xref: /llvm-project/llvm/test/DebugInfo/X86/dbg-byval-parameter.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898)
1; RUN: llc -mtriple=x86_64 -asm-verbose < %s | grep DW_TAG_formal_parameter
2
3
4%struct.Pt = type { double, double }
5%struct.Rect = type { %struct.Pt, %struct.Pt }
6
7define double @foo(ptr byval(%struct.Rect) %my_r0) nounwind ssp !dbg !1 {
8entry:
9  %retval = alloca double                         ; <ptr> [#uses=2]
10  %0 = alloca double                              ; <ptr> [#uses=2]
11  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
12  call void @llvm.dbg.declare(metadata ptr %my_r0, metadata !0, metadata !DIExpression()), !dbg !15
13  %1 = load double, ptr %my_r0, align 8, !dbg !16         ; <double> [#uses=1]
14  store double %1, ptr %0, align 8, !dbg !16
15  %2 = load double, ptr %0, align 8, !dbg !16         ; <double> [#uses=1]
16  store double %2, ptr %retval, align 8, !dbg !16
17  br label %return, !dbg !16
18
19return:                                           ; preds = %entry
20  %retval1 = load double, ptr %retval, !dbg !16       ; <double> [#uses=1]
21  ret double %retval1, !dbg !16
22}
23
24declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
25
26!llvm.dbg.cu = !{!3}
27!llvm.module.flags = !{!21}
28
29!0 = !DILocalVariable(name: "my_r0", line: 11, arg: 1, scope: !1, file: !2, type: !7)
30!1 = distinct !DISubprogram(name: "foo", linkageName: "foo", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, file: !19, scope: !2, type: !4)
31!2 = !DIFile(filename: "b2.c", directory: "/tmp/")
32!3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: FullDebug, file: !19, enums: !20, retainedTypes: !20, imports:  null)
33!4 = !DISubroutineType(types: !5)
34!5 = !{!6, !7}
35!6 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
36!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Rect", line: 6, size: 256, align: 64, file: !19, scope: !2, elements: !8)
37!8 = !{!9, !14}
38!9 = !DIDerivedType(tag: DW_TAG_member, name: "P1", line: 7, size: 128, align: 64, file: !19, scope: !7, baseType: !10)
39!10 = !DICompositeType(tag: DW_TAG_structure_type, name: "Pt", line: 1, size: 128, align: 64, file: !19, scope: !2, elements: !11)
40!11 = !{!12, !13}
41!12 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 64, align: 64, file: !19, scope: !10, baseType: !6)
42!13 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 3, size: 64, align: 64, offset: 64, file: !19, scope: !10, baseType: !6)
43!14 = !DIDerivedType(tag: DW_TAG_member, name: "P2", line: 8, size: 128, align: 64, offset: 128, file: !19, scope: !7, baseType: !10)
44!15 = !DILocation(line: 11, scope: !1)
45!16 = !DILocation(line: 12, scope: !17)
46!17 = distinct !DILexicalBlock(line: 11, column: 0, file: !19, scope: !1)
47!19 = !DIFile(filename: "b2.c", directory: "/tmp/")
48!20 = !{}
49!21 = !{i32 1, !"Debug Info Version", i32 3}
50