; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s %struct.Counters = type { i64, i64, i64, [8 x i8] } @m = global i64 3, align 8 @counters = global %struct.Counters zeroinitializer, align 16 define i32 @align_both_equal() local_unnamed_addr { ; CHECK-LABEL: @align_both_equal( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS:%.*]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 1, i64 1> ; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* @m, align 8 ; CHECK-NEXT: [[AND:%.*]] = and i64 [[TMP2]], 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 2, i64 2> ; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TOBOOL]], <2 x i64> [[TMP1]], <2 x i64> [[TMP3]] ; CHECK-NEXT: [[AND4:%.*]] = and i64 [[TMP2]], 2 ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp eq i64 [[AND4]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[TMP4]], <i64 1, i64 1> ; CHECK-NEXT: [[SIMPLIFYCFG_MERGE:%.*]] = select i1 [[TOBOOL5]], <2 x i64> [[TMP4]], <2 x i64> [[TMP5]] ; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL]], true ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TOBOOL5]], true ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9:%.*]], label [[TMP10:%.*]] ; CHECK: 9: ; CHECK-NEXT: store <2 x i64> [[SIMPLIFYCFG_MERGE]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: br label [[TMP10]] ; CHECK: 10: ; CHECK-NEXT: ret i32 0 ; entry: %0 = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %1 = add nsw <2 x i64> %0, <i64 1, i64 1> store <2 x i64> %1, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %2 = load i64, i64* @m, align 8 %and = and i64 %2, 1 %tobool = icmp eq i64 %and, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %3 = add nsw <2 x i64> %0, <i64 2, i64 2> store <2 x i64> %3, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 br label %if.end if.end: ; preds = %entry, %if.then %4 = phi <2 x i64> [ %1, %entry ], [ %3, %if.then ] %and4 = and i64 %2, 2 %tobool5 = icmp eq i64 %and4, 0 br i1 %tobool5, label %if.end9, label %if.then6 if.then6: ; preds = %if.end %5 = add nsw <2 x i64> %4, <i64 1, i64 1> store <2 x i64> %5, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 br label %if.end9 if.end9: ; preds = %if.end, %if.then6 ret i32 0 } define i32 @align_not_equal() local_unnamed_addr { ; CHECK-LABEL: @align_not_equal( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS:%.*]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 1, i64 1> ; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* @m, align 8 ; CHECK-NEXT: [[AND:%.*]] = and i64 [[TMP2]], 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 2, i64 2> ; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TOBOOL]], <2 x i64> [[TMP1]], <2 x i64> [[TMP3]] ; CHECK-NEXT: [[AND4:%.*]] = and i64 [[TMP2]], 2 ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp eq i64 [[AND4]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[TMP4]], <i64 1, i64 1> ; CHECK-NEXT: [[SIMPLIFYCFG_MERGE:%.*]] = select i1 [[TOBOOL5]], <2 x i64> [[TMP4]], <2 x i64> [[TMP5]] ; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL]], true ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TOBOOL5]], true ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9:%.*]], label [[TMP10:%.*]] ; CHECK: 9: ; CHECK-NEXT: store <2 x i64> [[SIMPLIFYCFG_MERGE]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: br label [[TMP10]] ; CHECK: 10: ; CHECK-NEXT: ret i32 0 ; entry: %0 = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %1 = add nsw <2 x i64> %0, <i64 1, i64 1> store <2 x i64> %1, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %2 = load i64, i64* @m, align 8 %and = and i64 %2, 1 %tobool = icmp eq i64 %and, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %3 = add nsw <2 x i64> %0, <i64 2, i64 2> store <2 x i64> %3, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 16 br label %if.end if.end: ; preds = %entry, %if.then %4 = phi <2 x i64> [ %1, %entry ], [ %3, %if.then ] %and4 = and i64 %2, 2 %tobool5 = icmp eq i64 %and4, 0 br i1 %tobool5, label %if.end9, label %if.then6 if.then6: ; preds = %if.end %5 = add nsw <2 x i64> %4, <i64 1, i64 1> store <2 x i64> %5, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 br label %if.end9 if.end9: ; preds = %if.end, %if.then6 ret i32 0 } define i32 @align_single_zero() local_unnamed_addr { ; CHECK-LABEL: @align_single_zero( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS:%.*]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 1, i64 1> ; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* @m, align 8 ; CHECK-NEXT: [[AND:%.*]] = and i64 [[TMP2]], 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 2, i64 2> ; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TOBOOL]], <2 x i64> [[TMP1]], <2 x i64> [[TMP3]] ; CHECK-NEXT: [[AND4:%.*]] = and i64 [[TMP2]], 2 ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp eq i64 [[AND4]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[TMP4]], <i64 1, i64 1> ; CHECK-NEXT: [[SIMPLIFYCFG_MERGE:%.*]] = select i1 [[TOBOOL5]], <2 x i64> [[TMP4]], <2 x i64> [[TMP5]] ; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL]], true ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TOBOOL5]], true ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9:%.*]], label [[TMP10:%.*]] ; CHECK: 9: ; CHECK-NEXT: store <2 x i64> [[SIMPLIFYCFG_MERGE]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: br label [[TMP10]] ; CHECK: 10: ; CHECK-NEXT: ret i32 0 ; entry: %0 = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %1 = add nsw <2 x i64> %0, <i64 1, i64 1> store <2 x i64> %1, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %2 = load i64, i64* @m, align 8 %and = and i64 %2, 1 %tobool = icmp eq i64 %and, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %3 = add nsw <2 x i64> %0, <i64 2, i64 2> store <2 x i64> %3, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*) br label %if.end if.end: ; preds = %entry, %if.then %4 = phi <2 x i64> [ %1, %entry ], [ %3, %if.then ] %and4 = and i64 %2, 2 %tobool5 = icmp eq i64 %and4, 0 br i1 %tobool5, label %if.end9, label %if.then6 if.then6: ; preds = %if.end %5 = add nsw <2 x i64> %4, <i64 1, i64 1> store <2 x i64> %5, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 br label %if.end9 if.end9: ; preds = %if.end, %if.then6 ret i32 0 } define i32 @align_single_zero_second_greater_default() local_unnamed_addr { ; CHECK-LABEL: @align_single_zero_second_greater_default( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS:%.*]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 1, i64 1> ; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* @m, align 8 ; CHECK-NEXT: [[AND:%.*]] = and i64 [[TMP2]], 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 2, i64 2> ; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TOBOOL]], <2 x i64> [[TMP1]], <2 x i64> [[TMP3]] ; CHECK-NEXT: [[AND4:%.*]] = and i64 [[TMP2]], 2 ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp eq i64 [[AND4]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[TMP4]], <i64 1, i64 1> ; CHECK-NEXT: [[SIMPLIFYCFG_MERGE:%.*]] = select i1 [[TOBOOL5]], <2 x i64> [[TMP4]], <2 x i64> [[TMP5]] ; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL]], true ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TOBOOL5]], true ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9:%.*]], label [[TMP10:%.*]] ; CHECK: 9: ; CHECK-NEXT: store <2 x i64> [[SIMPLIFYCFG_MERGE]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 16 ; CHECK-NEXT: br label [[TMP10]] ; CHECK: 10: ; CHECK-NEXT: ret i32 0 ; entry: %0 = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %1 = add nsw <2 x i64> %0, <i64 1, i64 1> store <2 x i64> %1, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %2 = load i64, i64* @m, align 8 %and = and i64 %2, 1 %tobool = icmp eq i64 %and, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %3 = add nsw <2 x i64> %0, <i64 2, i64 2> store <2 x i64> %3, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 32 br label %if.end if.end: ; preds = %entry, %if.then %4 = phi <2 x i64> [ %1, %entry ], [ %3, %if.then ] %and4 = and i64 %2, 2 %tobool5 = icmp eq i64 %and4, 0 br i1 %tobool5, label %if.end9, label %if.then6 if.then6: ; preds = %if.end %5 = add nsw <2 x i64> %4, <i64 1, i64 1> store <2 x i64> %5, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*) br label %if.end9 if.end9: ; preds = %if.end, %if.then6 ret i32 0 } define i32 @align_both_zero() local_unnamed_addr { ; CHECK-LABEL: @align_both_zero( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS:%.*]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 1, i64 1> ; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* @m, align 8 ; CHECK-NEXT: [[AND:%.*]] = and i64 [[TMP2]], 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i64> [[TMP0]], <i64 2, i64 2> ; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TOBOOL]], <2 x i64> [[TMP1]], <2 x i64> [[TMP3]] ; CHECK-NEXT: [[AND4:%.*]] = and i64 [[TMP2]], 2 ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp eq i64 [[AND4]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[TMP4]], <i64 1, i64 1> ; CHECK-NEXT: [[SIMPLIFYCFG_MERGE:%.*]] = select i1 [[TOBOOL5]], <2 x i64> [[TMP4]], <2 x i64> [[TMP5]] ; CHECK-NEXT: [[TMP6:%.*]] = xor i1 [[TOBOOL]], true ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TOBOOL5]], true ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9:%.*]], label [[TMP10:%.*]] ; CHECK: 9: ; CHECK-NEXT: store <2 x i64> [[SIMPLIFYCFG_MERGE]], <2 x i64>* bitcast (i64* getelementptr inbounds ([[STRUCT_COUNTERS]], %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 16 ; CHECK-NEXT: br label [[TMP10]] ; CHECK: 10: ; CHECK-NEXT: ret i32 0 ; entry: %0 = load <2 x i64>, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %1 = add nsw <2 x i64> %0, <i64 1, i64 1> store <2 x i64> %1, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*), align 8 %2 = load i64, i64* @m, align 8 %and = and i64 %2, 1 %tobool = icmp eq i64 %and, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %3 = add nsw <2 x i64> %0, <i64 2, i64 2> store <2 x i64> %3, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*) br label %if.end if.end: ; preds = %entry, %if.then %4 = phi <2 x i64> [ %1, %entry ], [ %3, %if.then ] %and4 = and i64 %2, 2 %tobool5 = icmp eq i64 %and4, 0 br i1 %tobool5, label %if.end9, label %if.then6 if.then6: ; preds = %if.end %5 = add nsw <2 x i64> %4, <i64 1, i64 1> store <2 x i64> %5, <2 x i64>* bitcast (i64* getelementptr inbounds (%struct.Counters, %struct.Counters* @counters, i64 0, i32 1) to <2 x i64>*) br label %if.end9 if.end9: ; preds = %if.end, %if.then6 ret i32 0 }