Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s |
| 2 | ; CHECK-NOT: if {{.*}} cmp{{.*}}jump |
| 3 | |
| 4 | %s.0 = type opaque |
| 5 | %s.1 = type { i8*, i8*, %s.2*, i32, [0 x i8] } |
| 6 | %s.2 = type opaque |
| 7 | |
| 8 | @g0 = private unnamed_addr constant [29 x i8] c"BUG: failure at %s:%d/%s()!\0A\00", align 1 |
| 9 | @g1 = private unnamed_addr constant [11 x i8] c"fs/namei.c\00", align 1 |
| 10 | @g2 = private unnamed_addr constant [8 x i8] c"putname\00", align 1 |
| 11 | @g3 = private unnamed_addr constant [5 x i8] c"BUG!\00", align 1 |
| 12 | @g4 = external global %s.0*, align 4 |
| 13 | |
| 14 | ; Function Attrs: nounwind |
| 15 | define void @f0(%s.1* %a0) #0 { |
| 16 | b0: |
| 17 | %v0 = alloca %s.1*, align 4 |
| 18 | store %s.1* %a0, %s.1** %v0, align 4 |
| 19 | br label %b1, !llvm.loop !0 |
| 20 | |
| 21 | b1: ; preds = %b0 |
| 22 | %v1 = load %s.1*, %s.1** %v0, align 4 |
| 23 | %v2 = getelementptr inbounds %s.1, %s.1* %v1, i32 0, i32 3 |
| 24 | %v3 = load i32, i32* %v2, align 4 |
| 25 | %v4 = icmp sle i32 %v3, 0 |
| 26 | %v5 = xor i1 %v4, true |
| 27 | %v6 = xor i1 %v5, true |
| 28 | %v7 = zext i1 %v6 to i32 |
| 29 | %v8 = call i32 @llvm.expect.i32(i32 %v7, i32 0) |
| 30 | %v9 = icmp ne i32 %v8, 0 |
| 31 | br i1 %v9, label %b2, label %b5 |
| 32 | |
| 33 | b2: ; preds = %b1 |
| 34 | br label %b3 |
| 35 | |
| 36 | b3: ; preds = %b2 |
| 37 | %v10 = call i32 (i8*, ...) @f1(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @g0, i32 0, i32 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @g1, i32 0, i32 0), i32 246, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @g2, i32 0, i32 0)) |
| 38 | call void (i8*, ...) @f2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @g3, i32 0, i32 0)) |
| 39 | unreachable |
| 40 | |
| 41 | b4: ; No predecessors! |
| 42 | br label %b5 |
| 43 | |
| 44 | b5: ; preds = %b4, %b1 |
| 45 | br label %b6 |
| 46 | |
| 47 | b6: ; preds = %b5 |
| 48 | %v11 = load %s.1*, %s.1** %v0, align 4 |
| 49 | %v12 = getelementptr inbounds %s.1, %s.1* %v11, i32 0, i32 3 |
| 50 | %v13 = load i32, i32* %v12, align 4 |
| 51 | %v14 = add i32 %v13, -1 |
| 52 | store i32 %v14, i32* %v12, align 4 |
| 53 | %v15 = icmp sgt i32 %v14, 0 |
| 54 | br i1 %v15, label %b7, label %b8 |
| 55 | |
| 56 | b7: ; preds = %b6 |
| 57 | br label %b11 |
| 58 | |
| 59 | b8: ; preds = %b6 |
| 60 | %v16 = load %s.1*, %s.1** %v0, align 4 |
| 61 | %v17 = getelementptr inbounds %s.1, %s.1* %v16, i32 0, i32 0 |
| 62 | %v18 = load i8*, i8** %v17, align 4 |
| 63 | %v19 = load %s.1*, %s.1** %v0, align 4 |
| 64 | %v20 = getelementptr inbounds %s.1, %s.1* %v19, i32 0, i32 4 |
| 65 | %v21 = getelementptr inbounds [0 x i8], [0 x i8]* %v20, i32 0, i32 0 |
| 66 | %v22 = icmp ne i8* %v18, %v21 |
| 67 | br i1 %v22, label %b9, label %b10 |
| 68 | |
| 69 | b9: ; preds = %b8 |
| 70 | %v23 = load %s.0*, %s.0** @g4, align 4 |
| 71 | %v24 = load %s.1*, %s.1** %v0, align 4 |
| 72 | %v25 = getelementptr inbounds %s.1, %s.1* %v24, i32 0, i32 0 |
| 73 | %v26 = load i8*, i8** %v25, align 4 |
| 74 | call void @f3(%s.0* %v23, i8* %v26) |
| 75 | %v27 = load %s.1*, %s.1** %v0, align 4 |
| 76 | %v28 = bitcast %s.1* %v27 to i8* |
| 77 | call void @f4(i8* %v28) |
| 78 | br label %b11 |
| 79 | |
| 80 | b10: ; preds = %b8 |
| 81 | %v29 = load %s.0*, %s.0** @g4, align 4 |
| 82 | %v30 = load %s.1*, %s.1** %v0, align 4 |
| 83 | %v31 = bitcast %s.1* %v30 to i8* |
| 84 | call void @f3(%s.0* %v29, i8* %v31) |
| 85 | br label %b11 |
| 86 | |
| 87 | b11: ; preds = %b10, %b9, %b7 |
| 88 | ret void |
| 89 | } |
| 90 | |
| 91 | ; Function Attrs: nounwind readnone |
| 92 | declare i32 @llvm.expect.i32(i32, i32) #1 |
| 93 | |
| 94 | ; Function Attrs: nounwind |
| 95 | declare i32 @f1(i8*, ...) #0 |
| 96 | |
| 97 | ; Function Attrs: noreturn |
| 98 | declare void @f2(i8*, ...) #2 |
| 99 | |
| 100 | ; Function Attrs: nounwind |
| 101 | declare void @f3(%s.0*, i8*) #0 |
| 102 | |
| 103 | ; Function Attrs: nounwind |
| 104 | declare void @f4(i8*) #0 |
| 105 | |
| 106 | attributes #0 = { nounwind } |
| 107 | attributes #1 = { nounwind readnone } |
| 108 | attributes #2 = { noreturn } |
| 109 | |
| 110 | !0 = distinct !{!0, !1} |
| 111 | !1 = !{!"llvm.loop.threadify", i32 101214632} |