| Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -function-sections < %s | FileCheck %s |
| 2 | ; CHECK: if (!p0) |
| 3 | ; CHECK-NOT: if (p0.new) |
| 4 | ; CHECK: { |
| 5 | |
| 6 | target triple = "hexagon-unknown--elf" |
| 7 | |
| 8 | %s.0 = type { i8*, i8* } |
| 9 | %s.1 = type { i8, [2 x %s.2*] } |
| 10 | %s.2 = type { i32, i32 } |
| 11 | |
| 12 | @g0 = internal constant %s.0 zeroinitializer, align 4 |
| 13 | |
| 14 | ; Function Attrs: minsize nounwind |
| 15 | define i32 @f0(%s.1* %a0) #0 { |
| 16 | b0: |
| 17 | %v0 = tail call i32 @f1(%s.1* %a0, i32 0) |
| 18 | ret i32 %v0 |
| 19 | } |
| 20 | |
| 21 | ; Function Attrs: minsize nounwind |
| 22 | define internal i32 @f1(%s.1* %a0, i32 %a1) #0 { |
| 23 | b0: |
| 24 | %v0 = icmp eq %s.1* %a0, null |
| 25 | br i1 %v0, label %b4, label %b1 |
| 26 | |
| 27 | b1: ; preds = %b0 |
| 28 | %v1 = icmp eq i32 %a1, 1 |
| 29 | br i1 %v1, label %b3, label %b2 |
| 30 | |
| 31 | b2: ; preds = %b1 |
| 32 | tail call void @f2(%s.0* null) #3 |
| 33 | unreachable |
| 34 | |
| 35 | b3: ; preds = %b1 |
| 36 | tail call void @f2(%s.0* @g0) #3 |
| 37 | unreachable |
| 38 | |
| 39 | b4: ; preds = %b0 |
| 40 | %v2 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0 |
| 41 | %v3 = icmp eq %s.2* %v2, null |
| 42 | br i1 %v3, label %b5, label %b6 |
| 43 | |
| 44 | b5: ; preds = %b4 |
| 45 | tail call void @f3(i32 0) #4 |
| 46 | br label %b10 |
| 47 | |
| 48 | b6: ; preds = %b4 |
| 49 | %v4 = tail call zeroext i8 @f4(%s.1* null) #4 |
| 50 | %v5 = icmp eq i8 %v4, 0 |
| 51 | br i1 %v5, label %b7, label %b8 |
| 52 | |
| 53 | b7: ; preds = %b6 |
| 54 | tail call void @f3(i32 0) #4 |
| 55 | br label %b9 |
| 56 | |
| 57 | b8: ; preds = %b6 |
| 58 | %v6 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0 |
| 59 | %v7 = icmp eq i32 %a1, 1 |
| 60 | %v8 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 1 |
| 61 | %v9 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 0 |
| 62 | %v10 = select i1 %v7, i32* %v8, i32* %v9 |
| 63 | %v11 = tail call i32 @f5(i32* %v10) #4 |
| 64 | br label %b9 |
| 65 | |
| 66 | b9: ; preds = %b8, %b7 |
| 67 | %v12 = phi i32 [ 0, %b7 ], [ %v11, %b8 ] |
| 68 | tail call void @f3(i32 %v12) #4 |
| 69 | br label %b10 |
| 70 | |
| 71 | b10: ; preds = %b9, %b5 |
| 72 | %v13 = phi i32 [ 0, %b5 ], [ %v12, %b9 ] |
| 73 | ret i32 %v13 |
| 74 | } |
| 75 | |
| 76 | ; Function Attrs: noreturn optsize |
| 77 | declare void @f2(%s.0*) #1 |
| 78 | |
| 79 | ; Function Attrs: optsize |
| 80 | declare void @f3(i32) #2 |
| 81 | |
| 82 | ; Function Attrs: optsize |
| 83 | declare zeroext i8 @f4(%s.1*) #2 |
| 84 | |
| 85 | ; Function Attrs: optsize |
| 86 | declare i32 @f5(i32*) #2 |
| 87 | |
| 88 | ; Function Attrs: minsize nounwind |
| 89 | define i32 @f6(%s.1* %a0) #0 { |
| 90 | b0: |
| 91 | %v0 = tail call i32 @f1(%s.1* %a0, i32 1) |
| 92 | ret i32 %v0 |
| 93 | } |
| 94 | |
| 95 | attributes #0 = { minsize nounwind } |
| 96 | attributes #1 = { noreturn optsize } |
| 97 | attributes #2 = { optsize } |
| 98 | attributes #3 = { noreturn nounwind optsize } |
| 99 | attributes #4 = { nounwind optsize } |
| 100 | |
| 101 | !0 = !{!1, !1, i64 0} |
| 102 | !1 = !{!"any pointer", !2, i64 0} |
| 103 | !2 = !{!"omnipotent char", !3, i64 0} |
| 104 | !3 = !{!"Simple C/C++ TBAA"} |