1# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
2# This test ensures that the MIR parser parses the machine instruction's
3# debug location metadata correctly.
4
5--- |
6
7  define i32 @test(i32 %x) #0 !dbg !4 {
8  entry:
9    %x.addr = alloca i32, align 4
10    store i32 %x, i32* %x.addr, align 4
11    call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
12    %0 = load i32, i32* %x.addr, align 4, !dbg !14
13    ret i32 %0, !dbg !14
14  }
15
16  define i32 @test_typed_immediates(i32 %x) #0 {
17  entry:
18    %x.addr = alloca i32, align 4
19    store i32 %x, i32* %x.addr, align 4
20    call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
21    %0 = load i32, i32* %x.addr, align 4, !dbg !14
22    ret i32 %0, !dbg !14
23  }
24
25  declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
26
27  attributes #0 = { nounwind "no-frame-pointer-elim"="false" }
28  attributes #1 = { nounwind readnone }
29
30  !llvm.dbg.cu = !{!0}
31  !llvm.module.flags = !{!9, !10}
32  !llvm.ident = !{!11}
33
34  !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
35  !1 = !DIFile(filename: "test.ll", directory: "")
36  !2 = !{}
37  !4 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
38  !5 = !DIFile(filename: "test.c", directory: "")
39  !6 = !DISubroutineType(types: !7)
40  !7 = !{!8, !8}
41  !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
42  !9 = !{i32 2, !"Dwarf Version", i32 4}
43  !10 = !{i32 2, !"Debug Info Version", i32 3}
44  !11 = !{!"clang version 3.7.0"}
45  !12 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !5, line: 4, type: !8)
46  !13 = !DILocation(line: 4, scope: !4)
47  !14 = !DILocation(line: 8, scope: !4)
48
49...
50---
51name:            test
52tracksRegLiveness: true
53registers:
54  - { id: 0, class: gr32 }
55frameInfo:
56  maxAlignment:  4
57stack:
58  - { id: 0, name: x.addr, size: 4, alignment: 4 }
59body: |
60  bb.0.entry:
61    liveins: $edi
62    ; CHECK: DBG_VALUE debug-use $noreg, 0, !11, !DIExpression(), debug-location !12
63    ; CHECK: $eax = COPY %0, debug-location !13
64    ; CHECK: RETQ $eax, debug-location !13
65    %0 = COPY $edi
66    DBG_VALUE debug-use _, 0, !12, !DIExpression(), debug-location !13
67    MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
68    $eax = COPY %0, debug-location !14
69    RETQ $eax, debug-location !14
70...
71---
72name:            test_typed_immediates
73tracksRegLiveness: true
74registers:
75  - { id: 0, class: gr32 }
76frameInfo:
77  maxAlignment:  4
78stack:
79  - { id: 0, name: x.addr, size: 4, alignment: 4 }
80body: |
81  bb.0.entry:
82    liveins: $edi
83
84    %0 = COPY $edi
85  ; CHECK:      DBG_VALUE $noreg, i32 0, !DIExpression(), !12
86  ; CHECK-NEXT: DBG_VALUE $noreg, i64 -22, !DIExpression(), !12
87  ; CHECK-NEXT: DBG_VALUE $noreg, i128 123492148938512984928424384934328985928, !DIExpression(), !12
88    DBG_VALUE _, i32 0, !DIExpression(), !13
89    DBG_VALUE _, i64 -22, !DIExpression(), !13
90    DBG_VALUE _, i128 123492148938512984928424384934328985928, !DIExpression(), !13
91    MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
92    $eax = COPY %0
93    RETQ $eax
94...
95