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Mikael Holmen 2676f8269a MachineCSE: Respect interblock physreg liveness 
Summary:
This is a fix for PR32538. MachineCSE first looks at MO.isDead(), but
if it is not marked dead, MachineCSE still wants to do its own check
to see if it is trivially dead. This check for the trivial case
assumed that physical registers cannot be live out of a block.

Patch by Mattias Eriksson.

Reviewers: qcolombet, jbhateja

Reviewed By: qcolombet, jbhateja

Subscribers: jbhateja, llvm-commits

Differential Revision: https://reviews.llvm.org/D33408

llvm-svn: 303731
 		2017-05-24 09:35:23 +00:00
..
AArch64 AsmPrinter: mark the beginning and the end of a function in verbose mode 2017-05-23 21:22:16 +00:00
AMDGPU [AMDGPU] Add INDIRECT_BASE_ADDR to R600_Reg32 class (PR33045) 2017-05-23 21:27:15 +00:00
ARM AsmPrinter: mark the beginning and the end of a function in verbose mode 2017-05-23 21:22:16 +00:00
AVR [AVR] When lowering Select8/Select16, put newly generated MBBs in the same spot 2017-05-13 00:22:34 +00:00
BPF [bpf] fix a bug which causes incorrect big endian reloc fixup 2017-05-05 18:05:00 +00:00
Generic [LegacyPassManager] Remove TargetMachine constructors 2017-05-18 17:21:13 +00:00
Hexagon Add extra operand to CALLSEQ_START to keep frame part set up previously 2017-05-09 13:35:13 +00:00
Inputs
…
Lanai [lanai] Add computeKnownBitsForTargetNode for Lanai. 2017-05-09 18:35:26 +00:00
MIR MachineCSE: Respect interblock physreg liveness 2017-05-24 09:35:23 +00:00
MSP430 [MSP430] Add subtarget features for hardware multiplier. 2017-05-23 21:49:42 +00:00
Mips [mips] Support micromips attribute passed by front-end 2017-05-22 12:47:41 +00:00
NVPTX Revert r302938 "Add LiveRangeShrink pass to shrink live range within BB." 2017-05-18 18:50:05 +00:00
PowerPC Summary 2017-05-21 06:00:05 +00:00
SPARC Revert r302938 "Add LiveRangeShrink pass to shrink live range within BB." 2017-05-18 18:50:05 +00:00
SystemZ Elide stores which are overwritten without being observed. 2017-05-16 19:43:56 +00:00
Thumb Elide stores which are overwritten without being observed. 2017-05-16 19:43:56 +00:00
Thumb2 Elide stores which are overwritten without being observed. 2017-05-16 19:43:56 +00:00
WebAssembly [WebAssembly] Fix WebAssemblyOptimizeReturned after r300367 2017-04-17 21:40:28 +00:00
WinEH
…
X86 Explicitly set CPU and -slow-incdec to try to fix r303678's test on llvm-clang-x86_64-expensive-checks-win. 2017-05-24 07:02:37 +00:00
XCore AsmPrinter: mark the beginning and the end of a function in verbose mode 2017-05-23 21:22:16 +00:00