| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -gvn -S | FileCheck %s |
| 2 | ; |
| 3 | |
| 4 | %0 = type { i64, i1 } |
| 5 | |
| 6 | define i64 @test1(i64 %a, i64 %b) nounwind ssp { |
| 7 | entry: |
| 8 | %uadd = tail call %0 @llvm.uadd.with.overflow.i64(i64 %a, i64 %b) |
| 9 | %uadd.0 = extractvalue %0 %uadd, 0 |
| 10 | %add1 = add i64 %a, %b |
| 11 | ret i64 %add1 |
| 12 | } |
| 13 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 14 | ; CHECK-LABEL: @test1( |
| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 15 | ; CHECK-NOT: add1 |
| 16 | ; CHECK: ret |
| 17 | |
| 18 | define i64 @test2(i64 %a, i64 %b) nounwind ssp { |
| 19 | entry: |
| 20 | %usub = tail call %0 @llvm.usub.with.overflow.i64(i64 %a, i64 %b) |
| 21 | %usub.0 = extractvalue %0 %usub, 0 |
| 22 | %sub1 = sub i64 %a, %b |
| 23 | ret i64 %sub1 |
| 24 | } |
| 25 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 26 | ; CHECK-LABEL: @test2( |
| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 27 | ; CHECK-NOT: sub1 |
| 28 | ; CHECK: ret |
| 29 | |
| 30 | define i64 @test3(i64 %a, i64 %b) nounwind ssp { |
| 31 | entry: |
| 32 | %umul = tail call %0 @llvm.umul.with.overflow.i64(i64 %a, i64 %b) |
| 33 | %umul.0 = extractvalue %0 %umul, 0 |
| 34 | %mul1 = mul i64 %a, %b |
| 35 | ret i64 %mul1 |
| 36 | } |
| 37 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 38 | ; CHECK-LABEL: @test3( |
| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 39 | ; CHECK-NOT: mul1 |
| 40 | ; CHECK: ret |
| 41 | |
| Lang Hames | c5c191b | 2011-07-09 00:36:54 +0000 | [diff] [blame] | 42 | define i64 @test4(i64 %a, i64 %b) nounwind ssp { |
| 43 | entry: |
| 44 | %sadd = tail call %0 @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) |
| 45 | %sadd.0 = extractvalue %0 %sadd, 0 |
| 46 | %add1 = add i64 %a, %b |
| 47 | ret i64 %add1 |
| 48 | } |
| 49 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 50 | ; CHECK-LABEL: @test4( |
| Lang Hames | c5c191b | 2011-07-09 00:36:54 +0000 | [diff] [blame] | 51 | ; CHECK-NOT: add1 |
| 52 | ; CHECK: ret |
| 53 | |
| 54 | define i64 @test5(i64 %a, i64 %b) nounwind ssp { |
| 55 | entry: |
| 56 | %ssub = tail call %0 @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) |
| 57 | %ssub.0 = extractvalue %0 %ssub, 0 |
| 58 | %sub1 = sub i64 %a, %b |
| 59 | ret i64 %sub1 |
| 60 | } |
| 61 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 62 | ; CHECK-LABEL: @test5( |
| Lang Hames | c5c191b | 2011-07-09 00:36:54 +0000 | [diff] [blame] | 63 | ; CHECK-NOT: sub1 |
| 64 | ; CHECK: ret |
| 65 | |
| 66 | define i64 @test6(i64 %a, i64 %b) nounwind ssp { |
| 67 | entry: |
| 68 | %smul = tail call %0 @llvm.smul.with.overflow.i64(i64 %a, i64 %b) |
| 69 | %smul.0 = extractvalue %0 %smul, 0 |
| 70 | %mul1 = mul i64 %a, %b |
| 71 | ret i64 %mul1 |
| 72 | } |
| 73 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 74 | ; CHECK-LABEL: @test6( |
| Lang Hames | c5c191b | 2011-07-09 00:36:54 +0000 | [diff] [blame] | 75 | ; CHECK-NOT: mul1 |
| 76 | ; CHECK: ret |
| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 77 | |
| 78 | declare void @exit(i32) noreturn |
| 79 | declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone |
| 80 | declare %0 @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone |
| 81 | declare %0 @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone |
| Lang Hames | c5c191b | 2011-07-09 00:36:54 +0000 | [diff] [blame] | 82 | declare %0 @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone |
| 83 | declare %0 @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone |
| 84 | declare %0 @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone |
| Lang Hames | 29cd98f | 2011-07-08 01:50:54 +0000 | [diff] [blame] | 85 | |