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. 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 --- 53 name: test 54 isSSA: true 55 tracksRegLiveness: true 56 registers: 57 - { id: 0, class: gr32 } 58 frameInfo: 59 maxAlignment: 4 60 stack: 61 - { id: 0, name: x.addr, size: 4, alignment: 4 } 62 body: | 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 --- 75 name: test_typed_immediates 76 isSSA: true 77 tracksRegLiveness: true 78 registers: 79 - { id: 0, class: gr32 } 80 frameInfo: 81 maxAlignment: 4 82 stack: 83 - { id: 0, name: x.addr, size: 4, alignment: 4 } 84 body: | 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
