1 # RUN: llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s | FileCheck %s
2 # This test ensures that the MIR parser parses the machine instruction's
3 # debug location metadata correctly.
7 define i32 @test(i32 %x) #0 !dbg !4 {
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
16 define i32 @test_typed_immediates(i32 %x) #0 {
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
25 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
27 attributes #0 = { nounwind "no-frame-pointer-elim"="false" }
28 attributes #1 = { nounwind readnone }
31 !llvm.module.flags = !{!9, !10}
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: "")
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)
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)
48 !14 = !DILocation(line: 4, scope: !4)
49 !15 = !DILocation(line: 8, scope: !4)
55 tracksRegLiveness: true
57 - { id: 0, class: gr32 }
61 - { id: 0, name: x.addr, size: 4, alignment: 4 }
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
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
75 name: test_typed_immediates
77 tracksRegLiveness: true
79 - { id: 0, class: gr32 }
83 - { id: 0, name: x.addr, size: 4, alignment: 4 }
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