1; RUN: opt %s -O2 -S -o - | FileCheck %s 2; RUN: opt --try-experimental-debuginfo-iterators %s -O2 -S -o - | FileCheck %s 3; Verify that we emit the same intrinsic at most once. 4; rdar://problem/13056109 5; 6; CHECK: #dbg_value(ptr %p 7; CHECK-NOT: #dbg_value(ptr %p 8; CHECK-NEXT: call i32 @foo 9; CHECK: ret 10; 11; 12; typedef struct { 13; long i; 14; } i14; 15; 16; int foo(ptr); 17; 18; void init() { 19; ptr p = 0; 20; foo(&p); 21; p->i |= 4; 22; foo(&p); 23; } 24; 25; ModuleID = 'instcombine_intrinsics.c' 26target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 27target triple = "x86_64-apple-macosx10.9.0" 28 29%struct.i14 = type { i64 } 30 31; Function Attrs: nounwind ssp uwtable 32define void @init() #0 !dbg !4 { 33 %p = alloca ptr, align 8 34 call void @llvm.dbg.declare(metadata ptr %p, metadata !11, metadata !DIExpression()), !dbg !18 35 store ptr null, ptr %p, align 8, !dbg !18 36 %1 = call i32 @foo(ptr %p), !dbg !19 37 %2 = load ptr, ptr %p, align 8, !dbg !20 38 %3 = load i64, ptr %2, align 8, !dbg !20 39 %4 = or i64 %3, 4, !dbg !20 40 store i64 %4, ptr %2, align 8, !dbg !20 41 %5 = call i32 @foo(ptr %p), !dbg !21 42 ret void, !dbg !22 43} 44 45; Function Attrs: nounwind readnone 46declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 47 48declare i32 @foo(ptr) 49 50attributes #0 = { nounwind ssp uwtable } 51attributes #1 = { nounwind readnone } 52 53!llvm.dbg.cu = !{!0} 54!llvm.module.flags = !{!8, !9} 55!llvm.ident = !{!10} 56 57!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) 58!1 = !DIFile(filename: "instcombine_intrinsics.c", directory: "") 59!2 = !{} 60!4 = distinct !DISubprogram(name: "init", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2) 61!5 = !DIFile(filename: "instcombine_intrinsics.c", directory: "") 62!6 = !DISubroutineType(types: !7) 63!7 = !{null} 64!8 = !{i32 2, !"Dwarf Version", i32 2} 65!9 = !{i32 1, !"Debug Info Version", i32 3} 66!10 = !{!"clang version 3.5.0 "} 67!11 = !DILocalVariable(name: "p", line: 8, scope: !4, file: !5, type: !12) 68!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !13) 69!13 = !DIDerivedType(tag: DW_TAG_typedef, name: "i14", line: 3, file: !1, baseType: !14) 70!14 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 64, align: 64, file: !1, elements: !15) 71!15 = !{!16} 72!16 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 2, size: 64, align: 64, file: !1, scope: !14, baseType: !17) 73!17 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 74!18 = !DILocation(line: 8, scope: !4) 75!19 = !DILocation(line: 9, scope: !4) 76!20 = !DILocation(line: 10, scope: !4) 77!21 = !DILocation(line: 11, scope: !4) 78!22 = !DILocation(line: 12, scope: !4) 79