| ; Check that compiler doesn't crash when calculateSpillWeightsAndHints is called with dbg instrs present |
| ; REQUIRES: asserts |
| ; REQUIRES: x86_64-linux |
| ; RUN: llc -O1 -regalloc=pbqp < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; CHECK-LABEL: test: |
| define dso_local void @test(i32* %a) local_unnamed_addr #0 !dbg !7 { |
| entry: |
| ; CHECK: DEBUG_VALUE: i <- 0 |
| call void @llvm.dbg.value(metadata i32* %a, metadata !14, metadata !DIExpression()), !dbg !17 |
| call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !DIExpression()), !dbg !17 |
| br label %for.cond, !dbg !17 |
| |
| for.cond: ; preds = %for.body, %entry |
| %a.addr.0 = phi i32* [ %a, %entry ], [ %incdec.ptr, %for.body ] |
| %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !17 |
| call void @llvm.dbg.value(metadata i32 %i.0, metadata !15, metadata !DIExpression()), !dbg !17 |
| call void @llvm.dbg.value(metadata i32* %a.addr.0, metadata !14, metadata !DIExpression()), !dbg !17 |
| %cmp = icmp slt i32 %i.0, 32, !dbg !17 |
| br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !17 |
| |
| for.cond.cleanup: ; preds = %for.cond |
| ret void, !dbg !17 |
| |
| for.body: ; preds = %for.cond |
| %incdec.ptr = getelementptr inbounds i32, i32* %a.addr.0, i32 1, !dbg !17 |
| call void @llvm.dbg.value(metadata i32* %incdec.ptr, metadata !14, metadata !DIExpression()), !dbg !17 |
| store i32 42, i32* %a.addr.0, align 4, !dbg !17 |
| %inc = add nsw i32 %i.0, 1, !dbg !17 |
| call void @llvm.dbg.value(metadata i32 %inc, metadata !15, metadata !DIExpression()), !dbg !17 |
| br label %for.cond, !dbg !17 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind uwtable optnone noinline } |
| attributes #1 = { nounwind readnone speculatable willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git afaeb817468d2fdc0a315a7ff136db245e59a8eb)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "csw-debug-assert.c", directory: "dir") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git afaeb817468d2fdc0a315a7ff136db245e59a8eb)"} |
| !7 = distinct !DISubprogram(name: "test", scope: !8, file: !8, line: 5, type: !9, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) |
| !8 = !DIFile(filename: "csw-debug-assert.c", directory: "dir") |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{null, !11} |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) |
| !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !13 = !{!14, !15} |
| !14 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !8, line: 5, type: !11) |
| !15 = !DILocalVariable(name: "i", scope: !16, file: !8, line: 6, type: !12) |
| !16 = distinct !DILexicalBlock(scope: !7, file: !8, line: 6, column: 5) |
| !17 = !DILocation(line: 0, scope: !7) |