Evan Cheng b5a55d979c - 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 91177308-0d34-0410-b5e6-96231b3b80d8

2011-05-24 01:48:22 +00:00

..

Analysis

fix a really nasty basicaa mod/ref calculation bug that was causing miscompilation of

2011-05-23 05:15:43 +00:00

Archive

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AsmParser

Remove unused variables caught by GCC's -Wunused-but-set-variable.

2011-05-03 16:00:27 +00:00

Bitcode

It's valid to take the blockaddress of a different function, so remove this

2011-05-06 21:09:44 +00:00

CodeGen

- Teach SelectionDAG::isKnownNeverZero to return true (op x, c) when c is

2011-05-24 01:48:22 +00:00

CompilerDriver

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ExecutionEngine

Avoid a Twine that referenced a tmp (which proceded to go out of scope before

2011-05-19 00:45:05 +00:00

Linker

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MC

Propagate error correctly in the MC Asm parser for leading '$' expressions.

2011-05-23 20:36:04 +00:00

Object

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Support

fix a bug for hosts without round, PR8893.

2011-05-22 06:03:53 +00:00

Target

- Teach SelectionDAG::isKnownNeverZero to return true (op x, c) when c is

2011-05-24 01:48:22 +00:00

Transforms

When checking for signed multiplication overflow, watch out for INT_MIN and -1.

2011-05-23 21:07:39 +00:00

VMCore

Clear list of instructions without DebugLoc.

2011-05-23 17:34:18 +00:00

CMakeLists.txt

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Makefile

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