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 metadata machine operands 3 # 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 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 17 18 attributes #0 = { nounwind "no-frame-pointer-elim"="false" } 19 attributes #1 = { nounwind readnone } 20 21 !llvm.dbg.cu = !{!0} 22 !llvm.module.flags = !{!9, !10} 23 !llvm.ident = !{!11} 24 25 !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) 26 !1 = !DIFile(filename: "test.ll", directory: "") 27 !2 = !{} 28 !3 = !{!4} 29 !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) 30 !5 = !DIFile(filename: "test.c", directory: "") 31 !6 = !DISubroutineType(types: !7) 32 !7 = !{!8, !8} 33 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 34 !9 = !{i32 2, !"Dwarf Version", i32 4} 35 !10 = !{i32 2, !"Debug Info Version", i32 3} 36 !11 = !{!"clang version 3.7.0"} 37 !12 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !5, line: 4, type: !8) 38 !13 = !DIExpression() 39 !14 = !DILocation(line: 4, scope: !4) 40 !15 = !DILocation(line: 8, scope: !4) 41 42 ... 43 --- 44 name: test 45 isSSA: true 46 tracksRegLiveness: true 47 registers: 48 - { id: 0, class: gr32 } 49 frameInfo: 50 maxAlignment: 4 51 stack: 52 - { id: 0, name: x.addr, size: 4, alignment: 4 } 53 body: | 54 bb.0.entry: 55 liveins: %edi 56 ; CHECK: %0 = COPY %edi 57 ; CHECK-NEXT: DBG_VALUE _, 0, !12, !13 58 %0 = COPY %edi 59 DBG_VALUE _, 0, !12, ! 13 60 MOV32mr %stack.0.x.addr, 1, _, 0, _, %0 61 %eax = COPY %0 62 RETQ %eax 63 ... 64
