Andrew Trick 4f3052403c Fix an overly general check in SimplifyIndvar to handle useless phi cycles. ...

The right way to check for a binary operation is
cast<BinaryOperator>. The original check: cast<Instruction> &&
numOperands() == 2 would match phi "instructions", leading to an
infinite loop in extreme corner case: a useless phi with operands
[self, constant] that prior optimization passes failed to remove,
being used in the loop by another useless phi, in turn being used by an
lshr or udiv.

Fixes PR11350: runaway iteration assertion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144935 91177308-0d34-0410-b5e6-96231b3b80d8

2011-11-17 23:36:35 +00:00

..

AddrModeMatcher.cpp

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BasicBlockUtils.cpp

Fix a crashing bug in SplitBlock when it is called on a block with no

2011-08-24 18:07:01 +00:00

BasicInliner.cpp

Refactor code from inlining and globalopt that checks whether a function definition is unused, and enhance it so it can tell that functions which are only used by a blockaddress are in fact dead. This probably doesn't happen much on most code, but the Linux kernel's _THIS_IP_ can trigger this issue with blockaddress. (GlobalDCE can also handle the given tescase, but we only run that at -O3.) Found while looking at PR11180.

2011-10-20 05:23:42 +00:00

BreakCriticalEdges.cpp

LSR should avoid redundant edge splitting.

2011-10-04 03:50:44 +00:00

BuildLibCalls.cpp

Add support for custom names for library functions in TargetLibraryInfo. Add a custom name for fwrite and fputs on x86-32 OSX. Make SimplifyLibCalls honor the custom

2011-11-17 01:27:36 +00:00

CloneFunction.cpp

Remap blockaddress correctly when inlining a function. Fixes PR10162.

2011-10-21 20:45:19 +00:00

CloneModule.cpp

Fix llvm::CloneModule to correctly clone globals. Patch per bug report by Simon Moll on llvmdev.

2011-08-15 21:05:06 +00:00

CMakeLists.txt

Add utility to append a function to the list of global constructors.

2011-10-31 23:58:51 +00:00

CodeExtractor.cpp

Use ArrayRef instead of an explicit 'const std::vector &'.

2011-09-20 19:05:04 +00:00

DemoteRegToStack.cpp

Make sure we don't insert instructions before a landingpad instruction.

2011-11-07 19:38:34 +00:00

InlineFunction.cpp

Add inlining for the new EH scheme.

2011-08-14 08:01:36 +00:00

InstructionNamer.cpp

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LCSSA.cpp

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LLVMBuild.txt

LLVMBuild: Alphabetize required_libraries lists.

2011-11-11 22:59:23 +00:00

Local.cpp

A dead malloc, a free(NULL) and a free(undef) are all trivially dead

2011-10-24 04:35:36 +00:00

LoopSimplify.cpp

Intelligently split the landing pad block.

2011-08-19 00:09:22 +00:00

LoopUnroll.cpp

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LowerExpectIntrinsic.cpp

Add a proper LLVM banner to this file.

2011-10-16 22:15:07 +00:00

LowerInvoke.cpp

When inserting new instructions, use getFirstInsertionPt instead of

2011-08-25 01:08:34 +00:00

LowerSwitch.cpp

Clean up uses of switch instructions so they are not dependent on the operand ordering. Patch by Stepan Dyatkovskiy.

2011-09-29 20:21:17 +00:00

Makefile

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Mem2Reg.cpp

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ModuleUtils.cpp

test commit to verify that commit access works (added blank line)

2011-11-16 01:14:38 +00:00

PromoteMemoryToRegister.cpp

Add comments and test for atomic load/store and mem2reg.

2011-08-15 23:55:52 +00:00

SimplifyCFG.cpp

Delete trivial landing pads that just continue unwinding the caught

2011-09-05 12:57:57 +00:00

SimplifyIndVar.cpp

Fix an overly general check in SimplifyIndvar to handle useless phi cycles.

2011-11-17 23:36:35 +00:00

SimplifyInstructions.cpp

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SSAUpdater.cpp

Make headers standalone, move a virtual method out of line.

2011-11-14 17:22:45 +00:00

UnifyFunctionExitNodes.cpp

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Utils.cpp

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ValueMapper.cpp

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