1; RUN: opt -passes='cgscc(inline)' -S %s -o - -S | FileCheck %s --implicit-check-not=dbg.value 2; RUN: opt -passes='cgscc(inline)' -S %s -o - -S --try-experimental-debuginfo-iterators | FileCheck %s --implicit-check-not=dbg.value 3 4;; Test that dbg.value intrinsics are inlined, remapped, and have their 5;; dilocation updated just like normal instructions. This becomes 6;; important when debug-info records case to be instructions. 7;; 8;; test should be inlined into test2 9 10; CHECK: declare void @llvm.dbg.value(metadata, 11 12; CHECK: define i32 @test2 13; CHECK-NEXT: entry: 14; CHECK: %k.addr.i = alloca i32, align 4 15; CHECK: %k2.i = alloca i32, align 4 16; CHECK: %0 = load i32, ptr @global_var, align 4, !dbg !9 17; CHECK: store i32 %0, ptr %k.addr.i, align 4 18; CHECK-NEXT: call void @llvm.dbg.value(metadata ptr %k.addr.i, metadata ![[KVAR:[0-9]+]], metadata !DIExpression()), !dbg ![[KLINE:[0-9]+]] 19; CHECK-NEXT: call void @llvm.dbg.value(metadata ptr %k2.i, metadata ![[K2VAR:[0-9]+]], metadata !DIExpression()), !dbg ![[GLINE:[0-9]+]] 20; CHECK-NEXT: %1 = load i32, ptr %k.addr.i, align 4, 21;; 22;; dbg.values in this block should be remapped to the local load, but also 23;; the Argument to the calling test2 function. 24;; 25; CHECK: if.then.i: 26; CHECK-NEXT: %3 = load i32, ptr %k2.i, 27; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %3, metadata ![[KVAR]], metadata !DIExpression()), !dbg ![[KLINE]] 28; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %foo, metadata ![[K2VAR]], metadata !DIExpression()), !dbg ![[GLINE]] 29; 30;; Similarly, the end block should retain remapped dbg.values, with the second 31;; referring to the @global_var load in the entry block. Check that we clone 32;; from the terminator correctly. 33; 34; CHECK: if.end.i: 35; CHECK-NEXT: store i32 0, ptr %retval.i, align 4, 36; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata ![[KVAR]], metadata !DIExpression()), !dbg ![[KLINE]] 37; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %0, metadata ![[K2VAR]], metadata !DIExpression()), !dbg ![[GLINE]] 38; CHECK-NEXT: br label %test.exit, 39; 40;; More or less the same checks again in the exit block, this time at the head 41;; of the block, and on a terminator that gets elided. 42; 43; CHECK: test.exit: 44; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %0, metadata ![[KVAR]], metadata !DIExpression()), !dbg ![[KLINE]] 45; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %bar, metadata ![[K2VAR]], metadata !DIExpression()), !dbg ![[GLINE]] 46; CHECK-NEXT: %4 = load i32, ptr %retval.i, align 4, 47; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 1, metadata ![[KVAR]], metadata !DIExpression()), !dbg ![[KLINE]] 48; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 1, metadata ![[K2VAR]], metadata !DIExpression()), !dbg ![[GLINE]] 49; 50;; Test that the metadata maps onto the correct things, and that the DILocations 51;; attached to the intrinsics have been inlined. 52; 53; CHECK-DAG: ![[TEST2SP:[0-9]+]] = distinct !DISubprogram(name: "test2", 54; CHECK-DAG: ![[INLINESITEBLOCK:[0-9]+]] = distinct !DILexicalBlock(scope: ![[TEST2SP]], 55; CHECK-DAG: ![[TESTSP:[0-9]+]] = distinct !DISubprogram(name: "test", 56; CHECK-DAG: ![[KVAR]] = !DILocalVariable(name: "k", 57; CHECK-DAG: ![[K2VAR]] = !DILocalVariable(name: "k2", 58; CHECK-DAG: ![[KLINE]] = !DILocation(line: 4, scope: ![[TESTSP]], inlinedAt: ![[INLINESITE:[0-9]+]]) 59; CHECK-DAG: ![[INLINESITE]] = distinct !DILocation(line: 14, scope: ![[INLINESITEBLOCK]]) 60; CHECK-DAG: ![[GLINE]] = !DILocation(line: 5, scope: ![[TESTSP]], inlinedAt: ![[INLINESITE:[0-9]+]]) 61 62target triple = "x86_64--" 63 64@global_var = external global i32 65 66define internal i32 @test(i32 %k, i32 %foo, i32 %bar) !dbg !4 { 67entry: 68 %retval = alloca i32, align 4 69 %k.addr = alloca i32, align 4 70 %k2 = alloca i32, align 4 71 store i32 %k, ptr %k.addr, align 4 72 call void @llvm.dbg.value(metadata ptr %k.addr, metadata !13, metadata !DIExpression()), !dbg !14 73 call void @llvm.dbg.value(metadata ptr %k2, metadata !15, metadata !DIExpression()), !dbg !16 74 %0 = load i32, ptr %k.addr, align 4, !dbg !16 75 %call = call i32 @_Z8test_exti(i32 %0), !dbg !16 76 store i32 %call, ptr %k2, align 4, !dbg !16 77 %1 = load i32, ptr %k2, align 4, !dbg !17 78 %cmp = icmp sgt i32 %1, 100, !dbg !17 79 br i1 %cmp, label %if.then, label %if.end, !dbg !17 80 81if.then: ; preds = %entry 82 %2 = load i32, ptr %k2, align 4, !dbg !18 83 call void @llvm.dbg.value(metadata i32 %2, metadata !13, metadata !DIExpression()), !dbg !14 84 call void @llvm.dbg.value(metadata i32 %foo, metadata !15, metadata !DIExpression()), !dbg !16 85 store i32 %2, ptr %retval, !dbg !18 86 br label %return, !dbg !18 87 88if.end: ; preds = %entry 89 store i32 0, ptr %retval, !dbg !19 90 call void @llvm.dbg.value(metadata i32 0, metadata !13, metadata !DIExpression()), !dbg !14 91 call void @llvm.dbg.value(metadata i32 %k, metadata !15, metadata !DIExpression()), !dbg !16 92 br label %return, !dbg !19 93 94return: ; preds = %if.end, %if.then 95 call void @llvm.dbg.value(metadata i32 %k, metadata !13, metadata !DIExpression()), !dbg !14 96 call void @llvm.dbg.value(metadata i32 %bar, metadata !15, metadata !DIExpression()), !dbg !16 97 %3 = load i32, ptr %retval, !dbg !20 98 call void @llvm.dbg.value(metadata i32 1, metadata !13, metadata !DIExpression()), !dbg !14 99 call void @llvm.dbg.value(metadata i32 1, metadata !15, metadata !DIExpression()), !dbg !16 100 ret i32 %3, !dbg !20 101} 102 103declare void @llvm.dbg.value(metadata, metadata, metadata) #1 104 105declare i32 @_Z8test_exti(i32) 106 107define i32 @test2(i32 %foo, i32 %bar) !dbg !10 { 108entry: 109 %exn.slot = alloca ptr 110 %ehselector.slot = alloca i32 111 %e = alloca i32, align 4 112 %0 = load i32, ptr @global_var, align 4, !dbg !21 113 %call = call i32 @test(i32 %0, i32 %foo, i32 %bar), !dbg !21 114 br label %try.cont, !dbg !23 115 116try.cont: ; preds = %catch, %invoke.cont 117 store i32 1, ptr @global_var, align 4, !dbg !29 118 ret i32 0, !dbg !30 119} 120 121!llvm.dbg.cu = !{!0} 122!llvm.module.flags = !{!31} 123 124!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 125!1 = !DIFile(filename: "<unknown>", directory: "") 126!2 = !{} 127!4 = distinct !DISubprogram(name: "test", linkageName: "_Z4testi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !5, scope: !6, type: !7, retainedNodes: !2) 128!5 = !DIFile(filename: "test.cpp", directory: "") 129!6 = !DIFile(filename: "test.cpp", directory: "") 130!7 = !DISubroutineType(types: !8) 131!8 = !{!9, !9} 132!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 133!10 = distinct !DISubprogram(name: "test2", linkageName: "_Z5test2v", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 11, file: !5, scope: !6, type: !11, retainedNodes: !2) 134!11 = !DISubroutineType(types: !12) 135!12 = !{!9} 136!13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9) 137!14 = !DILocation(line: 4, scope: !4) 138!15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9) 139!16 = !DILocation(line: 5, scope: !4) 140!17 = !DILocation(line: 6, scope: !4) 141!18 = !DILocation(line: 7, scope: !4) 142!19 = !DILocation(line: 8, scope: !4) 143!20 = !DILocation(line: 9, scope: !4) 144!21 = !DILocation(line: 14, scope: !22) 145!22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10) 146!23 = !DILocation(line: 15, scope: !22) 147!24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9) 148!25 = !DILocation(line: 16, scope: !10) 149!26 = !DILocation(line: 17, scope: !27) 150!27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10) 151!28 = !DILocation(line: 18, scope: !27) 152!29 = !DILocation(line: 19, scope: !10) 153!30 = !DILocation(line: 20, scope: !10) 154!31 = !{i32 1, !"Debug Info Version", i32 3} 155