1; RUN: llc < %s
2; RUN: llc < %s -fast-isel
3
4@ok = internal constant [4 x i8] c"%d\0A\00"
5@no = internal constant [4 x i8] c"no\0A\00"
6
7define i1 @func1(i32 %v1, i32 %v2) nounwind {
8entry:
9  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
10  %sum = extractvalue {i32, i1} %t, 0
11  %obit = extractvalue {i32, i1} %t, 1
12  br i1 %obit, label %overflow, label %normal
13
14normal:
15  %t1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
16  ret i1 true
17
18overflow:
19  %t2 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @no, i32 0, i32 0) ) nounwind
20  ret i1 false
21}
22
23define i1 @func2(i32 %v1, i32 %v2) nounwind {
24entry:
25  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
26  %sum = extractvalue {i32, i1} %t, 0
27  %obit = extractvalue {i32, i1} %t, 1
28  br i1 %obit, label %overflow, label %normal
29
30normal:
31  %t1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
32  ret i1 true
33
34overflow:
35  %t2 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @no, i32 0, i32 0) ) nounwind
36  ret i1 false
37}
38
39declare i32 @printf(i8*, ...) nounwind
40declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
41declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)
42