diff options
Diffstat (limited to 'llvm/test/Transforms/LCSSA/rewrite-existing-dbg-values.ll')
| -rw-r--r-- | llvm/test/Transforms/LCSSA/rewrite-existing-dbg-values.ll | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/llvm/test/Transforms/LCSSA/rewrite-existing-dbg-values.ll b/llvm/test/Transforms/LCSSA/rewrite-existing-dbg-values.ll deleted file mode 100644 index bedcc780d31..00000000000 --- a/llvm/test/Transforms/LCSSA/rewrite-existing-dbg-values.ll +++ /dev/null @@ -1,137 +0,0 @@ -; RUN: opt -S -lcssa < %s | FileCheck %s - -; Reproducer for PR39019. -; -; Verify that the llvm.dbg.values are updated to use the PHI nodes inserted by -; LCSSA. - -; For the test case @single_exit, we can rewrite all llvm.dbg.value calls -; to use the inserted PHI. - -; CHECK-LABEL: @single_exit( - -; CHECK-LABEL: inner.body: -; CHECK: %add = add nsw i32 0, 2 -; CHECK: call void @llvm.dbg.value(metadata i32 %add, metadata [[VAR:![0-9]+]], metadata !DIExpression()) - - -; CHECK-LABEL: outer.exit: -; CHECK-NEXT: [[PN:%[^ ]*]] = phi i32 [ %add.lcssa, %outer.latch ] -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[PN]], metadata [[VAR]], metadata !DIExpression()) -; CHECK-NEXT: call void @bar(i32 [[PN]]) - -; CHECK-LABEL: exit: -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[PN]], metadata [[VAR]], metadata !DIExpression()) - -define void @single_exit() !dbg !6 { -entry: - br label %outer.header, !dbg !12 - -outer.header: ; preds = %outer.latch, %entry - br label %inner.body, !dbg !12 - -inner.body: ; preds = %inner.body, %outer.header - %add = add nsw i32 0, 2, !dbg !12 - call void @llvm.dbg.value(metadata i32 %add, metadata !9, metadata !DIExpression()), !dbg !12 - br i1 false, label %inner.body, label %inner.exit, !dbg !12 - -inner.exit: ; preds = %inner.body - br label %outer.latch - -outer.latch: ; preds = %inner.exit - br i1 false, label %outer.header, label %outer.exit, !dbg !12 - -outer.exit: ; preds = %outer.latch - call void @llvm.dbg.value(metadata i32 %add, metadata !9, metadata !DIExpression()), !dbg !12 - tail call void @bar(i32 %add), !dbg !12 - br label %exit - -exit: ; preds = %outer.exit - call void @llvm.dbg.value(metadata i32 %add, metadata !9, metadata !DIExpression()), !dbg !12 - ret void, !dbg !12 -} - -; For the test case @multi_exit, we cannot update the llvm.dbg.value call in exit, -; because LCSSA did not insert a PHI node in %exit, as there is no non-debug -; use. - -; CHECK-LABEL: @multi_exit() - -; CHECK-LABEL: for.header: -; CHECK-NEXT: %add = add nsw i32 0, 2 -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %add, metadata [[VAR2:![0-9]+]], metadata !DIExpression()) - -; CHECK-LABEL: for.exit1: -; CHECK-NEXT: [[PN1:%[^ ]*]] = phi i32 [ %add, %for.header ] -; CHECK-NEXT: br label %for.exit1.succ - -; CHECK-LABEL: for.exit1.succ: -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[PN1]], metadata [[VAR2]], metadata !DIExpression()) -; CHECK-NEXT: call void @bar(i32 [[PN1]]) - -; CHECK-LABEL: for.exit2: -; CHECK-NEXT: [[PN2:%[^ ]*]] = phi i32 [ %add, %for.latch ] -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[PN2]], metadata [[VAR2]], metadata !DIExpression()) -; CHECK-NEXT: call void @bar(i32 [[PN2]]) - -; CHECK-LABEL: exit: -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %add, metadata [[VAR2]], metadata !DIExpression()) - -define void @multi_exit() !dbg !13 { -entry: - br label %for.header, !dbg !14 - -for.header: ; preds = %for.latch, %entry - %add = add nsw i32 0, 2, !dbg !14 - call void @llvm.dbg.value(metadata i32 %add, metadata !16, metadata !DIExpression()), !dbg !14 - br i1 false, label %for.latch, label %for.exit1, !dbg !14 - -for.latch: ; preds = %for.header - br i1 false, label %for.header, label %for.exit2, !dbg !14 - -for.exit1: ; preds = %for.header - br label %for.exit1.succ - -for.exit1.succ: ; preds = %for.exit1 - call void @llvm.dbg.value(metadata i32 %add, metadata !16, metadata !DIExpression()), !dbg !14 - tail call void @bar(i32 %add), !dbg !14 - br label %exit - -for.exit2: ; preds = %for.latch - call void @llvm.dbg.value(metadata i32 %add, metadata !16, metadata !DIExpression()), !dbg !14 - tail call void @bar(i32 %add), !dbg !14 - br label %exit - -exit: ; preds = %for.exit2, %for.exit1.succ - call void @llvm.dbg.value(metadata i32 %add, metadata !16, metadata !DIExpression()), !dbg !14 - ret void, !dbg !14 -} - -; CHECK: [[VAR]] = !DILocalVariable(name: "sum", -; CHECK: [[VAR2]] = !DILocalVariable(name: "sum2", - -declare void @bar(i32) - -declare void @llvm.dbg.value(metadata, metadata, metadata) - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!3, !4} -!llvm.ident = !{!5} - -!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, nameTableKind: None) -!1 = !DIFile(filename: "foo.c", directory: "/") -!2 = !{} -!3 = !{i32 2, !"Dwarf Version", i32 4} -!4 = !{i32 2, !"Debug Info Version", i32 3} -!5 = !{!"clang version 8.0.0"} -!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 10, type: !7, scopeLine: 10, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) -!7 = !DISubroutineType(types: !2) -!8 = !{!9} -!9 = !DILocalVariable(name: "sum", scope: !10, file: !1, line: 11, type: !11) -!10 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 0) -!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) -!12 = !DILocation(line: 0, scope: !10) -!13 = distinct !DISubprogram(name: "multi_exit", scope: !1, file: !1, line: 10, type: !7, scopeLine: 10, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) -!14 = !DILocation(line: 0, scope: !15) -!15 = !DILexicalBlockFile(scope: !13, file: !1, discriminator: 0) -!16 = !DILocalVariable(name: "sum2", scope: !15, file: !1, line: 11, type: !11) |
