| Dan Gohman | 36a0947 | 2009-09-08 23:54:48 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | grep {jo} | count 2 |
| 2 | ; RUN: llc < %s -march=x86 | grep {jb} | count 2 |
| 3 | ; RUN: llc < %s -march=x86 -O0 | grep {jo} | count 2 |
| 4 | ; RUN: llc < %s -march=x86 -O0 | grep {jb} | count 2 |
| Bill Wendling | e21815f | 2008-11-26 22:42:19 +0000 | [diff] [blame] | 5 | |
| 6 | @ok = internal constant [4 x i8] c"%d\0A\00" |
| 7 | @no = internal constant [4 x i8] c"no\0A\00" |
| 8 | |
| 9 | define i1 @func1(i32 %v1, i32 %v2) nounwind { |
| 10 | entry: |
| 11 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 12 | %sum = extractvalue {i32, i1} %t, 0 |
| 13 | %obit = extractvalue {i32, i1} %t, 1 |
| 14 | br i1 %obit, label %overflow, label %normal |
| 15 | |
| 16 | normal: |
| 17 | %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind |
| 18 | ret i1 true |
| 19 | |
| 20 | overflow: |
| 21 | %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind |
| 22 | ret i1 false |
| 23 | } |
| 24 | |
| 25 | define i1 @func2(i32 %v1, i32 %v2) nounwind { |
| 26 | entry: |
| 27 | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 28 | %sum = extractvalue {i32, i1} %t, 0 |
| 29 | %obit = extractvalue {i32, i1} %t, 1 |
| Bill Wendling | b3cf03c | 2008-12-03 02:43:12 +0000 | [diff] [blame] | 30 | br i1 %obit, label %carry, label %normal |
| Bill Wendling | e21815f | 2008-11-26 22:42:19 +0000 | [diff] [blame] | 31 | |
| 32 | normal: |
| 33 | %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind |
| 34 | ret i1 true |
| 35 | |
| Bill Wendling | b3cf03c | 2008-12-03 02:43:12 +0000 | [diff] [blame] | 36 | carry: |
| Bill Wendling | e21815f | 2008-11-26 22:42:19 +0000 | [diff] [blame] | 37 | %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind |
| 38 | ret i1 false |
| 39 | } |
| 40 | |
| Bill Wendling | 2476e5d | 2008-12-10 22:36:00 +0000 | [diff] [blame] | 41 | define i1 @func3() nounwind { |
| 42 | entry: |
| 43 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 0, i32 0) |
| 44 | %sum = extractvalue {i32, i1} %t, 0 |
| 45 | %obit = extractvalue {i32, i1} %t, 1 |
| 46 | br i1 %obit, label %carry, label %normal |
| 47 | |
| 48 | normal: |
| 49 | %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind |
| 50 | ret i1 true |
| 51 | |
| 52 | carry: |
| 53 | %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind |
| 54 | ret i1 false |
| 55 | } |
| 56 | |
| 57 | define i1 @func4() nounwind { |
| 58 | entry: |
| 59 | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 0, i32 0) |
| 60 | %sum = extractvalue {i32, i1} %t, 0 |
| 61 | %obit = extractvalue {i32, i1} %t, 1 |
| 62 | br i1 %obit, label %carry, label %normal |
| 63 | |
| 64 | normal: |
| 65 | %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind |
| 66 | ret i1 true |
| 67 | |
| 68 | carry: |
| 69 | %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind |
| 70 | ret i1 false |
| 71 | } |
| 72 | |
| Bill Wendling | e21815f | 2008-11-26 22:42:19 +0000 | [diff] [blame] | 73 | declare i32 @printf(i8*, ...) nounwind |
| 74 | declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) |
| 75 | declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) |