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| author | Sanjay Patel <spatel@rotateright.com> | 2015-08-10 20:45:44 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2015-08-10 20:45:44 +0000 |
| commit | d09391c8cde01f7b29f42336cd0ae7edb698706d (patch) | |
| tree | ce1718504f605e2dd50d7c773da362df3d9940ed /llvm/lib/Target/X86/X86InstrInfo.cpp | |
| parent | 178f8cba51062330afa626a459c8f58c30848b33 (diff) | |
| download | bcm5719-llvm-d09391c8cde01f7b29f42336cd0ae7edb698706d.tar.gz bcm5719-llvm-d09391c8cde01f7b29f42336cd0ae7edb698706d.zip | |
fix minsize detection: minsize attribute implies optimizing for size
llvm-svn: 244499
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index c37f5c8f087..d65c2d73764 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -5347,11 +5347,8 @@ MachineInstr *X86InstrInfo::foldMemoryOperandImpl( // Check switch flag if (NoFusing) return nullptr; - // Unless optimizing for size, don't fold to avoid partial - // register update stalls - // FIXME: Use Function::optForSize(). - if (!MF.getFunction()->hasFnAttribute(Attribute::OptimizeForSize) && - hasPartialRegUpdate(MI->getOpcode())) + // Avoid partial register update stalls unless optimizing for size. + if (!MF.getFunction()->optForSize() && hasPartialRegUpdate(MI->getOpcode())) return nullptr; // Determine the alignment of the load. |
