diff options
Diffstat (limited to 'llvm/lib/CodeGen/TargetPassConfig.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetPassConfig.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp index bfe8f152a71..f502ae202c3 100644 --- a/llvm/lib/CodeGen/TargetPassConfig.cpp +++ b/llvm/lib/CodeGen/TargetPassConfig.cpp @@ -1083,6 +1083,10 @@ void TargetPassConfig::addOptimizedRegAlloc(FunctionPass *RegAllocPass) { // kill markers. addPass(&StackSlotColoringID); + // Copy propagate to forward register uses and try to eliminate COPYs that + // were not coalesced. + addPass(&MachineCopyPropagationID); + // Run post-ra machine LICM to hoist reloads / remats. // // FIXME: can this move into MachineLateOptimization? |
