Fix PR4206 - crash in simplify lib calls

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71644 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-05-13 06:26:11 +00:00
parent 60dc7345eb
commit bcc2e7dc2c
2 changed files with 7 additions and 1 deletions

View File

@ -1116,7 +1116,7 @@ struct VISIBILITY_HIDDEN FFSOpt : public LibCallOptimization {
Value *F = Intrinsic::getDeclaration(Callee->getParent(),
Intrinsic::cttz, &ArgType, 1);
Value *V = B.CreateCall(F, Op, "cttz");
V = B.CreateAdd(V, ConstantInt::get(Type::Int32Ty, 1), "tmp");
V = B.CreateAdd(V, ConstantInt::get(V->getType(), 1), "tmp");
V = B.CreateIntCast(V, Type::Int32Ty, false, "tmp");
Value *Cond = B.CreateICmpNE(Op, Constant::getNullValue(ArgType), "tmp");

View File

@ -28,3 +28,9 @@ define i32 @main() {
ret i32 %rslt5
}
; PR4206
define i32 @a(i64) nounwind {
%2 = call i32 @ffsll(i64 %0) ; <i32> [#uses=1]
ret i32 %2
}