1 ; Test that alloca merging in the inliner places dbg.declare calls immediately
2 ; after the merged alloca. Not at the end of the entry BB, and definitely not
5 ; clang -g -S -emit-llvm -Xclang -disable-llvm-optzns
7 ;__attribute__((always_inline)) void f() {
12 ;__attribute__((always_inline)) void g() {
22 ; RUN: opt -always-inline -S < %s | FileCheck %s
24 ; CHECK: define void @h()
26 ; CHECK-NEXT: %[[AI:.*]] = alloca [100 x i8]
27 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [100 x i8]* %[[AI]],
28 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [100 x i8]* %[[AI]],
31 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
32 target triple = "x86_64-unknown-linux-gnu"
34 ; Function Attrs: alwaysinline nounwind uwtable
35 define void @f() #0 !dbg !4 {
37 %aaa = alloca [100 x i8], align 16
38 call void @llvm.dbg.declare(metadata [100 x i8]* %aaa, metadata !12, metadata !17), !dbg !18
39 %arrayidx = getelementptr inbounds [100 x i8], [100 x i8]* %aaa, i64 0, i64 10, !dbg !19
40 store i8 1, i8* %arrayidx, align 2, !dbg !20
44 ; Function Attrs: nounwind readnone
45 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
47 ; Function Attrs: alwaysinline nounwind uwtable
48 define void @g() #0 !dbg !7 {
50 %bbb = alloca [100 x i8], align 16
51 call void @llvm.dbg.declare(metadata [100 x i8]* %bbb, metadata !22, metadata !17), !dbg !23
52 %arrayidx = getelementptr inbounds [100 x i8], [100 x i8]* %bbb, i64 0, i64 20, !dbg !24
53 store i8 1, i8* %arrayidx, align 4, !dbg !25
57 ; Function Attrs: nounwind uwtable
58 define void @h() #2 !dbg !8 {
60 call void @f(), !dbg !27
61 call void @g(), !dbg !28
65 attributes #0 = { alwaysinline nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
66 attributes #1 = { nounwind readnone }
67 attributes #2 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
70 !llvm.module.flags = !{!9, !10}
73 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 248518) (llvm/trunk 248512)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
74 !1 = !DIFile(filename: "../1.c", directory: "/code/llvm-git/build")
76 !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, retainedNodes: !2)
77 !5 = !DISubroutineType(types: !6)
79 !7 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: false, unit: !0, retainedNodes: !2)
80 !8 = distinct !DISubprogram(name: "h", scope: !1, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true, scopeLine: 11, isOptimized: false, unit: !0, retainedNodes: !2)
81 !9 = !{i32 2, !"Dwarf Version", i32 4}
82 !10 = !{i32 2, !"Debug Info Version", i32 3}
83 !11 = !{!"clang version 3.8.0 (trunk 248518) (llvm/trunk 248512)"}
84 !12 = !DILocalVariable(name: "aaa", scope: !4, file: !1, line: 2, type: !13)
85 !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 800, align: 8, elements: !15)
86 !14 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
88 !16 = !DISubrange(count: 100)
90 !18 = !DILocation(line: 2, column: 8, scope: !4)
91 !19 = !DILocation(line: 3, column: 3, scope: !4)
92 !20 = !DILocation(line: 3, column: 11, scope: !4)
93 !21 = !DILocation(line: 4, column: 1, scope: !4)
94 !22 = !DILocalVariable(name: "bbb", scope: !7, file: !1, line: 7, type: !13)
95 !23 = !DILocation(line: 7, column: 8, scope: !7)
96 !24 = !DILocation(line: 8, column: 3, scope: !7)
97 !25 = !DILocation(line: 8, column: 11, scope: !7)
98 !26 = !DILocation(line: 9, column: 1, scope: !7)
99 !27 = !DILocation(line: 12, column: 3, scope: !8)
100 !28 = !DILocation(line: 13, column: 3, scope: !8)
101 !29 = !DILocation(line: 14, column: 1, scope: !8)