| ; RUN: llc -mtriple=i386-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=ALL |
| |
| ; This file is the output of clang -g -O2 |
| ; int test_dbg_trunc(unsigned long long a) { return a; } |
| ; |
| ; The intent of this check is to ensure the DBG_VALUE use of G_MERGE_VALUES is undef'd when the legalizer erases it. |
| |
| ; ModuleID = 'x86-calllowering-dbg-trunc.c' |
| source_filename = "x86-calllowering-dbg-trunc.c" |
| target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128" |
| target triple = "i386" |
| |
| ; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone uwtable willreturn |
| define dso_local i32 @test_dbg_trunc(i64 %a) local_unnamed_addr #0 !dbg !9 { |
| ; ALL-LABEL: test_dbg_trunc: |
| ; ALL: # %bb.0: # %entry |
| ; ALL: pushl %ebp |
| ; ALL: movl %esp, %ebp |
| ; ALL: movl 8(%ebp), %eax |
| ; ALL: #DEBUG_VALUE: test_dbg_trunc:a <- undef |
| ; ALL: popl %ebp |
| ; ALL: retl |
| entry: |
| call void @llvm.dbg.value(metadata i64 %a, metadata !15, metadata !DIExpression()), !dbg !16 |
| %conv = trunc i64 %a to i32, !dbg !17 |
| ret i32 %conv, !dbg !18 |
| } |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone uwtable willreturn "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #1 = { nofree nosync nounwind readnone speculatable willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3, !4, !5, !6, !7} |
| !llvm.ident = !{!8} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 14.0.0 (https://github.com/llvm/llvm-project ...)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "x86-calllowering-dbg-trunc.c", directory: "/tmp") |
| !2 = !{i32 1, !"NumRegisterParameters", i32 0} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{i32 7, !"uwtable", i32 1} |
| !7 = !{i32 7, !"frame-pointer", i32 2} |
| !8 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project ...)"} |
| !9 = distinct !DISubprogram(name: "test_dbg_trunc", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !14) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{!12, !13} |
| !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !13 = !DIBasicType(name: "unsigned long long", size: 64, encoding: DW_ATE_unsigned) |
| !14 = !{!15} |
| !15 = !DILocalVariable(name: "a", arg: 1, scope: !9, file: !1, line: 1, type: !13) |
| !16 = !DILocation(line: 0, scope: !9) |
| !17 = !DILocation(line: 1, column: 51, scope: !9) |
| !18 = !DILocation(line: 1, column: 44, scope: !9) |