| ; RUN: llc -stop-after=livedebugvalues -o - %s \ |
| ; RUN: | FileCheck %s --check-prefix=SANITY |
| ; RUN: llc -march=x86-64 -o - %s -filetype=obj \ |
| ; RUN: | llvm-dwarfdump -v -all - | FileCheck %s |
| ; |
| ; CHECK: .debug_info contents: |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] ( |
| ; CHECK-NEXT: {{.*}}: DW_OP_reg0 RAX) |
| ; CHECK-NEXT: DW_AT_name{{.*}}"a" |
| |
| ; SANITY: DBG_VALUE |
| ; SANITY-NOT: DBG_VALUE |
| |
| ; Compiled with -O: |
| ; void h(int); |
| ; int g(); |
| ; void f() { |
| ; h(0); |
| ; int a = g(); |
| ; h(a); |
| ; } |
| |
| ; ModuleID = 'test.ll' |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx" |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define void @f() #0 !dbg !4 { |
| entry: |
| tail call void @h(i32 0) #2, !dbg !14 |
| %call = tail call i32 (...) @g() #2, !dbg !15 |
| tail call void @llvm.dbg.value(metadata i32 %call, metadata !8, metadata !16), !dbg !17 |
| tail call void @h(i32 %call) #2, !dbg !18 |
| ret void, !dbg !19 |
| } |
| |
| declare void @h(i32) |
| |
| declare i32 @g(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind ssp uwtable "frame-pointer"="all" } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!10, !11, !12} |
| !llvm.ident = !{!13} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !7) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null} |
| !7 = !{!8} |
| !8 = !DILocalVariable(name: "a", scope: !4, file: !1, line: 5, type: !9) |
| !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = !{i32 2, !"Dwarf Version", i32 2} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{i32 1, !"PIC Level", i32 2} |
| !13 = !{!"clang version 3.9.0 "} |
| !14 = !DILocation(line: 4, column: 3, scope: !4) |
| !15 = !DILocation(line: 5, column: 11, scope: !4) |
| !16 = !DIExpression() |
| !17 = !DILocation(line: 5, column: 7, scope: !4) |
| !18 = !DILocation(line: 6, column: 3, scope: !4) |
| !19 = !DILocation(line: 7, column: 1, scope: !4) |