| ; 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 |
| ; Test that we correctly lower dbg.declares for arrays. |
| ; |
| ; CHECK: define i32 @main |
| ; CHECK: call void @llvm.dbg.value(metadata i32 42, metadata ![[ARRAY:[0-9]+]], metadata !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) |