| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -use-dbg-addr -passes='sroa<preserve-cfg>' -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG |
| ; RUN: opt -use-dbg-addr -passes='sroa<modify-cfg>' -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG |
| |
| ; ModuleID = '<stdin>' |
| source_filename = "newvars.c" |
| target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc19.0.24215" |
| |
| %struct.Pair = type { i32, i32 } |
| |
| @pair = internal global %struct.Pair zeroinitializer |
| |
| ; Function Attrs: nounwind uwtable |
| define void @if_else(i32 %cond, i32 %a, i32 %b) !dbg !8 { |
| ; CHECK-LABEL: @if_else( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[A:%.*]], metadata [[META20:![0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg [[DBG21:![0-9]+]] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[B:%.*]], metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[COND:%.*]], 0, !dbg [[DBG22:![0-9]+]] |
| ; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]], !dbg [[DBG24:![0-9]+]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[A]], metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: br label [[IF_END:%.*]], !dbg [[DBG25:![0-9]+]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[B]], metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: br label [[IF_END]] |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[P_SROA_4_0:%.*]] = phi i32 [ [[A]], [[IF_THEN]] ], [ 0, [[IF_ELSE]] ], !dbg [[DBG27:![0-9]+]] |
| ; CHECK-NEXT: [[P_SROA_0_0:%.*]] = phi i32 [ 0, [[IF_THEN]] ], [ [[B]], [[IF_ELSE]] ], !dbg [[DBG27]] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[P_SROA_0_0]], metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[P_SROA_4_0]], metadata [[META20]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32)), !dbg [[DBG21]] |
| ; CHECK-NEXT: store i32 [[P_SROA_0_0]], ptr @pair, align 4, !dbg [[DBG28:![0-9]+]] |
| ; CHECK-NEXT: store i32 [[P_SROA_4_0]], ptr getelementptr inbounds (i8, ptr @pair, i64 4), align 4, !dbg [[DBG28]] |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %p = alloca %struct.Pair, align 4 |
| call void @llvm.dbg.addr(metadata ptr %p, metadata !20, metadata !DIExpression()), !dbg !26 |
| store i32 %a, ptr %p, align 4, !dbg !28 |
| %y = getelementptr inbounds %struct.Pair, ptr %p, i32 0, i32 1, !dbg !34 |
| store i32 %b, ptr %y, align 4, !dbg !35 |
| %tobool = icmp ne i32 %cond, 0, !dbg !37 |
| br i1 %tobool, label %if.then, label %if.else, !dbg !39 |
| |
| if.then: ; preds = %entry |
| store i32 0, ptr %p, align 4, !dbg !42 |
| %y2 = getelementptr inbounds %struct.Pair, ptr %p, i32 0, i32 1, !dbg !43 |
| store i32 %a, ptr %y2, align 4, !dbg !44 |
| br label %if.end, !dbg !45 |
| |
| if.else: ; preds = %entry |
| store i32 %b, ptr %p, align 4, !dbg !48 |
| %y4 = getelementptr inbounds %struct.Pair, ptr %p, i32 0, i32 1, !dbg !49 |
| store i32 0, ptr %y4, align 4, !dbg !50 |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| call void @llvm.memcpy.p0.p0.i64(ptr align 4 @pair, ptr align 4 %p, i64 8, i1 false), !dbg !51 |
| ret void |
| } |
| |
| |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #2 |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.addr(metadata, metadata, metadata) |
| |
| !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: "newvars.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: "if_else", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !16) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!11, !14, !14, !14} |
| !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Pair", file: !1, line: 1, size: 64, elements: !12) |
| !12 = !{!13, !15} |
| !13 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !11, file: !1, line: 1, baseType: !14, size: 32) |
| !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32) |
| !16 = !{!17, !18, !19, !20} |
| !17 = !DILocalVariable(name: "b", arg: 3, scope: !8, file: !1, line: 2, type: !14) |
| !18 = !DILocalVariable(name: "a", arg: 2, scope: !8, file: !1, line: 2, type: !14) |
| !19 = !DILocalVariable(name: "cond", arg: 1, scope: !8, file: !1, line: 2, type: !14) |
| !20 = !DILocalVariable(name: "p", scope: !8, file: !1, line: 3, type: !11) |
| !22 = !DILocation(line: 2, column: 42, scope: !8) |
| !23 = !DILocation(line: 2, column: 35, scope: !8) |
| !24 = !DILocation(line: 2, column: 25, scope: !8) |
| !25 = !DILocation(line: 3, column: 3, scope: !8) |
| !26 = !DILocation(line: 3, column: 15, scope: !8) |
| !27 = !DILocation(line: 4, column: 5, scope: !8) |
| !28 = !DILocation(line: 4, column: 7, scope: !8) |
| !29 = !{!30, !31, i64 0} |
| !30 = !{!"Pair", !31, i64 0, !31, i64 4} |
| !31 = !{!"int", !32, i64 0} |
| !32 = !{!"omnipotent char", !33, i64 0} |
| !33 = !{!"Simple C/C++ TBAA"} |
| !34 = !DILocation(line: 5, column: 5, scope: !8) |
| !35 = !DILocation(line: 5, column: 7, scope: !8) |
| !36 = !{!30, !31, i64 4} |
| !37 = !DILocation(line: 6, column: 7, scope: !38) |
| !38 = distinct !DILexicalBlock(scope: !8, file: !1, line: 6, column: 7) |
| !39 = !DILocation(line: 6, column: 7, scope: !8) |
| !40 = !DILocation(line: 7, column: 7, scope: !41) |
| !41 = distinct !DILexicalBlock(scope: !38, file: !1, line: 6, column: 13) |
| !42 = !DILocation(line: 7, column: 9, scope: !41) |
| !43 = !DILocation(line: 8, column: 7, scope: !41) |
| !44 = !DILocation(line: 8, column: 9, scope: !41) |
| !45 = !DILocation(line: 9, column: 3, scope: !41) |
| !46 = !DILocation(line: 10, column: 7, scope: !47) |
| !47 = distinct !DILexicalBlock(scope: !38, file: !1, line: 9, column: 10) |
| !48 = !DILocation(line: 10, column: 9, scope: !47) |
| !49 = !DILocation(line: 11, column: 7, scope: !47) |
| !50 = !DILocation(line: 11, column: 9, scope: !47) |
| !51 = !DILocation(line: 13, column: 10, scope: !8) |
| !52 = !{i64 0, i64 4, !53, i64 4, i64 4, !53} |
| !53 = !{!31, !31, i64 0} |
| !54 = !DILocation(line: 14, column: 1, scope: !8) |
| ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| ; CHECK-MODIFY-CFG: {{.*}} |
| ; CHECK-PRESERVE-CFG: {{.*}} |