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