diff options
Diffstat (limited to 'llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll')
-rw-r--r-- | llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll b/llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll deleted file mode 100644 index bb633586e87..00000000000 --- a/llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll +++ /dev/null @@ -1,223 +0,0 @@ -; RUN: opt -O0 -S -mergefunc -mergefunc-preserve-debug-info < %s | FileCheck %s --check-prefix=OPTIMIZATION_LEVEL_0 -; RUN: opt -O2 -S -mergefunc -mergefunc-preserve-debug-info < %s | FileCheck %s --check-prefix=OPTIMIZATION_LEVEL_2 - -; Preserve debug info in thunks under -mergefunc -mergefunc-preserve-debug-info -; -; We test that: -; At -O0 we have preserved the generated @llvm.dbg.declare debug intrinsics. -; At -O2 we have preserved the generated @llvm.dbg.value debug intrinsics. -; At -O0, stores from the incoming parameters to locations on the stack-frame -; and allocas that create these locations on the stack-frame are preserved. -; Debug info got generated for the call made by the thunk and for its return value. -; The foregoing is the only content of a thunk's entry block. -; A thunk makes a tail call to the shared implementation. -; A thunk's call site is preserved to point to the thunk (with only -mergefunc the -; call site is modified to point to the shared implementation) when both occur -; within the same translation unit. - -; The source code that was used to test and generate this LLVM IR is: -; -; int maxA(int x, int y) { -; int i, m, j; -; if (x > y) -; m = x; -; else -; m = y; -; return m; -; } -; -; int maxB(int x, int y) { -; int i, m, j; -; if (x > y) -; m = x; -; else -; m = y; -; return m; -; } -; -; void f(void) { -; -; maxA(3, 4); -; maxB(1, 9); -; } - -; Function Attrs: nounwind uwtable -define i32 @maxA(i32 %x, i32 %y) !dbg !6 { -entry: - %x.addr = alloca i32, align 4 - %y.addr = alloca i32, align 4 - %i = alloca i32, align 4 - %m = alloca i32, align 4 - %j = alloca i32, align 4 - store i32 %x, i32* %x.addr, align 4 - call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !11, metadata !12), !dbg !13 - store i32 %y, i32* %y.addr, align 4 - call void @llvm.dbg.declare(metadata i32* %y.addr, metadata !14, metadata !12), !dbg !15 - call void @llvm.dbg.declare(metadata i32* %i, metadata !16, metadata !12), !dbg !17 - call void @llvm.dbg.declare(metadata i32* %m, metadata !18, metadata !12), !dbg !19 - call void @llvm.dbg.declare(metadata i32* %j, metadata !20, metadata !12), !dbg !21 - %0 = load i32, i32* %x.addr, align 4, !dbg !22 - %1 = load i32, i32* %y.addr, align 4, !dbg !24 - %cmp = icmp sgt i32 %0, %1, !dbg !25 - br i1 %cmp, label %if.then, label %if.else, !dbg !26 - -if.then: ; preds = %entry - %2 = load i32, i32* %x.addr, align 4, !dbg !27 - store i32 %2, i32* %m, align 4, !dbg !28 - br label %if.end, !dbg !29 - -if.else: ; preds = %entry - %3 = load i32, i32* %y.addr, align 4, !dbg !30 - store i32 %3, i32* %m, align 4, !dbg !31 - br label %if.end - -if.end: ; preds = %if.else, %if.then - %4 = load i32, i32* %m, align 4, !dbg !32 - ret i32 %4, !dbg !33 -} - -; Function Attrs: nounwind readnone -declare void @llvm.dbg.declare(metadata, metadata, metadata) - -; Function Attrs: nounwind uwtable -define i32 @maxB(i32 %x, i32 %y) !dbg !34 { - -; OPTIMIZATION_LEVEL_0: define i32 @maxB(i32 %x, i32 %y) -; OPTIMIZATION_LEVEL_0-NEXT: entry: -; OPTIMIZATION_LEVEL_0-NEXT: %x.addr = alloca i32, align 4 -; OPTIMIZATION_LEVEL_0-NEXT: %y.addr = alloca i32, align 4 -; OPTIMIZATION_LEVEL_0-NEXT: store i32 %x, i32* %x.addr, align 4 -; OPTIMIZATION_LEVEL_0-NEXT: call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !{{[0-9]+}}, metadata !DIExpression()), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: store i32 %y, i32* %y.addr, align 4 -; OPTIMIZATION_LEVEL_0-NEXT: call void @llvm.dbg.declare(metadata i32* %y.addr, metadata !{{[0-9]+}}, metadata !DIExpression()), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: %0 = tail call i32 @maxA(i32 %x, i32 %y), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: ret i32 %0, !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: } - -; OPTIMIZATION_LEVEL_2: define i32 @maxB(i32 %x, i32 %y) -; OPTIMIZATION_LEVEL_2-NEXT: entry: -; OPTIMIZATION_LEVEL_2-NEXT: call void @llvm.dbg.value(metadata i32 %x, metadata !{{[0-9]+}}, metadata !DIExpression()), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_2-NEXT: call void @llvm.dbg.value(metadata i32 %y, metadata !{{[0-9]+}}, metadata !DIExpression()), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_2-NEXT: %0 = tail call i32 @maxA(i32 %x, i32 %y) #{{[0-9]+}}, !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_2-NEXT: ret i32 %0, !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_2-NEXT: } - -entry: - %x.addr = alloca i32, align 4 - %y.addr = alloca i32, align 4 - %i = alloca i32, align 4 - %m = alloca i32, align 4 - %j = alloca i32, align 4 - store i32 %x, i32* %x.addr, align 4 - call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !35, metadata !12), !dbg !36 - store i32 %y, i32* %y.addr, align 4 - call void @llvm.dbg.declare(metadata i32* %y.addr, metadata !37, metadata !12), !dbg !38 - call void @llvm.dbg.declare(metadata i32* %i, metadata !39, metadata !12), !dbg !40 - call void @llvm.dbg.declare(metadata i32* %m, metadata !41, metadata !12), !dbg !42 - call void @llvm.dbg.declare(metadata i32* %j, metadata !43, metadata !12), !dbg !44 - %0 = load i32, i32* %x.addr, align 4, !dbg !45 - %1 = load i32, i32* %y.addr, align 4, !dbg !47 - %cmp = icmp sgt i32 %0, %1, !dbg !48 - br i1 %cmp, label %if.then, label %if.else, !dbg !49 - -if.then: ; preds = %entry - %2 = load i32, i32* %x.addr, align 4, !dbg !50 - store i32 %2, i32* %m, align 4, !dbg !51 - br label %if.end, !dbg !52 - -if.else: ; preds = %entry - %3 = load i32, i32* %y.addr, align 4, !dbg !53 - store i32 %3, i32* %m, align 4, !dbg !54 - br label %if.end - -if.end: ; preds = %if.else, %if.then - %4 = load i32, i32* %m, align 4, !dbg !55 - ret i32 %4, !dbg !56 -} - -; Function Attrs: nounwind uwtable -define void @f() !dbg !57 { -entry: - -; OPTIMIZATION_LEVEL_0: define void @f() -; OPTIMIZATION_LEVEL_0-NEXT: entry: -; OPTIMIZATION_LEVEL_0-NEXT: %call = call i32 @maxA(i32 3, i32 4), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: %call1 = call i32 @maxB(i32 1, i32 9), !dbg !{{[0-9]+}} -; OPTIMIZATION_LEVEL_0-NEXT: ret void, !dbg !{{[0-9]+}} - -; OPTIMIZATION_LEVEL_2: define void @f() -; OPTIMIZATION_LEVEL_2-NEXT: entry: -; OPTIMIZATION_LEVEL_2-NEXT: ret void, !dbg !{{[0-9]+}} - - %call = call i32 @maxA(i32 3, i32 4), !dbg !60 - %call1 = call i32 @maxB(i32 1, i32 9), !dbg !61 - ret void, !dbg !62 -} - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!3, !4} -!llvm.ident = !{!5} - -!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) -!1 = !DIFile(filename: "mergefunc-preserve-debug-info.c", directory: "") -!2 = !{} -!3 = !{i32 2, !"Dwarf Version", i32 4} -!4 = !{i32 2, !"Debug Info Version", i32 3} -!5 = !{!""} -!6 = distinct !DISubprogram(name: "maxA", scope: !7, file: !7, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) -!7 = !DIFile(filename: "./mergefunc-preserve-debug-info.c", directory: "") -!8 = !DISubroutineType(types: !9) -!9 = !{!10, !10, !10} -!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) -!11 = !DILocalVariable(name: "x", arg: 1, scope: !6, file: !7, line: 1, type: !10) -!12 = !DIExpression() -!13 = !DILocation(line: 1, column: 14, scope: !6) -!14 = !DILocalVariable(name: "y", arg: 2, scope: !6, file: !7, line: 1, type: !10) -!15 = !DILocation(line: 1, column: 21, scope: !6) -!16 = !DILocalVariable(name: "i", scope: !6, file: !7, line: 2, type: !10) -!17 = !DILocation(line: 2, column: 7, scope: !6) -!18 = !DILocalVariable(name: "m", scope: !6, file: !7, line: 2, type: !10) -!19 = !DILocation(line: 2, column: 10, scope: !6) -!20 = !DILocalVariable(name: "j", scope: !6, file: !7, line: 2, type: !10) -!21 = !DILocation(line: 2, column: 13, scope: !6) -!22 = !DILocation(line: 3, column: 7, scope: !23) -!23 = distinct !DILexicalBlock(scope: !6, file: !7, line: 3, column: 7) -!24 = !DILocation(line: 3, column: 11, scope: !23) -!25 = !DILocation(line: 3, column: 9, scope: !23) -!26 = !DILocation(line: 3, column: 7, scope: !6) -!27 = !DILocation(line: 4, column: 9, scope: !23) -!28 = !DILocation(line: 4, column: 7, scope: !23) -!29 = !DILocation(line: 4, column: 5, scope: !23) -!30 = !DILocation(line: 6, column: 9, scope: !23) -!31 = !DILocation(line: 6, column: 7, scope: !23) -!32 = !DILocation(line: 7, column: 10, scope: !6) -!33 = !DILocation(line: 7, column: 3, scope: !6) -!34 = distinct !DISubprogram(name: "maxB", scope: !7, file: !7, line: 10, type: !8, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) -!35 = !DILocalVariable(name: "x", arg: 1, scope: !34, file: !7, line: 10, type: !10) -!36 = !DILocation(line: 10, column: 14, scope: !34) -!37 = !DILocalVariable(name: "y", arg: 2, scope: !34, file: !7, line: 10, type: !10) -!38 = !DILocation(line: 10, column: 21, scope: !34) -!39 = !DILocalVariable(name: "i", scope: !34, file: !7, line: 11, type: !10) -!40 = !DILocation(line: 11, column: 7, scope: !34) -!41 = !DILocalVariable(name: "m", scope: !34, file: !7, line: 11, type: !10) -!42 = !DILocation(line: 11, column: 10, scope: !34) -!43 = !DILocalVariable(name: "j", scope: !34, file: !7, line: 11, type: !10) -!44 = !DILocation(line: 11, column: 13, scope: !34) -!45 = !DILocation(line: 12, column: 7, scope: !46) -!46 = distinct !DILexicalBlock(scope: !34, file: !7, line: 12, column: 7) -!47 = !DILocation(line: 12, column: 11, scope: !46) -!48 = !DILocation(line: 12, column: 9, scope: !46) -!49 = !DILocation(line: 12, column: 7, scope: !34) -!50 = !DILocation(line: 13, column: 9, scope: !46) -!51 = !DILocation(line: 13, column: 7, scope: !46) -!52 = !DILocation(line: 13, column: 5, scope: !46) -!53 = !DILocation(line: 15, column: 9, scope: !46) -!54 = !DILocation(line: 15, column: 7, scope: !46) -!55 = !DILocation(line: 16, column: 10, scope: !34) -!56 = !DILocation(line: 16, column: 3, scope: !34) -!57 = distinct !DISubprogram(name: "f", scope: !7, file: !7, line: 19, type: !58, isLocal: false, isDefinition: true, scopeLine: 19, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) -!58 = !DISubroutineType(types: !59) -!59 = !{null} -!60 = !DILocation(line: 21, column: 3, scope: !57) -!61 = !DILocation(line: 22, column: 3, scope: !57) -!62 = !DILocation(line: 23, column: 1, scope: !57) |