diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp index 1b6bc714505..f9545cc1d41 100644 --- a/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp +++ b/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp @@ -164,6 +164,10 @@ void NVPTXPassConfig::addIRPasses() { addPass(createNVPTXAssignValidGlobalNamesPass()); addPass(createGenericToNVVMPass()); addPass(createNVPTXFavorNonGenericAddrSpacesPass()); + // FavorNonGenericAddrSpaces shortcuts unnecessary addrspacecasts, and leave + // them unused. We could remove dead code in an ad-hoc manner, but that + // requires manual work and might be error-prone. + addPass(createDeadCodeEliminationPass()); addPass(createStraightLineStrengthReducePass()); addPass(createSeparateConstOffsetFromGEPPass()); // The SeparateConstOffsetFromGEP pass creates variadic bases that can be used @@ -173,16 +177,6 @@ void NVPTXPassConfig::addIRPasses() { addPass(createGVNPass()); else addPass(createEarlyCSEPass()); - // Both FavorNonGenericAddrSpaces and SeparateConstOffsetFromGEP may leave - // some dead code. We could remove dead code in an ad-hoc manner, but that - // requires manual work and might be error-prone. - // - // The FavorNonGenericAddrSpaces pass shortcuts unnecessary addrspacecasts, - // and leave them unused. - // - // SeparateConstOffsetFromGEP rebuilds a new index from the old index, and the - // old index and some of its intermediate results may become unused. - addPass(createDeadCodeEliminationPass()); } bool NVPTXPassConfig::addInstSelector() { |
