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| author | Derek Schuff <dschuff@chromium.org> | 2012-08-17 14:35:45 -0700 |
|---|---|---|
| committer | Derek Schuff <dschuff@chromium.org> | 2012-08-17 14:35:45 -0700 |
| commit | b62e9abf7dd9e39c95327914ce9dfe216386824a (patch) | |
| tree | c683f0bcbef19f622727251165eaf89a4f806c62 /lib/CodeGen/LiveRegMatrix.cpp | |
| parent | 66f65db9406ca9e59d4bfed89436f668d6a84374 (diff) | |
| parent | c723eb1aef817d47feec620933ee1ec6005cdd14 (diff) | |
Merge commit 'c723eb1aef817d47feec620933ee1ec6005cdd14'
This merges r159618 from upstream into master. It goes with clang rev
af50aab0c317462129d73ae8000c6394c718598d
Conflicts:
include/llvm/CodeGen/LexicalScopes.h
include/llvm/Target/TargetOptions.h
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
lib/Target/ARM/ARMBaseInstrInfo.cpp
lib/Target/ARM/ARMTargetMachine.cpp
lib/Target/ARM/ARMTargetObjectFile.cpp
lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
lib/Target/Mips/MipsISelDAGToDAG.cpp
lib/Target/Mips/MipsInstrFPU.td
lib/Target/Mips/MipsMCInstLower.cpp
lib/Target/Mips/MipsTargetMachine.cpp
lib/Target/TargetMachine.cpp
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86RegisterInfo.cpp
lib/Target/X86/X86TargetObjectFile.cpp
lib/Target/X86/X86TargetObjectFile.h
tools/llc/llc.cpp
(tools/llc/llc.cpp is from a merged version of r160532 because it was a bit
hairy and I didn't want to redo it.)
Diffstat (limited to 'lib/CodeGen/LiveRegMatrix.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRegMatrix.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveRegMatrix.cpp b/lib/CodeGen/LiveRegMatrix.cpp index 61e1432b0e..cdb1776812 100644 --- a/lib/CodeGen/LiveRegMatrix.cpp +++ b/lib/CodeGen/LiveRegMatrix.cpp @@ -110,7 +110,7 @@ bool LiveRegMatrix::checkRegMaskInterference(LiveInterval &VirtReg, // The BitVector is indexed by PhysReg, not register unit. // Regmask interference is more fine grained than regunits. // For example, a Win64 call can clobber %ymm8 yet preserve %xmm8. - return !RegMaskUsable.empty() && !RegMaskUsable.test(PhysReg); + return !RegMaskUsable.empty() && (!PhysReg || !RegMaskUsable.test(PhysReg)); } bool LiveRegMatrix::checkRegUnitInterference(LiveInterval &VirtReg, |