diff options
Diffstat (limited to 'llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp index 7fdfdbfb83f..a6466687bc7 100644 --- a/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp +++ b/llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp @@ -165,6 +165,11 @@ void NVPTXPassConfig::addIRPasses() { addPass(createGenericToNVVMPass()); addPass(createNVPTXLowerKernelArgsPass(&getNVPTXTargetMachine())); addPass(createNVPTXFavorNonGenericAddrSpacesPass()); + // NVPTXLowerKernelArgs emits alloca for byval parameters which can often + // be eliminated by SROA. We do not run SROA right after NVPTXLowerKernelArgs + // because we plan to merge NVPTXLowerKernelArgs and + // NVPTXFavorNonGenericAddrSpaces into one pass. + addPass(createSROAPass()); // 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. |
