James Y Knight f1ad5e7c9b Check for register clobbers when merging a vreg live range with a ...

reserved physreg in RegisterCoalescer.

Previously, we only checked for clobbers when merging into a READ of
the physreg, but not when merging from a WRITE to the physreg.

Differential Revision: https://reviews.llvm.org/D28527

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291942 91177308-0d34-0410-b5e6-96231b3b80d8

2017-01-13 19:08:36 +00:00

..

AArch64

Check for register clobbers when merging a vreg live range with a

2017-01-13 19:08:36 +00:00

AMDGPU

AMDGPU: Skip fneg/select combine if it can fold into other

2017-01-12 18:58:15 +00:00

ARM

Revert "CodeGen: Allow small copyable blocks to "break" the CFG."

2017-01-11 19:55:19 +00:00

AVR

[AVR] Implement TargetLoweing::getRegisterByName

2017-01-07 23:39:47 +00:00

BPF

Renumber testcase metadata nodes after r290153.

2016-12-22 00:45:21 +00:00

Generic

Track validity of pass results

2017-01-13 06:09:54 +00:00

Hexagon

Fix two bugs in the pipeliner in renaming phis in the prolog and epilog

2016-12-22 18:49:55 +00:00

Inputs

…

Lanai

[lanai] Simplify small section check in LowerGlobalAddress and treat ldata sections specially.

2016-12-15 16:56:16 +00:00

Mips

Track validity of pass results

2017-01-13 06:09:54 +00:00

MIR

[AArch64] Fold some filled/spilled subreg COPYs

2017-01-05 21:51:42 +00:00

MSP430

Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled."

2016-12-14 16:43:44 +00:00

NVPTX

[NVPTX] Only lower sin/cos to approximate instructions if unsafe math is allowed.

2017-01-13 18:48:13 +00:00

PowerPC

Revert "CodeGen: Allow small copyable blocks to "break" the CFG."

2017-01-11 19:55:19 +00:00

SPARC

Check for register clobbers when merging a vreg live range with a

2017-01-13 19:08:36 +00:00

SystemZ

Revert "CodeGen: Allow small copyable blocks to "break" the CFG."

2017-01-11 19:55:19 +00:00

Thumb

Revert "CodeGen: Allow small copyable blocks to "break" the CFG."

2017-01-11 19:55:19 +00:00

Thumb2

ARM: match GCC's behaviour for builtins

2017-01-13 16:25:33 +00:00

WebAssembly

Revert "CodeGen: Allow small copyable blocks to "break" the CFG."

2017-01-11 19:55:19 +00:00

WinEH

…

X86

[X86][AVX] Bad v4f64/v4i64 '1z3z' shuffle test case

2017-01-13 18:23:47 +00:00

XCore

Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled."

2016-12-14 16:43:44 +00:00