; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -passes=gvn -gvn-max-num-insns=22 -S | FileCheck %s --check-prefixes=CHECK,MDEP ; RUN: opt < %s -passes='gvn' -gvn-max-num-insns=22 -S | FileCheck %s --check-prefixes=CHECK,MSSA ; Debug information should not impact gvn. The following two functions have same ; code except debug information. They should generate same optimized ; instructions. %struct.a = type { i16 } @f = local_unnamed_addr global i16 0, align 1 @m = local_unnamed_addr global ptr null, align 1 @h = global %struct.a zeroinitializer, align 1 define void @withdbg() { ; CHECK-LABEL: define void @withdbg() { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_I:%.*]] = alloca i16, align 1 ; CHECK-NEXT: br i1 true, label %[[ENTRY_LOR_END_CRIT_EDGE:.*]], label %[[LOR_RHS:.*]] ; CHECK: [[ENTRY_LOR_END_CRIT_EDGE]]: ; CHECK-NEXT: [[TMP11_PRE:%.*]] = load i16, ptr @f, align 1 ; CHECK-NEXT: [[TMP12_PRE:%.*]] = load ptr, ptr @m, align 1 ; CHECK-NEXT: br label %[[LOR_END:.*]] ; CHECK: [[LOR_RHS]]: ; CHECK-NEXT: #dbg_declare(ptr undef, [[META4:![0-9]+]], !DIExpression(), [[META14:![0-9]+]]) ; CHECK-NEXT: #dbg_declare(ptr undef, [[META10:![0-9]+]], !DIExpression(), [[META14]]) ; CHECK-NEXT: #dbg_declare(ptr undef, [[META11:![0-9]+]], !DIExpression(), [[META14]]) ; CHECK-NEXT: #dbg_declare(ptr undef, [[META12:![0-9]+]], !DIExpression(), [[META14]]) ; CHECK-NEXT: #dbg_declare(ptr undef, [[META13:![0-9]+]], !DIExpression(), [[META14]]) ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_1_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_1_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_2_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_2_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_3_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_3_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_4_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_4_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_5_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_5_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_6_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_6_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_7_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_7_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_8_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_8_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[FVALUE:%.*]] = load i16, ptr @f, align 1 ; CHECK-NEXT: [[MVALUE:%.*]] = load ptr, ptr @m, align 1 ; CHECK-NEXT: br label %[[LOR_END]] ; CHECK: [[LOR_END]]: ; CHECK-NEXT: [[TMP12:%.*]] = phi ptr [ [[TMP12_PRE]], %[[ENTRY_LOR_END_CRIT_EDGE]] ], [ poison, %[[LOR_RHS]] ] ; CHECK-NEXT: [[TMP11:%.*]] = phi i16 [ [[TMP11_PRE]], %[[ENTRY_LOR_END_CRIT_EDGE]] ], [ poison, %[[LOR_RHS]] ] ; CHECK-NEXT: [[CONV_I_I6:%.*]] = sext i16 [[TMP11]] to i32 ; CHECK-NEXT: store i32 [[CONV_I_I6]], ptr [[TMP12]], align 1 ; CHECK-NEXT: ret void ; entry: %agg.tmp.ensured.sroa.0.i = alloca i16, align 1 %cmp = icmp ne ptr @withdbg, null br i1 %cmp, label %lor.end, label %lor.rhs lor.rhs: ; preds = %entry call void @llvm.dbg.declare(metadata ptr undef, metadata !46, metadata !DIExpression()), !dbg !40 call void @llvm.dbg.declare(metadata ptr undef, metadata !47, metadata !DIExpression()), !dbg !40 call void @llvm.dbg.declare(metadata ptr undef, metadata !48, metadata !DIExpression()), !dbg !40 call void @llvm.dbg.declare(metadata ptr undef, metadata !49, metadata !DIExpression()), !dbg !40 call void @llvm.dbg.declare(metadata ptr undef, metadata !50, metadata !DIExpression()), !dbg !40 %agg.tmp.ensured.sroa.0.0.copyload.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.1.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.1.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.2.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.2.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.3.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.3.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.4.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.4.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.5.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.5.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.6.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.6.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.7.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.7.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.8.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.8.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %fvalue = load i16, ptr @f, align 1 %mvalue = load ptr, ptr @m, align 1 br label %lor.end lor.end: ; preds = %lor.rhs, %entry %tmp11 = load i16, ptr @f, align 1 %conv.i.i6 = sext i16 %tmp11 to i32 %tmp12 = load ptr, ptr @m, align 1 store i32 %conv.i.i6, ptr %tmp12, align 1 ret void } define void @lessdbg() { ; CHECK-LABEL: define void @lessdbg() { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_I:%.*]] = alloca i16, align 1 ; CHECK-NEXT: br i1 true, label %[[ENTRY_LOR_END_CRIT_EDGE:.*]], label %[[LOR_RHS:.*]] ; CHECK: [[ENTRY_LOR_END_CRIT_EDGE]]: ; CHECK-NEXT: [[TMP11_PRE:%.*]] = load i16, ptr @f, align 1 ; CHECK-NEXT: [[TMP12_PRE:%.*]] = load ptr, ptr @m, align 1 ; CHECK-NEXT: br label %[[LOR_END:.*]] ; CHECK: [[LOR_RHS]]: ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_1_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_1_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_2_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_2_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_3_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_3_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_4_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_4_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_5_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_5_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_6_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_6_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_7_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_7_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_8_I:%.*]] = load volatile i16, ptr @h, align 1 ; CHECK-NEXT: store i16 [[AGG_TMP_ENSURED_SROA_0_0_COPYLOAD_8_I]], ptr [[AGG_TMP_ENSURED_SROA_0_I]], align 1 ; CHECK-NEXT: [[FVALUE:%.*]] = load i16, ptr @f, align 1 ; CHECK-NEXT: [[MVALUE:%.*]] = load ptr, ptr @m, align 1 ; CHECK-NEXT: br label %[[LOR_END]] ; CHECK: [[LOR_END]]: ; CHECK-NEXT: [[TMP12:%.*]] = phi ptr [ [[TMP12_PRE]], %[[ENTRY_LOR_END_CRIT_EDGE]] ], [ poison, %[[LOR_RHS]] ] ; CHECK-NEXT: [[TMP11:%.*]] = phi i16 [ [[TMP11_PRE]], %[[ENTRY_LOR_END_CRIT_EDGE]] ], [ poison, %[[LOR_RHS]] ] ; CHECK-NEXT: [[CONV_I_I6:%.*]] = sext i16 [[TMP11]] to i32 ; CHECK-NEXT: store i32 [[CONV_I_I6]], ptr [[TMP12]], align 1 ; CHECK-NEXT: ret void ; entry: %agg.tmp.ensured.sroa.0.i = alloca i16, align 1 %cmp = icmp ne ptr @lessdbg, null br i1 %cmp, label %lor.end, label %lor.rhs lor.rhs: ; preds = %entry %agg.tmp.ensured.sroa.0.0.copyload.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.1.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.1.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.2.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.2.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.3.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.3.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.4.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.4.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.5.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.5.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.6.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.6.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.7.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.7.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %agg.tmp.ensured.sroa.0.0.copyload.8.i = load volatile i16, ptr @h, align 1 store i16 %agg.tmp.ensured.sroa.0.0.copyload.8.i, ptr %agg.tmp.ensured.sroa.0.i, align 1 %fvalue = load i16, ptr @f, align 1 %mvalue = load ptr, ptr @m, align 1 br label %lor.end lor.end: ; preds = %lor.rhs, %entry %tmp11 = load i16, ptr @f, align 1 %conv.i.i6 = sext i16 %tmp11 to i32 %tmp12 = load ptr, ptr @m, align 1 store i32 %conv.i.i6, ptr %tmp12, align 1 ret void } declare void @llvm.dbg.declare(metadata, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!35, !36} !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 17.0.0.prerel", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) !1 = !DIFile(filename: "bbi-78272.c", directory: "/tmp") !5 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) !35 = !{i32 7, !"Dwarf Version", i32 4} !36 = !{i32 2, !"Debug Info Version", i32 3} !40 = !DILocation(line: 15, column: 7, scope: !41) !41 = distinct !DISubprogram(name: "x", scope: !1, file: !1, line: 14, type: !42, scopeLine: 14, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !45) !42 = !DISubroutineType(types: !43) !43 = !{!5} !45 = !{!46, !47, !48, !49, !50} !46 = !DILocalVariable(name: "t", scope: !41, file: !1, line: 15, type: !5) !47 = !DILocalVariable(name: "c", scope: !41, file: !1, line: 15, type: !5) !48 = !DILocalVariable(name: "v", scope: !41, file: !1, line: 15, type: !5) !49 = !DILocalVariable(name: "d", scope: !41, file: !1, line: 15, type: !5) !50 = !DILocalVariable(name: "u", scope: !41, file: !1, line: 16, type: !5) ;. ; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) ; CHECK: [[META1]] = !DIFile(filename: "{{.*}}bbi-78272.c", directory: {{.*}}) ; CHECK: [[META4]] = !DILocalVariable(name: "t", scope: [[META5:![0-9]+]], file: [[META1]], line: 15, type: [[META8:![0-9]+]]) ; CHECK: [[META5]] = distinct !DISubprogram(name: "x", scope: [[META1]], file: [[META1]], line: 14, type: [[META6:![0-9]+]], scopeLine: 14, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META9:![0-9]+]]) ; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]]) ; CHECK: [[META7]] = !{[[META8]]} ; CHECK: [[META8]] = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) ; CHECK: [[META9]] = !{[[META4]], [[META10]], [[META11]], [[META12]], [[META13]]} ; CHECK: [[META10]] = !DILocalVariable(name: "c", scope: [[META5]], file: [[META1]], line: 15, type: [[META8]]) ; CHECK: [[META11]] = !DILocalVariable(name: "v", scope: [[META5]], file: [[META1]], line: 15, type: [[META8]]) ; CHECK: [[META12]] = !DILocalVariable(name: "d", scope: [[META5]], file: [[META1]], line: 15, type: [[META8]]) ; CHECK: [[META13]] = !DILocalVariable(name: "u", scope: [[META5]], file: [[META1]], line: 16, type: [[META8]]) ; CHECK: [[META14]] = !DILocation(line: 15, column: 7, scope: [[META5]]) ;. ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: ; MDEP: {{.*}} ; MSSA: {{.*}}