diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 5c46111822b..e52d87a7a51 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -340,6 +340,10 @@ bool llvm::isInstructionTriviallyDead(Instruction *I, if (Constant *C = dyn_cast<Constant>(CI->getArgOperand(0))) return C->isNullValue() || isa<UndefValue>(C); + if (CallSite CS = CallSite(I)) + if (isMathLibCallNoop(CS, TLI)) + return true; + return false; } |
