1 ; RUN: llc -debug -mtriple x86_64-apple-darwin < %s -o /dev/null 2>&1 | FileCheck %s 2 ; REQUIRES: asserts 3 ; Check that llc -debug actually prints variables and locations, rather than 4 ; crashing. 5 6 ; CHECK: DBG_VALUE 7 8 ; Generated using `clang -g -O2 -S -emit-llvm -g` on the following source: 9 ; 10 ; static int foo(int x) { return x; } 11 ; int bar(int x) { return foo(x); } 12 13 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 14 target triple = "x86_64-apple-macosx10.10.0" 15 16 ; Function Attrs: nounwind readnone ssp uwtable 17 define i32 @bar(i32 %x) #0 !dbg !4 { 18 entry: 19 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !17), !dbg !18 20 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !19, metadata !17), !dbg !21 21 ret i32 %x, !dbg !22 22 } 23 24 ; Function Attrs: nounwind readnone 25 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 26 27 attributes #0 = { nounwind readnone ssp uwtable "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"="core2" "unsafe-fp-math"="false" "use-soft-float"="false" } 28 attributes #1 = { nounwind readnone } 29 30 !llvm.dbg.cu = !{!0} 31 !llvm.module.flags = !{!13, !14, !15} 32 !llvm.ident = !{!16} 33 34 !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) 35 !1 = !DIFile(filename: "t.c", directory: "/Users/dexonsmith/data/llvm/debug-info/test/DebugInfo/X86") 36 !2 = !{} 37 !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, variables: !8) 38 !5 = !DISubroutineType(types: !6) 39 !6 = !{!7, !7} 40 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 41 !8 = !{!9} 42 !9 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !1, line: 2, type: !7) 43 !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, variables: !11) 44 !11 = !{!12} 45 !12 = !DILocalVariable(name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7) 46 !13 = !{i32 2, !"Dwarf Version", i32 2} 47 !14 = !{i32 2, !"Debug Info Version", i32 3} 48 !15 = !{i32 1, !"PIC Level", i32 2} 49 !16 = !{!"clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)"} 50 !17 = !DIExpression() 51 !18 = !DILocation(line: 2, column: 13, scope: !4) 52 !19 = !DILocalVariable(name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7) 53 !20 = distinct !DILocation(line: 2, column: 25, scope: !4) 54 !21 = !DILocation(line: 1, column: 20, scope: !10, inlinedAt: !20) 55 !22 = !DILocation(line: 2, column: 18, scope: !4) 56
