; ModuleID = 'array.c'
;
; From (clang -g -c -O0):
;
; void f(int* p) {
; p[0] = 42;
; }
;
; int main(int argc, char** argv) {
; int array[4] = { 0, 1, 2, 3 };
; f(array);
; return array[0];
; }
;
; RUN: opt %s -O2 -S -o - | FileCheck %s
; RUN: opt --try-experimental-debuginfo-iterators %s -O2 -S -o - | FileCheck %s
; Test that we correctly lower dbg.declares for arrays.
;
; CHECK: define noundef i32 @main
; CHECK: #dbg_value(i32 42, ![[ARRAY:[0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 32),
; CHECK: ![[ARRAY]] = !DILocalVariable(name: "array",{{.*}} line: 6
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"
@main.array = private unnamed_addr constant [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 16
; Function Attrs: nounwind ssp uwtable
define void @f(ptr %p) #0 !dbg !4 {
entry:
%p.addr = alloca ptr, align 8
store ptr %p, ptr %p.addr, align 8
call void @llvm.dbg.declare(metadata ptr %p.addr, metadata !19, metadata !DIExpression()), !dbg !20
%0 = load ptr, ptr %p.addr, align 8, !dbg !21
store i32 42, ptr %0, align 4, !dbg !21
ret void, !dbg !22
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind ssp uwtable
define i32 @main(i32 %argc, ptr %argv) #0 !dbg !10 {
entry:
%retval = alloca i32, align 4
%argc.addr = alloca i32, align 4
%argv.addr = alloca ptr, align 8
%array = alloca [4 x i32], align 16
store i32 0, ptr %retval
store i32 %argc, ptr %argc.addr, align 4
call void @llvm.dbg.declare(metadata ptr %argc.addr, metadata !23, metadata !DIExpression()), !dbg !24
store ptr %argv, ptr %argv.addr, align 8
call void @llvm.dbg.declare(metadata ptr %argv.addr, metadata !25, metadata !DIExpression()), !dbg !24
call void @llvm.dbg.declare(metadata ptr %array, metadata !26, metadata !DIExpression()), !dbg !30
call void @llvm.memcpy.p0.p0.i64(ptr align 16 %array, ptr align 16 @main.array, i64 16, i1 false), !dbg !30
call void @f(ptr %array), !dbg !31
%0 = load i32, ptr %array, align 4, !dbg !32
ret i32 %0, !dbg !32
}
; Function Attrs: nounwind
declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #2
attributes #0 = { nounwind ssp uwtable }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!16, !17}
!llvm.ident = !{!18}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
!1 = !DIFile(filename: "array.c", directory: "")
!2 = !{}
!4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
!5 = !DIFile(filename: "array.c", directory: "")
!6 = !DISubroutineType(types: !7)
!7 = !{null, !8}
!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = distinct !DISubprogram(name: "main", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !11, retainedNodes: !2)
!11 = !DISubroutineType(types: !12)
!12 = !{!9, !9, !13}
!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !14)
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !15)
!15 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!16 = !{i32 2, !"Dwarf Version", i32 2}
!17 = !{i32 1, !"Debug Info Version", i32 3}
!18 = !{!"clang version 3.5.0 "}
!19 = !DILocalVariable(name: "p", line: 1, arg: 1, scope: !4, file: !5, type: !8)
!20 = !DILocation(line: 1, scope: !4)
!21 = !DILocation(line: 2, scope: !4)
!22 = !DILocation(line: 3, scope: !4)
!23 = !DILocalVariable(name: "argc", line: 5, arg: 1, scope: !10, file: !5, type: !9)
!24 = !DILocation(line: 5, scope: !10)
!25 = !DILocalVariable(name: "argv", line: 5, arg: 2, scope: !10, file: !5, type: !13)
!26 = !DILocalVariable(name: "array", line: 6, scope: !10, file: !5, type: !27)
!27 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !9, elements: !28)
!28 = !{!29}
!29 = !DISubrange(count: 4)
!30 = !DILocation(line: 6, scope: !10)
!31 = !DILocation(line: 7, scope: !10)
!32 = !DILocation(line: 8, scope: !10)
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