[EarlyCSE] Add support for unary FNeg to EarlyCSE
Differential Revision: https://reviews.llvm.org/D65815
llvm-svn: 368171
diff --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
index f1f0752..22628ff 100644
--- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -108,11 +108,12 @@
// This can only handle non-void readnone functions.
if (CallInst *CI = dyn_cast<CallInst>(Inst))
return CI->doesNotAccessMemory() && !CI->getType()->isVoidTy();
- return isa<CastInst>(Inst) || isa<BinaryOperator>(Inst) ||
- isa<GetElementPtrInst>(Inst) || isa<CmpInst>(Inst) ||
- isa<SelectInst>(Inst) || isa<ExtractElementInst>(Inst) ||
- isa<InsertElementInst>(Inst) || isa<ShuffleVectorInst>(Inst) ||
- isa<ExtractValueInst>(Inst) || isa<InsertValueInst>(Inst);
+ return isa<CastInst>(Inst) || isa<UnaryOperator>(Inst) ||
+ isa<BinaryOperator>(Inst) || isa<GetElementPtrInst>(Inst) ||
+ isa<CmpInst>(Inst) || isa<SelectInst>(Inst) ||
+ isa<ExtractElementInst>(Inst) || isa<InsertElementInst>(Inst) ||
+ isa<ShuffleVectorInst>(Inst) || isa<ExtractValueInst>(Inst) ||
+ isa<InsertValueInst>(Inst);
}
};
@@ -240,7 +241,7 @@
assert((isa<CallInst>(Inst) || isa<GetElementPtrInst>(Inst) ||
isa<ExtractElementInst>(Inst) || isa<InsertElementInst>(Inst) ||
- isa<ShuffleVectorInst>(Inst)) &&
+ isa<ShuffleVectorInst>(Inst) || isa<UnaryOperator>(Inst)) &&
"Invalid/unknown instruction");
// Mix in the opcode.