| ; RUN: llc -debug -mtriple x86_64-apple-darwin < %s -o /dev/null 2>&1 | FileCheck %s |
| ; REQUIRES: asserts |
| ; Check that llc -debug actually prints variables and locations, rather than |
| ; crashing. |
| |
| ; CHECK: DBG_VALUE |
| |
| ; Generated using `clang -g -O2 -S -emit-llvm -g` on the following source: |
| ; |
| ; static int foo(int x) { return x; } |
| ; int bar(int x) { return foo(x); } |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| ; Function Attrs: nounwind readnone ssp uwtable |
| define i32 @bar(i32 %x) #0 !dbg !4 { |
| entry: |
| tail call void @llvm.dbg.value(metadata i32 %x, metadata !9, metadata !17), !dbg !18 |
| tail call void @llvm.dbg.value(metadata i32 %x, metadata !19, metadata !17), !dbg !21 |
| ret i32 %x, !dbg !22 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind readnone ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!13, !14, !15} |
| !llvm.ident = !{!16} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "t.c", directory: "/Users/dexonsmith/data/llvm/debug-info/test/DebugInfo/X86") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7, !7} |
| !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = !{!9} |
| !9 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !1, line: 2, type: !7) |
| !10 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: true, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11) |
| !11 = !{!12} |
| !12 = !DILocalVariable(name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7) |
| !13 = !{i32 2, !"Dwarf Version", i32 2} |
| !14 = !{i32 2, !"Debug Info Version", i32 3} |
| !15 = !{i32 1, !"PIC Level", i32 2} |
| !16 = !{!"clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)"} |
| !17 = !DIExpression() |
| !18 = !DILocation(line: 2, column: 13, scope: !4) |
| !19 = !DILocalVariable(name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7) |
| !20 = distinct !DILocation(line: 2, column: 25, scope: !4) |
| !21 = !DILocation(line: 1, column: 20, scope: !10, inlinedAt: !20) |
| !22 = !DILocation(line: 2, column: 18, scope: !4) |