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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt < %s -passes=loop-interchange -verify-dom-info -verify-loop-info -S 2>&1 | FileCheck %s3 4@A = common global [100 x [100 x i64]] zeroinitializer5@N = dso_local local_unnamed_addr global i64 100, align 86 7; Inner loop induction variable exit condition depends on8; an outer loop invariant, can do interchange.9;10define void @interchange_04(i64 %k) {11; CHECK-LABEL: define void @interchange_04(12; CHECK-SAME: i64 [[K:%.*]]) {13; CHECK-NEXT: [[ENTRY:.*:]]14; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @N, align 415; CHECK-NEXT: br label %[[FOR2_PREHEADER:.*]]16; CHECK: [[FOR1_HEADER_PREHEADER:.*]]:17; CHECK-NEXT: br label %[[FOR1_HEADER:.*]]18; CHECK: [[FOR1_HEADER]]:19; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR1_INC10:.*]] ], [ 0, %[[FOR1_HEADER_PREHEADER]] ]20; CHECK-NEXT: br label %[[FOR2_SPLIT1:.*]]21; CHECK: [[FOR2_PREHEADER]]:22; CHECK-NEXT: br label %[[FOR2:.*]]23; CHECK: [[FOR2]]:24; CHECK-NEXT: [[J:%.*]] = phi i64 [ [[TMP1:%.*]], %[[FOR2_SPLIT:.*]] ], [ 0, %[[FOR2_PREHEADER]] ]25; CHECK-NEXT: br label %[[FOR1_HEADER_PREHEADER]]26; CHECK: [[FOR2_SPLIT1]]:27; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds [100 x [100 x i64]], ptr @A, i64 0, i64 [[J]], i64 [[I]]28; CHECK-NEXT: [[LV:%.*]] = load i64, ptr [[ARRAYIDX5]], align 429; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[LV]], [[K]]30; CHECK-NEXT: store i64 [[ADD]], ptr [[ARRAYIDX5]], align 431; CHECK-NEXT: [[J_NEXT:%.*]] = add nuw nsw i64 [[J]], 132; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[TMP0]], [[J]]33; CHECK-NEXT: br label %[[FOR1_INC10]]34; CHECK: [[FOR2_SPLIT]]:35; CHECK-NEXT: [[TMP1]] = add nuw nsw i64 [[J]], 136; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i64 [[TMP0]], [[J]]37; CHECK-NEXT: br i1 [[TMP2]], label %[[FOR2]], label %[[FOR_END12:.*]]38; CHECK: [[FOR1_INC10]]:39; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 140; CHECK-NEXT: [[EXITCOND26:%.*]] = icmp eq i64 [[I]], 9941; CHECK-NEXT: br i1 [[EXITCOND26]], label %[[FOR2_SPLIT]], label %[[FOR1_HEADER]]42; CHECK: [[FOR_END12]]:43; CHECK-NEXT: ret void44;45entry:46 %0 = load i64, ptr @N, align 447 br label %for1.header48 49for1.header:50 %i = phi i64 [ 0, %entry ], [ %i.next, %for1.inc10 ]51 br label %for252 53for2:54 %j = phi i64 [ %j.next, %for2 ], [ 0, %for1.header ]55 %arrayidx5 = getelementptr inbounds [100 x [100 x i64]], ptr @A, i64 0, i64 %j, i64 %i56 %lv = load i64, ptr %arrayidx557 %add = add nsw i64 %lv, %k58 store i64 %add, ptr %arrayidx559 %j.next = add nuw nsw i64 %j, 160 %exitcond = icmp ne i64 %0, %j61 br i1 %exitcond, label %for2, label %for1.inc1062 63for1.inc10:64 %i.next = add nuw nsw i64 %i, 165 %exitcond26 = icmp eq i64 %i, 9966 br i1 %exitcond26, label %for.end12, label %for1.header67 68for.end12:69 ret void70}71