diff options
Diffstat (limited to 'llvm/test/Transforms/Mem2Reg/dbg-addr-inline-dse.ll')
| -rw-r--r-- | llvm/test/Transforms/Mem2Reg/dbg-addr-inline-dse.ll | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/llvm/test/Transforms/Mem2Reg/dbg-addr-inline-dse.ll b/llvm/test/Transforms/Mem2Reg/dbg-addr-inline-dse.ll deleted file mode 100644 index c29e03b19e5..00000000000 --- a/llvm/test/Transforms/Mem2Reg/dbg-addr-inline-dse.ll +++ /dev/null @@ -1,94 +0,0 @@ -; RUN: opt -mem2reg -S < %s | FileCheck %s -implicit-check-not="call void @llvm.dbg.addr" - -; This example is intended to simulate this pass pipeline, which may not exist -; in practice: -; 1. DSE f from the original C source -; 2. Inline escape -; 3. mem2reg -; This exercises the corner case of multiple llvm.dbg.addr intrinsics. - -; C source: -; -; void escape(int *px) { ++*px; } -; extern int global; -; void f(int x) { -; escape(&x); -; x = 1; // DSE should delete and insert dbg.value(i32 1) -; global = x; -; x = 2; // DSE should insert dbg.addr -; escape(&x); -; } - -; ModuleID = 'dse.c' -source_filename = "dse.c" -target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc19.0.24215" - -declare void @llvm.dbg.addr(metadata, metadata, metadata) #2 -declare void @llvm.dbg.value(metadata, metadata, metadata) #2 - -@global = external global i32, align 4 - -; Function Attrs: nounwind uwtable -define void @f(i32 %x) #0 !dbg !8 { -entry: - %x.addr = alloca i32, align 4 - store i32 %x, i32* %x.addr, align 4 - call void @llvm.dbg.addr(metadata i32* %x.addr, metadata !13, metadata !DIExpression()), !dbg !18 - %ld.1 = load i32, i32* %x.addr, align 4, !dbg !19 - %inc.1 = add nsw i32 %ld.1, 1, !dbg !19 - store i32 %inc.1, i32* %x.addr, align 4, !dbg !19 - call void @llvm.dbg.value(metadata i32 1, metadata !13, metadata !DIExpression()), !dbg !20 - store i32 1, i32* @global, align 4, !dbg !22 - call void @llvm.dbg.addr(metadata i32* %x.addr, metadata !13, metadata !DIExpression()), !dbg !23 - store i32 2, i32* %x.addr, align 4, !dbg !23 - %ld.2 = load i32, i32* %x.addr, align 4, !dbg !19 - %inc.2 = add nsw i32 %ld.2, 1, !dbg !19 - store i32 %inc.2, i32* %x.addr, align 4, !dbg !19 - ret void, !dbg !25 -} - -; CHECK-LABEL: define void @f(i32 %x) -; CHECK: call void @llvm.dbg.value(metadata i32 %x, metadata !13, metadata !DIExpression()) -; CHECK: %inc.1 = add nsw i32 %x, 1 -; CHECK: call void @llvm.dbg.value(metadata i32 %inc.1, metadata !13, metadata !DIExpression()) -; CHECK: call void @llvm.dbg.value(metadata i32 1, metadata !13, metadata !DIExpression()) -; CHECK: store i32 1, i32* @global, align 4 -; CHECK: call void @llvm.dbg.value(metadata i32 2, metadata !13, metadata !DIExpression()) -; CHECK: %inc.2 = add nsw i32 2, 1 -; CHECK: call void @llvm.dbg.value(metadata i32 %inc.2, metadata !13, metadata !DIExpression()) -; CHECK: ret void - -attributes #0 = { nounwind uwtable } -attributes #2 = { nounwind readnone speculatable } - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!3, !4, !5, !6} -!llvm.ident = !{!7} - -!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) -!1 = !DIFile(filename: "dse.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild") -!2 = !{} -!3 = !{i32 2, !"Dwarf Version", i32 4} -!4 = !{i32 2, !"Debug Info Version", i32 3} -!5 = !{i32 1, !"wchar_size", i32 2} -!6 = !{i32 7, !"PIC Level", i32 2} -!7 = !{!"clang version 6.0.0 "} -!8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12) -!9 = !DISubroutineType(types: !10) -!10 = !{null, !11} -!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) -!12 = !{!13} -!13 = !DILocalVariable(name: "x", arg: 1, scope: !8, file: !1, line: 3, type: !11) -!14 = !{!15, !15, i64 0} -!15 = !{!"int", !16, i64 0} -!16 = !{!"omnipotent char", !17, i64 0} -!17 = !{!"Simple C/C++ TBAA"} -!18 = !DILocation(line: 3, column: 12, scope: !8) -!19 = !DILocation(line: 4, column: 3, scope: !8) -!20 = !DILocation(line: 5, column: 5, scope: !8) -!21 = !DILocation(line: 6, column: 12, scope: !8) -!22 = !DILocation(line: 6, column: 10, scope: !8) -!23 = !DILocation(line: 7, column: 5, scope: !8) -!24 = !DILocation(line: 8, column: 3, scope: !8) -!25 = !DILocation(line: 9, column: 1, scope: !8) |
