-; RUN: opt %s -argpromotion | llvm-dis | grep nounwind | count 2
+; RUN: opt < %s -argpromotion -S | FileCheck %s
+; CHECK: define internal i32 @deref(i32 %x.val) #0 {
define internal i32 @deref(i32* %x) nounwind {
entry:
- %tmp2 = load i32* %x, align 4 ; <i32> [#uses=1]
- ret i32 %tmp2
+ %tmp2 = load i32* %x, align 4
+ ret i32 %tmp2
}
define i32 @f(i32 %x) {
entry:
- %x_addr = alloca i32 ; <i32*> [#uses=2]
- store i32 %x, i32* %x_addr, align 4
- %tmp1 = call i32 @deref( i32* %x_addr ) nounwind ; <i32> [#uses=1]
- ret i32 %tmp1
+ %x_addr = alloca i32
+ store i32 %x, i32* %x_addr, align 4
+; CHECK: %tmp1 = call i32 @deref(i32 %x_addr.val) [[NUW:#[0-9]+]]
+ %tmp1 = call i32 @deref( i32* %x_addr ) nounwind
+ ret i32 %tmp1
}
+
+; CHECK: attributes [[NUW]] = { nounwind }