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132053
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Frits van Bommel [Wed, 25 May 2011 06:32:23 +0000 (06:32 +0000)]
Fix warning in the CMake build about redefining LLVM_PATH_XDOT_PY by making sure both definitions are identical. This used to produce warnings like
In file included from .../llvm/trunk/tools/lto/LTOCodeGenerator.cpp:45:
In file included from .../llvm/trunk/include/llvm/Support/system_error.h:225:
.../include/llvm/Config/config.h:591:9: warning: 'LLVM_PATH_XDOT_PY' macro redefined
#define LLVM_PATH_XDOT_PY ".../bin/xdot.py"
^
.../include/llvm/Config/llvm-config.h:98:9: note: previous definition is here
#define LLVM_PATH_XDOT_PY ""
^
1 warning generated.
(Paths edited for clarity)
Note: This only affected people who had xdot.py installed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132050
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Argyrios Kyrtzidis [Wed, 25 May 2011 05:04:22 +0000 (05:04 +0000)]
[tablegen] A couple of changes to ClangDiagnosticEmmitter.
-Emit an empty warning option as string ("") instead of 0.
-For diagnostic names also emit the size of the string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132046
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Charles Davis [Wed, 25 May 2011 04:51:25 +0000 (04:51 +0000)]
Add tests for .seh_savereg and .seh_savexmm parsing. Once again, fix the
buggy methods that parse these directives.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132045
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Cameron Zwarich [Wed, 25 May 2011 04:48:17 +0000 (04:48 +0000)]
Restore an accidentally removed comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132044
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Cameron Zwarich [Wed, 25 May 2011 04:45:29 +0000 (04:45 +0000)]
Move some code to a more logical place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132043
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Cameron Zwarich [Wed, 25 May 2011 04:45:27 +0000 (04:45 +0000)]
Make tTAILJMPr/tTAILJMPrND emit a tBX without a preceding MOV of PC to LR. This
fixes <rdar://problem/
9495913>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132042
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Cameron Zwarich [Wed, 25 May 2011 04:45:23 +0000 (04:45 +0000)]
Change the order of tBX's operands so that the predicate operands come after the
target register, matching BX. I filed this bug because I was confused at first:
PR10007 - ARM branch instructions have inconsistent predicate operand placement
<http://llvm.org/bugs/show_bug.cgi?id=10007>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132041
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Cameron Zwarich [Wed, 25 May 2011 04:45:20 +0000 (04:45 +0000)]
Rename tBX_Rm to tBX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132040
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Cameron Zwarich [Wed, 25 May 2011 04:45:14 +0000 (04:45 +0000)]
Rename the existing tBX/tBXr9 instructions to tBX_CALL/tBXr9_CALL to better
reflect their actual meaning and match the ARM instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132039
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Andrew Trick [Wed, 25 May 2011 04:42:22 +0000 (04:42 +0000)]
indvars: fixed IV cloning in -disable-iv-rewrite mode with associated
cleanup and overdue test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132038
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Charles Davis [Wed, 25 May 2011 04:08:15 +0000 (04:08 +0000)]
Add a test for .seh_pushframe parsing. Fix the bug exposed by it (and another
one I found by inspection).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132037
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Rafael Espindola [Wed, 25 May 2011 03:44:17 +0000 (03:44 +0000)]
Replace the -unwind-tables option with a per function flag. This is more
LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033
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Akira Hatanaka [Wed, 25 May 2011 02:20:00 +0000 (02:20 +0000)]
Fix lowering of DYNAMIC_STACKALLOC nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132030
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Charles Davis [Wed, 25 May 2011 01:33:42 +0000 (01:33 +0000)]
Add a test for the .seh_handler directive. Fix problems with the parsing
method exposed by the test. While we're at it, simplify the .seh_proc
parsing method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132028
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Bruno Cardoso Lopes [Wed, 25 May 2011 00:35:03 +0000 (00:35 +0000)]
Fix PR9762
Enable the parsing of the operand "cpsr_all" for the ARM msr instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132026
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Evan Cheng [Tue, 24 May 2011 23:47:50 +0000 (23:47 +0000)]
Forgot dyn_cast check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132025
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Eric Christopher [Tue, 24 May 2011 23:27:13 +0000 (23:27 +0000)]
Implement the arm 'L' asm modifier.
Part of rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132024
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Eric Christopher [Tue, 24 May 2011 23:15:43 +0000 (23:15 +0000)]
Implement the immediate part of the 'B' modifier.
Part of rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023
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Evan Cheng [Tue, 24 May 2011 23:12:57 +0000 (23:12 +0000)]
Fix LoopUnswitch bug. RewriteLoopBodyWithConditionConstant can delete a dead
case of a switch instruction. Back off this optimization when this would
eliminate all of the predecessors to the latch.
Sorry, I am unable to reduce a reasonably sized test case.
rdar://
9486843
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132022
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Eric Christopher [Tue, 24 May 2011 22:27:43 +0000 (22:27 +0000)]
Add more unimplemented asm modifiers and some documentation of what they
do.
Part of rdar://
9119939.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132015
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Eric Christopher [Tue, 24 May 2011 22:10:34 +0000 (22:10 +0000)]
Add support for the arm 'y' asm modifier.
Fixes part of rdar://
9444657
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132011
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Dan Gohman [Tue, 24 May 2011 22:01:32 +0000 (22:01 +0000)]
Update documentation: -basicaa does chaining these days.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132010
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Akira Hatanaka [Tue, 24 May 2011 21:28:18 +0000 (21:28 +0000)]
Test case for r132003.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132005
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Charles Davis [Tue, 24 May 2011 21:22:53 +0000 (21:22 +0000)]
Test basic SEH directive-parsing functionality. Fix a latent bug exposed by
this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132004
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Akira Hatanaka [Tue, 24 May 2011 21:22:21 +0000 (21:22 +0000)]
Enable printing of immediates that do not fit in 16-bit. .cprestore can have
offsets that are larger than 0x10000.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132003
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Eli Friedman [Tue, 24 May 2011 20:22:24 +0000 (20:22 +0000)]
Change condition for determining whether a function is small for inlining metrics so that very long functions
with few basic blocks are not re-analyzed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131994
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Charles Davis [Tue, 24 May 2011 20:06:30 +0000 (20:06 +0000)]
Implement the rest of the SEH directive-parsing methods in the COFFAsmParser.
Add a size alignment check to the .seh_stackalloc directive parser. Add a
more descriptive error message to the .seh_handler directive parser.
Add methods to the TargetAsmInfo struct in support of all this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131992
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Akira Hatanaka [Tue, 24 May 2011 19:37:15 +0000 (19:37 +0000)]
Fix test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131988
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Akira Hatanaka [Tue, 24 May 2011 19:29:37 +0000 (19:29 +0000)]
Revision 131986 test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131987
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Akira Hatanaka [Tue, 24 May 2011 19:18:33 +0000 (19:18 +0000)]
Implement byval structure argument passing. The following limitations or
deficiencies exist:
- Works only if ABI is o32.
- Zero-sized structures cannot be passed.
- There is a lot of redundancy in generated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131986
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Eli Friedman [Tue, 24 May 2011 18:52:07 +0000 (18:52 +0000)]
Make instcombine O(N) instead of O(N^2) in code where the same simplifiable constant is used many times.
Part of rdar://
9471075.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131979
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Devang Patel [Tue, 24 May 2011 18:27:52 +0000 (18:27 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131974
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Cameron Zwarich [Tue, 24 May 2011 18:26:09 +0000 (18:26 +0000)]
Fix "make check" in Release by removing debug-only options from an 'opt' invocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131972
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Dan Gohman [Tue, 24 May 2011 18:24:08 +0000 (18:24 +0000)]
Make DecomposeGEPExpression check SimplifyInstruction only
after checking for a GEP, so that it matches what GetUnderlyingObject
does. This fixes an obscure bug turned up by bugpoint in the testcase
for PR9931.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131971
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Charles Davis [Tue, 24 May 2011 16:57:53 +0000 (16:57 +0000)]
Add a method to TargetRegisterInfo to get the register number that the Win64 EH
scheme uses internally. Implement it for x86 (the only architecture that LLVM
supports for which this matters right now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131969
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Cameron Zwarich [Tue, 24 May 2011 06:00:08 +0000 (06:00 +0000)]
Clean up the lazy initialization of DIBuilder a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131956
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Jakob Stoklund Olesen [Tue, 24 May 2011 03:20:56 +0000 (03:20 +0000)]
Work around code generation bug in Visual Studio 2010.
See http://llvm.org/pr9976 for details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131954
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Cameron Zwarich [Tue, 24 May 2011 03:10:43 +0000 (03:10 +0000)]
Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values when
promoting allocas to SSA variables. Fixes <rdar://problem/
9479036>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953
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Rafael Espindola [Tue, 24 May 2011 03:10:31 +0000 (03:10 +0000)]
Explain FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131952
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Rafael Espindola [Tue, 24 May 2011 02:50:20 +0000 (02:50 +0000)]
Fix the defaults for .eh_frame. We were marking it as writable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131951
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Evan Cheng [Tue, 24 May 2011 01:48:22 +0000 (01:48 +0000)]
- Teach SelectionDAG::isKnownNeverZero to return true (op x, c) when c is
non-zero.
- Teach X86 cmov optimization to eliminate the cmov from ctlz, cttz extension
when the source of X86ISD::BSR / X86ISD::BSF is proven to be non-zero.
rdar://
9490949
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131948
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Evan Cheng [Tue, 24 May 2011 01:43:38 +0000 (01:43 +0000)]
Remove dead option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131947
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Andrew Trick [Tue, 24 May 2011 01:02:49 +0000 (01:02 +0000)]
FileCheck-ize a couple of IV unit tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131946
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Rafael Espindola [Tue, 24 May 2011 00:58:06 +0000 (00:58 +0000)]
Fix cmake dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131943
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Akira Hatanaka [Tue, 24 May 2011 00:23:52 +0000 (00:23 +0000)]
Simplify offset calculation of stack frame objects for $gp restore location and
variable arguments in LowerCall and LowerFormalArguments. This should also fix
the bug in which handling of variable arguments is incorrect when the front-end
optimizes away unused fixed arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131942
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Devang Patel [Tue, 24 May 2011 00:22:25 +0000 (00:22 +0000)]
Fix debug info for blocks' variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131940
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Andrew Trick [Tue, 24 May 2011 00:17:53 +0000 (00:17 +0000)]
Test case for r130799 - indvars: Added canExpandBackEdgeTakenCount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131939
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Devang Patel [Mon, 23 May 2011 23:16:14 +0000 (23:16 +0000)]
Remove unnecessary comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131936
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Akira Hatanaka [Mon, 23 May 2011 22:23:58 +0000 (22:23 +0000)]
Expand f64 FPOW.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131928
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Akira Hatanaka [Mon, 23 May 2011 22:16:43 +0000 (22:16 +0000)]
Add pattern for double-to-integer conversion. Patch by Sasa Stankovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131927
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Devang Patel [Mon, 23 May 2011 22:04:42 +0000 (22:04 +0000)]
Revert 121907 (it causes llc crash) and apply original patch from PR9817.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131926
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Akira Hatanaka [Mon, 23 May 2011 21:13:59 +0000 (21:13 +0000)]
Fixes related to coding style.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131922
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Dan Gohman [Mon, 23 May 2011 21:13:03 +0000 (21:13 +0000)]
Document llvm.exp and llvm.pow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131921
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Dan Gohman [Mon, 23 May 2011 21:07:39 +0000 (21:07 +0000)]
When checking for signed multiplication overflow, watch out for INT_MIN and -1.
This fixes PR9845.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131919
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Jim Grosbach [Mon, 23 May 2011 20:36:04 +0000 (20:36 +0000)]
Propagate error correctly in the MC Asm parser for leading '$' expressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131918
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Akira Hatanaka [Mon, 23 May 2011 20:34:30 +0000 (20:34 +0000)]
Fix MipsAsmPrinter::printSavedRegsBitmaskChange. Remove functions and variables
in MipsFunctionInfo that are no longer used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131917
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Chris Lattner [Mon, 23 May 2011 20:17:44 +0000 (20:17 +0000)]
clarify this, apparently it is confusing :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131916
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Akira Hatanaka [Mon, 23 May 2011 20:16:59 +0000 (20:16 +0000)]
Change StackDirection from StackGrowsUp to StackGrowsDown.
The following improvements are accomplished as a result of applying this patch:
- Fixed frame objects' offsets (relative to either the virtual frame pointer or
the stack pointer) are set before instruction selection is completed. There is
no need to wait until Prologue/Epilogue Insertion is run to set them.
- Calculation of final offsets of fixed frame objects is straightforward. It is
no longer necessary to assign negative offsets to fixed objects for incoming
arguments in order to distinguish them from the others.
- Since a fixed object has its relative offset set during instruction
selection, there is no need to conservatively set its alignment to 4.
- It is no longer necessary to reorder non-fixed frame objects in
MipsFrameLowering::adjustMipsStackFrame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131915
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Devang Patel [Mon, 23 May 2011 17:49:29 +0000 (17:49 +0000)]
Test case for r131908.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131909
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Devang Patel [Mon, 23 May 2011 17:44:13 +0000 (17:44 +0000)]
Preserve debug info during iSel by keeping DanglingDebugInfoMap live until end of function.
Patch by Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131908
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Devang Patel [Mon, 23 May 2011 17:35:08 +0000 (17:35 +0000)]
While replacing all uses of a SDValue with another value, do not forget to transfer SDDbgValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131907
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Devang Patel [Mon, 23 May 2011 17:34:18 +0000 (17:34 +0000)]
Clear list of instructions without DebugLoc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131906
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Duncan Sands [Mon, 23 May 2011 16:50:29 +0000 (16:50 +0000)]
The dragonegg option to disable LLVM optimizations changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131903
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Charles Davis [Mon, 23 May 2011 16:43:09 +0000 (16:43 +0000)]
Implement .seh_stackalloc and .seh_pushframe parsing.
I haven't implemented any of the ones that take registers yet. The problem is
that for x86-64 the streamer methods expect a native x86 register number (note:
%r8-%r15 want 8-15 instead of 0-7; same for %xmm8-%xmm15). I haven't figured
out exactly how I want to do that yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131899
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Chris Lattner [Mon, 23 May 2011 05:15:43 +0000 (05:15 +0000)]
fix a really nasty basicaa mod/ref calculation bug that was causing miscompilation of
UnitTests/ObjC/messages-2.m with the recent optimizer improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131897
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Cameron Zwarich [Mon, 23 May 2011 01:57:17 +0000 (01:57 +0000)]
Fix <rdar://problem/
9476260> by having tail calls always generate 32-bit branches
in Darwin Thumb2 code. Tail calls are already disabled on Thumb1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131894
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Chris Lattner [Mon, 23 May 2011 00:32:19 +0000 (00:32 +0000)]
rearrange two transforms, since one subsumes the other. Make the shift-exactness
xform recurse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131888
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Chris Lattner [Mon, 23 May 2011 00:21:50 +0000 (00:21 +0000)]
Transform any logical shift of a power of two into an exact/NUW shift when
in a known-non-zero context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131887
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Bill Wendling [Mon, 23 May 2011 00:18:33 +0000 (00:18 +0000)]
Use a more efficient data structure for the "operand map". The number of
operands to an instruction aren't great, so an iterative search is fairly quick
and doesn't have the overhead of std::map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131886
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Chris Lattner [Mon, 23 May 2011 00:09:55 +0000 (00:09 +0000)]
use the valuetracking isPowerOfTwo function, which is more powerful than checking
for a constant directly. Thanks to Duncan for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131885
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Chris Lattner [Mon, 23 May 2011 00:03:39 +0000 (00:03 +0000)]
Teach valuetracking that byval arguments with a specified alignment are
aligned.
Teach memcpyopt to not give up all hope when confonted with an underaligned
memcpy feeding an overaligned byval. If the *source* of the memcpy can be
determined to be adequeately aligned, or if it can be forced to be, we can
eliminate the memcpy.
This addresses PR9794. We now compile the example into:
define i32 @f(%struct.p* nocapture byval align 8 %q) nounwind ssp {
entry:
%call = call i32 @g(%struct.p* byval align 8 %q) nounwind
ret i32 %call
}
in both x86-64 and x86-32 mode. We still don't get a tailcall though,
because tailcalls apparently can't handle byval.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131884
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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