Do not emit undefined lsrh/ashr for NEON shifts
These IR instructions are undefined when the amount is equal to operand
size, but NEON right shifts support such shifts. Work around that by
emitting a different IR in these cases.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191953 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 8c506ac..19c64b7 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -2155,6 +2155,8 @@
llvm::Value *EmitNeonSplat(llvm::Value *V, llvm::Constant *Idx);
llvm::Value *EmitNeonShiftVector(llvm::Value *V, llvm::Type *Ty,
bool negateForRightShift);
+ llvm::Value *EmitNeonRShiftImm(llvm::Value *Vec, llvm::Value *Amt,
+ llvm::Type *Ty, bool usgn, const char *name);
llvm::Value *BuildVector(ArrayRef<llvm::Value*> Ops);
llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E);