; Test that alloca merging in the inliner places dbg.declare calls immediately ; after the merged alloca. Not at the end of the entry BB, and definitely not ; before the alloca. ; ; clang -g -S -emit-llvm -Xclang -disable-llvm-optzns ; ;__attribute__((always_inline)) void f() { ; char aaa[100]; ; aaa[10] = 1; ;} ; ;__attribute__((always_inline)) void g() { ; char bbb[100]; ; bbb[20] = 1; ;} ; ;void h() { ; f(); ; g(); ;} ; ; RUN: opt -always-inline -S < %s | FileCheck %s ; ; CHECK: define void @h() ; CHECK-NEXT: entry: ; CHECK-NEXT: %[[AI:.*]] = alloca [100 x i8] ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [100 x i8]* %[[AI]], ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [100 x i8]* %[[AI]], target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Function Attrs: alwaysinline nounwind uwtable define void @f() #0 !dbg !4 { entry: %aaa = alloca [100 x i8], align 16 call void @llvm.dbg.declare(metadata [100 x i8]* %aaa, metadata !12, metadata !17), !dbg !18 %arrayidx = getelementptr inbounds [100 x i8], [100 x i8]* %aaa, i64 0, i64 10, !dbg !19 store i8 1, i8* %arrayidx, align 2, !dbg !20 ret void, !dbg !21 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: alwaysinline nounwind uwtable define void @g() #0 !dbg !7 { entry: %bbb = alloca [100 x i8], align 16 call void @llvm.dbg.declare(metadata [100 x i8]* %bbb, metadata !22, metadata !17), !dbg !23 %arrayidx = getelementptr inbounds [100 x i8], [100 x i8]* %bbb, i64 0, i64 20, !dbg !24 store i8 1, i8* %arrayidx, align 4, !dbg !25 ret void, !dbg !26 } ; Function Attrs: nounwind uwtable define void @h() #2 !dbg !8 { entry: call void @f(), !dbg !27 call void @g(), !dbg !28 ret void, !dbg !29 } 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" } attributes #1 = { nounwind readnone } 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" } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!9, !10} !llvm.ident = !{!11} !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) !1 = !DIFile(filename: "../1.c", directory: "/code/llvm-git/build") !2 = !{} !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, variables: !2) !5 = !DISubroutineType(types: !6) !6 = !{null} !7 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: false, unit: !0, variables: !2) !8 = distinct !DISubprogram(name: "h", scope: !1, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true, scopeLine: 11, isOptimized: false, unit: !0, variables: !2) !9 = !{i32 2, !"Dwarf Version", i32 4} !10 = !{i32 2, !"Debug Info Version", i32 3} !11 = !{!"clang version 3.8.0 (trunk 248518) (llvm/trunk 248512)"} !12 = !DILocalVariable(name: "aaa", scope: !4, file: !1, line: 2, type: !13) !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 800, align: 8, elements: !15) !14 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) !15 = !{!16} !16 = !DISubrange(count: 100) !17 = !DIExpression() !18 = !DILocation(line: 2, column: 8, scope: !4) !19 = !DILocation(line: 3, column: 3, scope: !4) !20 = !DILocation(line: 3, column: 11, scope: !4) !21 = !DILocation(line: 4, column: 1, scope: !4) !22 = !DILocalVariable(name: "bbb", scope: !7, file: !1, line: 7, type: !13) !23 = !DILocation(line: 7, column: 8, scope: !7) !24 = !DILocation(line: 8, column: 3, scope: !7) !25 = !DILocation(line: 8, column: 11, scope: !7) !26 = !DILocation(line: 9, column: 1, scope: !7) !27 = !DILocation(line: 12, column: 3, scope: !8) !28 = !DILocation(line: 13, column: 3, scope: !8) !29 = !DILocation(line: 14, column: 1, scope: !8)