1# RUN: llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | 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 !13), !dbg !14
12    %0 = load i32, i32* %x.addr, align 4, !dbg !15
13    ret i32 %0, !dbg !15
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 !13), !dbg !14
21    %0 = load i32, i32* %x.addr, align 4, !dbg !15
22    ret i32 %0, !dbg !15
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: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
35  !1 = !DIFile(filename: "test.ll", directory: "")
36  !2 = !{}
37  !3 = !{!4}
38  !4 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
39  !5 = !DIFile(filename: "test.c", directory: "")
40  !6 = !DISubroutineType(types: !7)
41  !7 = !{!8, !8}
42  !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
43  !9 = !{i32 2, !"Dwarf Version", i32 4}
44  !10 = !{i32 2, !"Debug Info Version", i32 3}
45  !11 = !{!"clang version 3.7.0"}
46  !12 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !5, line: 4, type: !8)
47  !13 = !DIExpression()
48  !14 = !DILocation(line: 4, scope: !4)
49  !15 = !DILocation(line: 8, scope: !4)
50
51...
52---
53name:            test
54isSSA:           true
55tracksRegLiveness: true
56registers:
57  - { id: 0, class: gr32 }
58frameInfo:
59  maxAlignment:  4
60stack:
61  - { id: 0, name: x.addr, size: 4, alignment: 4 }
62body: |
63  bb.0.entry:
64    liveins: %edi
65    ; CHECK: DBG_VALUE debug-use _, 0, !12, !13, debug-location !14
66    ; CHECK: %eax = COPY %0, debug-location !15
67    ; CHECK: RETQ %eax, debug-location !15
68    %0 = COPY %edi
69    DBG_VALUE debug-use _, 0, !12, !13, debug-location !14
70    MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
71    %eax = COPY %0, debug-location !15
72    RETQ %eax, debug-location !15
73...
74---
75name:            test_typed_immediates
76isSSA:           true
77tracksRegLiveness: true
78registers:
79  - { id: 0, class: gr32 }
80frameInfo:
81  maxAlignment:  4
82stack:
83  - { id: 0, name: x.addr, size: 4, alignment: 4 }
84body: |
85  bb.0.entry:
86    liveins: %edi
87
88    %0 = COPY %edi
89  ; CHECK:      DBG_VALUE _, i32 0, !12, !13
90  ; CHECK-NEXT: DBG_VALUE _, i64 -22, !12, !13
91  ; CHECK-NEXT: DBG_VALUE _, i128 123492148938512984928424384934328985928, !12, !13
92    DBG_VALUE _, i32 0, !12, !13
93    DBG_VALUE _, i64 -22, !12, !13
94    DBG_VALUE _, i128 123492148938512984928424384934328985928, !12, !13
95    MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
96    %eax = COPY %0
97    RETQ %eax
98...
99