return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0) == FTy.getReturnType() &&
FTy.getParamType(1) == FTy.getReturnType() &&
- FTy.getParamType(2)->isIntegerTy());
+ IsSizeTTy(FTy.getParamType(2)));
case LibFunc_strcpy_chk:
case LibFunc_stpcpy_chk:
return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
FTy.getParamType(0) == FTy.getParamType(1) &&
FTy.getParamType(0) == PCharTy &&
- FTy.getParamType(2)->isIntegerTy());
+ IsSizeTTy(FTy.getParamType(2)));
case LibFunc_strxfrm:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(0) == FTy.getParamType(1) &&
- FTy.getParamType(2)->isIntegerTy());
+ IsSizeTTy(FTy.getParamType(2)));
case LibFunc_strspn:
case LibFunc_strcspn:
--- /dev/null
+; Test that the strncpy simplification doesn't crash if datalayout specifies
+; 64 bit pointers while length is a 32 bit argument
+;
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64"
+
+declare i32 @strncmp(i8*, i8*, i32)
+
+define i32 @test6(i8* %str1, i8* %str2) {
+; CHECK-LABEL: @test6(
+; CHECK: call i32 @strncmp(i8* %str1, i8* %str2, i32 1)
+
+ %temp1 = call i32 @strncmp(i8* %str1, i8* %str2, i32 1)
+ ret i32 %temp1
+}