; RUN: opt < %s -simplify-libcalls -instcombine -S | grep "ret i32 -65" ; PR4284 define i32 @test() nounwind { entry: %c0 = alloca i8, align 1 ; <i8*> [#uses=2] %c2 = alloca i8, align 1 ; <i8*> [#uses=2] store i8 64, i8* %c0 store i8 -127, i8* %c2 %call = call i32 @memcmp(i8* %c0, i8* %c2, i32 1) ; <i32> [#uses=1] ret i32 %call } declare i32 @memcmp(i8*, i8*, i32)