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77 lines
3.1 KiB
77 lines
3.1 KiB
; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
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; Generated from:
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; void * __attribute__ (( regparm(2) )) f(void *, void *);
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; void * __attribute__ (( regparm(0) )) g(void *, void *);
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;
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; void *g(void *t, void *k) {
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; if (k == (void *)0)
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; return (void *)0;
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; return f(t, k);
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; }
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NEXT: DW_AT_location (DW_OP_fbreg +4)
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; CHECK-NEXT: DW_AT_name ("t")
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NEXT: DW_AT_location (DW_OP_fbreg +8)
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; CHECK-NEXT: DW_AT_name ("k")
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source_filename = "t.c"
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target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386--linux-gnu"
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; Function Attrs: nounwind
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define i8* @g(i8* %t, i8* %k) local_unnamed_addr #0 !dbg !10 {
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entry:
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call void @llvm.dbg.value(metadata i8* %t, metadata !14, metadata !DIExpression()), !dbg !16
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call void @llvm.dbg.value(metadata i8* %k, metadata !15, metadata !DIExpression()), !dbg !17
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%cmp = icmp eq i8* %k, null, !dbg !18
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br i1 %cmp, label %return, label %if.end, !dbg !20
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if.end: ; preds = %entry
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%call = tail call i8* @f(i8* inreg %t, i8* inreg nonnull %k) #3, !dbg !21
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br label %return, !dbg !22
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return: ; preds = %entry, %if.end
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%retval.0 = phi i8* [ %call, %if.end ], [ null, %entry ]
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ret i8* %retval.0, !dbg !23
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}
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declare i8* @f(i8* inreg, i8* inreg) local_unnamed_addr
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind }
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attributes #2 = { nounwind readnone speculatable }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!5, !6, !7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (llvm/trunk 319230)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3)
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!1 = !DIFile(filename: "t.c", directory: "/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 32)
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!5 = !{i32 1, !"NumRegisterParameters", i32 0}
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !{i32 1, !"wchar_size", i32 4}
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!9 = !{!"clang version 6.0.0 (llvm/trunk 319230)"}
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!10 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !13)
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!11 = !DISubroutineType(types: !12)
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!12 = !{!4, !4, !4}
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!13 = !{!14, !15}
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!14 = !DILocalVariable(name: "t", arg: 1, scope: !10, file: !1, line: 4, type: !4)
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!15 = !DILocalVariable(name: "k", arg: 2, scope: !10, file: !1, line: 4, type: !4)
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!16 = !DILocation(line: 4, column: 15, scope: !10)
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!17 = !DILocation(line: 4, column: 24, scope: !10)
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!18 = !DILocation(line: 5, column: 9, scope: !19)
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!19 = distinct !DILexicalBlock(scope: !10, file: !1, line: 5, column: 7)
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!20 = !DILocation(line: 5, column: 7, scope: !10)
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!21 = !DILocation(line: 7, column: 10, scope: !10)
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!22 = !DILocation(line: 7, column: 3, scope: !10)
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!23 = !DILocation(line: 8, column: 1, scope: !10)
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