1 ; RUN: opt -S -passes=mem2reg <%s | FileCheck %s
2 ; RUN: opt -S -passes=mem2reg <%s --try-experimental-debuginfo-iterators | FileCheck %s
4 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
6 declare void @foo(i32, i64, ptr)
8 define void @baz(i32 %a) nounwind ssp !dbg !1 {
10 ; CHECK-NEXT: %"alloca point" = bitcast i32 0 to i32{{$}}
11 ; CHECK-NEXT: #dbg_value(i32 %a,{{.*}},
12 ; CHECK-NEXT: #dbg_value(i32 %a,{{.*}},
13 ; CHECK-NEXT: #dbg_value(i64 55,{{.*}},
14 ; CHECK-NEXT: #dbg_value(ptr @baz,{{.*}},
15 ; CHECK-NEXT: call void @foo({{.*}}, !dbg
16 ; CHECK-NEXT: br label %return, !dbg
18 %x_addr.i = alloca i32 ; <ptr> [#uses=2]
19 %y_addr.i = alloca i64 ; <ptr> [#uses=2]
20 %z_addr.i = alloca ptr ; <ptr> [#uses=2]
21 %a_addr = alloca i32 ; <ptr> [#uses=2]
22 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
23 call void @llvm.dbg.declare(metadata ptr %a_addr, metadata !0, metadata !DIExpression()), !dbg !7
24 store i32 %a, ptr %a_addr
25 %0 = load i32, ptr %a_addr, align 4, !dbg !8 ; <i32> [#uses=1]
26 call void @llvm.dbg.declare(metadata ptr %x_addr.i, metadata !9, metadata !DIExpression()) nounwind, !dbg !15
27 store i32 %0, ptr %x_addr.i
28 call void @llvm.dbg.declare(metadata ptr %y_addr.i, metadata !16, metadata !DIExpression()) nounwind, !dbg !15
29 store i64 55, ptr %y_addr.i
30 call void @llvm.dbg.declare(metadata ptr %z_addr.i, metadata !17, metadata !DIExpression()) nounwind, !dbg !15
31 store ptr @baz, ptr %z_addr.i
32 %1 = load i32, ptr %x_addr.i, align 4, !dbg !18 ; <i32> [#uses=1]
33 %2 = load i64, ptr %y_addr.i, align 8, !dbg !18 ; <i64> [#uses=1]
34 %3 = load ptr, ptr %z_addr.i, align 8, !dbg !18 ; <ptr> [#uses=1]
35 call void @foo(i32 %1, i64 %2, ptr %3) nounwind, !dbg !18
36 br label %return, !dbg !19
38 ; CHECK-LABEL: return:
39 ; CHECK-NEXT: ret void, !dbg
40 return: ; preds = %entry
45 !llvm.module.flags = !{!22}
46 !0 = !DILocalVariable(name: "a", line: 8, arg: 1, scope: !1, file: !2, type: !6)
47 !1 = distinct !DISubprogram(name: "baz", linkageName: "baz", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 8, file: !20, scope: !2, type: !4)
48 !2 = !DIFile(filename: "bar.c", directory: "/tmp/")
49 !3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !20, enums: !21, retainedTypes: !21)
50 !4 = !DISubroutineType(types: !5)
52 !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
53 !7 = !DILocation(line: 8, scope: !1)
54 !8 = !DILocation(line: 9, scope: !1)
55 !9 = !DILocalVariable(name: "x", line: 4, arg: 1, scope: !10, file: !2, type: !6)
56 !10 = distinct !DISubprogram(name: "bar", linkageName: "bar", line: 4, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 4, file: !20, scope: !2, type: !11)
57 !11 = !DISubroutineType(types: !12)
58 !12 = !{null, !6, !13, !14}
59 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
60 !14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !20, scope: !2, baseType: null)
61 !15 = !DILocation(line: 4, scope: !10, inlinedAt: !8)
62 !16 = !DILocalVariable(name: "y", line: 4, arg: 2, scope: !10, file: !2, type: !13)
63 !17 = !DILocalVariable(name: "z", line: 4, arg: 3, scope: !10, file: !2, type: !14)
64 !18 = !DILocation(line: 5, scope: !10, inlinedAt: !8)
65 !19 = !DILocation(line: 10, scope: !1)
66 !20 = !DIFile(filename: "bar.c", directory: "/tmp/")
68 !22 = !{i32 1, !"Debug Info Version", i32 3}