| Bill Wendling | 52a5899 | 2008-11-21 02:15:51 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | llc |
| 2 | |
| 3 | @ok = internal constant [4 x i8] c"%d\0A\00" |
| 4 | @no = internal constant [4 x i8] c"no\0A\00" |
| 5 | |
| 6 | define i1 @foo(i32 %v1, i32 %v2) nounwind { |
| 7 | entry: |
| 8 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 9 | %sum = extractvalue {i32, i1} %t, 0 |
| 10 | %obit = extractvalue {i32, i1} %t, 1 |
| 11 | br i1 %obit, label %overflow, label %normal |
| 12 | |
| 13 | normal: |
| 14 | %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind |
| 15 | ret i1 true |
| 16 | |
| 17 | overflow: |
| 18 | %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind |
| 19 | ret i1 false |
| 20 | } |
| 21 | |
| 22 | declare i32 @printf(i8*, ...) nounwind |
| 23 | declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) |