1 ; RUN: opt %s -O2 -S -o - | FileCheck %s
2 ; Verify that we emit the same intrinsic at most once.
3 ; rdar://problem/13056109
5 ; CHECK: call void @llvm.dbg.value(metadata %struct.i14** %p
6 ; CHECK-NOT: call void @llvm.dbg.value(metadata %struct.i14** %p
7 ; CHECK-NEXT: call i32 @foo
24 ; ModuleID = 'instcombine_intrinsics.c'
25 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
26 target triple = "x86_64-apple-macosx10.9.0"
28 %struct.i14 = type { i64 }
30 ; Function Attrs: nounwind ssp uwtable
31 define void @init() #0 !dbg !4 {
32 %p = alloca %struct.i14*, align 8
33 call void @llvm.dbg.declare(metadata %struct.i14** %p, metadata !11, metadata !DIExpression()), !dbg !18
34 store %struct.i14* null, %struct.i14** %p, align 8, !dbg !18
35 %1 = call i32 @foo(%struct.i14** %p), !dbg !19
36 %2 = load %struct.i14*, %struct.i14** %p, align 8, !dbg !20
37 %3 = getelementptr inbounds %struct.i14, %struct.i14* %2, i32 0, i32 0, !dbg !20
38 %4 = load i64, i64* %3, align 8, !dbg !20
39 %5 = or i64 %4, 4, !dbg !20
40 store i64 %5, i64* %3, align 8, !dbg !20
41 %6 = call i32 @foo(%struct.i14** %p), !dbg !21
45 ; Function Attrs: nounwind readnone
46 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
48 declare i32 @foo(%struct.i14**)
50 attributes #0 = { nounwind ssp uwtable }
51 attributes #1 = { nounwind readnone }
54 !llvm.module.flags = !{!8, !9}
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: "")
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)
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)
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)