Andrew Trick 340d78f4e7 PreRA scheduler should avoid cloning compares. ...

Added canClobberReachingPhysRegUse() to handle a particular pattern in
which a two-address instruction could be forced to interfere with
EFLAGS, causing a compare to be unnecessarilly cloned.
Fixes rdar://problem/5875261


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138924 91177308-0d34-0410-b5e6-96231b3b80d8

2011-09-01 00:54:31 +00:00

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Alpha

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ARM

Generic expansion for atomic load/store into cmpxchg/atomicrmw xchg; implements 64-bit atomic load/store for ARM.

2011-08-31 18:26:09 +00:00

Blackfin

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CBackend

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CellSPU

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CPP

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Generic

Revert r138894. This was failing on cmake-clang-i686-msvc10.

2011-08-31 21:20:25 +00:00

MBlaze

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Mips

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MSP430

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PowerPC

Update more tests to the new EH scheme.

2011-08-31 21:04:11 +00:00

PTX

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SPARC

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SystemZ

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Thumb

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Thumb2

Change ARM / Thumb2 addc / adde and subc / sube modeling to use physical

2011-08-30 01:34:54 +00:00

X86

PreRA scheduler should avoid cloning compares.

2011-09-01 00:54:31 +00:00

XCore

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