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

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Alpha

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ARM

Fix <rdar://problem/9476260> by having tail calls always generate 32-bit branches

2011-05-23 01:57:17 +00:00

Blackfin

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CBackend

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CellSPU

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CPP

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Generic

Move test for appropriate directory.

2011-05-17 19:06:43 +00:00

MBlaze

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Mips

Add pattern for double-to-integer conversion. Patch by Sasa Stankovic.

2011-05-23 22:16:43 +00:00

MSP430

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PowerPC

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PTX

PTX: add flag to disable mad/fma selection

2011-05-18 15:42:23 +00:00

SPARC

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SystemZ

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Thumb

Move this test to CodeGen/Thumb. rdar://problem/9416774

2011-05-11 19:41:28 +00:00

Thumb2

Since I can't reproduce the failures from 131261, re-trying with a

2011-05-13 00:51:54 +00:00

X86

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

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

XCore

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