1 ; RUN: llc -filetype=asm < %s | FileCheck %s 2 ; RUN: llc -filetype=obj < %s \ 3 ; RUN: | llvm-dwarfdump -debug-info - | FileCheck %s --check-prefix=DWARF 4 ; 5 ; CHECK: @DEBUG_VALUE: h:x <- [DW_OP_plus_uconst {{.*}}] [$r{{.*}}+0] 6 ; DWARF: DW_TAG_formal_parameter 7 ; DWARF: DW_AT_location 8 ; DWARF-NEXT: DW_OP_reg0 R0 9 ; DWARF: DW_TAG_formal_parameter 10 ; DWARF: DW_AT_location 11 ; DWARF-NEXT: DW_OP_reg1 R1 12 ; DWARF: DW_TAG_formal_parameter 13 ; DWARF: DW_AT_location 14 ; DWARF-NEXT: DW_OP_reg2 R2 15 ; DWARF: DW_TAG_formal_parameter 16 ; DWARF: DW_AT_location 17 ; DWARF-NEXT: DW_OP_reg3 R3 18 ; DWARF: DW_TAG_formal_parameter 19 ; DWARF: DW_AT_location 20 ; DWARF-NEXT: DW_OP_breg7 R7+8 21 ; generated from: 22 ; clang -cc1 -triple thumbv7 -S -O1 arm.cpp -g 23 ; 24 ; int f(); 25 ; void g(float); 26 ; void h(int, int, int, int, float x) { 27 ; g(x = f()); 28 ; } 29 ; 30 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:32-n32-S64" 31 target triple = "thumbv7-apple-ios" 32 33 ; Function Attrs: nounwind 34 define arm_aapcscc void @_Z1hiiiif(i32, i32, i32, i32, float %x) #0 "no-frame-pointer-elim"="true" !dbg !4 { 35 entry: 36 tail call void @llvm.dbg.value(metadata i32 %0, metadata !12, metadata !DIExpression()), !dbg !18 37 tail call void @llvm.dbg.value(metadata i32 %1, metadata !13, metadata !DIExpression()), !dbg !18 38 tail call void @llvm.dbg.value(metadata i32 %2, metadata !14, metadata !DIExpression()), !dbg !18 39 tail call void @llvm.dbg.value(metadata i32 %3, metadata !15, metadata !DIExpression()), !dbg !18 40 tail call void @llvm.dbg.value(metadata float %x, metadata !16, metadata !DIExpression()), !dbg !18 41 %call = tail call arm_aapcscc i32 @_Z1fv() #3, !dbg !19 42 %conv = sitofp i32 %call to float, !dbg !19 43 tail call void @llvm.dbg.value(metadata float %conv, metadata !16, metadata !DIExpression()), !dbg !19 44 tail call arm_aapcscc void @_Z1gf(float %conv) #3, !dbg !19 45 ret void, !dbg !20 46 } 47 48 declare arm_aapcscc void @_Z1gf(float) 49 50 declare arm_aapcscc i32 @_Z1fv() 51 52 ; Function Attrs: nounwind readnone 53 declare void @llvm.dbg.value(metadata, metadata, metadata) #2 54 55 attributes #0 = { nounwind } 56 attributes #2 = { nounwind readnone } 57 attributes #3 = { nounwind } 58 59 !llvm.dbg.cu = !{!0} 60 !llvm.module.flags = !{!17, !21} 61 62 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (trunk 190804) (llvm/trunk 190797)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 63 !1 = !DIFile(filename: "/<unknown>", directory: "") 64 !2 = !{} 65 !4 = distinct !DISubprogram(name: "h", linkageName: "_Z1hiiiif", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !5, scope: !6, type: !7, retainedNodes: !11) 66 !5 = !DIFile(filename: "/arm.cpp", directory: "") 67 !6 = !DIFile(filename: "/arm.cpp", directory: "") 68 !7 = !DISubroutineType(types: !8) 69 !8 = !{null, !9, !9, !9, !9, !10} 70 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 71 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float) 72 !11 = !{!12, !13, !14, !15, !16} 73 !12 = !DILocalVariable(name: "", line: 3, arg: 1, scope: !4, file: !6, type: !9) 74 !13 = !DILocalVariable(name: "", line: 3, arg: 2, scope: !4, file: !6, type: !9) 75 !14 = !DILocalVariable(name: "", line: 3, arg: 3, scope: !4, file: !6, type: !9) 76 !15 = !DILocalVariable(name: "", line: 3, arg: 4, scope: !4, file: !6, type: !9) 77 !16 = !DILocalVariable(name: "x", line: 3, arg: 5, scope: !4, file: !6, type: !10) 78 !17 = !{i32 2, !"Dwarf Version", i32 4} 79 !18 = !DILocation(line: 3, scope: !4) 80 !19 = !DILocation(line: 4, scope: !4) 81 !20 = !DILocation(line: 5, scope: !4) 82 !21 = !{i32 1, !"Debug Info Version", i32 3} 83
