diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp b/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp index 692dd525152..0bd2bd84db0 100644 --- a/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp +++ b/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp @@ -186,12 +186,12 @@ protected: if (!KilledProdOp) continue; - // If the addend copy is used only by this MI, then the addend source - // register is likely not live here. This could be fixed (based on the - // legality checks above, the live range for the addend source register - // could be extended), but it seems likely that such a trivial copy can - // be coalesced away later, and thus is not worth the effort. - if (TargetRegisterInfo::isVirtualRegister(AddendSrcReg) && + // If the addend copy is used only by this MI, then the addend source + // register is likely not live here. This could be fixed (based on the + // legality checks above, the live range for the addend source register + // could be extended), but it seems likely that such a trivial copy can + // be coalesced away later, and thus is not worth the effort. + if (TargetRegisterInfo::isVirtualRegister(AddendSrcReg) && !LIS->getInterval(AddendSrcReg).liveAt(FMAIdx)) continue; |
