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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -S -passes=loop-vectorize -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s3 4define void @foo(ptr %start, ptr %end) {5; CHECK-LABEL: @foo(6; CHECK-NEXT: entry:7; CHECK-NEXT: [[START2:%.*]] = ptrtoint ptr [[START:%.*]] to i648; CHECK-NEXT: [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i649; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[END1]] to i3210; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[END1]], -111; CHECK-NEXT: [[UMIN:%.*]] = call i64 @llvm.umin.i64(i64 [[START2]], i64 [[TMP1]])12; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[UMIN]] to i3213; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP0]], [[TMP2]]14; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP3]], 215; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]16; CHECK: vector.ph:17; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP3]], 218; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP3]], [[N_MOD_VF]]19; CHECK-NEXT: [[IND_END:%.*]] = sub i32 0, [[N_VEC]]20; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]21; CHECK: vector.body:22; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]23; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 0, [[INDEX]]24; CHECK-NEXT: [[INDUCTION3:%.*]] = add i32 [[OFFSET_IDX]], -125; CHECK-NEXT: [[TMP4:%.*]] = add nsw i32 -1, [[OFFSET_IDX]]26; CHECK-NEXT: [[TMP5:%.*]] = add nsw i32 -1, [[INDUCTION3]]27; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[END]], i32 [[TMP4]]28; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[END]], i32 [[TMP5]]29; CHECK-NEXT: store i8 0, ptr [[TMP6]], align 130; CHECK-NEXT: store i8 0, ptr [[TMP7]], align 131; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 232; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]33; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]34; CHECK: middle.block:35; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]36; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]37; CHECK: scalar.ph:38; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]39; CHECK-NEXT: br label [[WHILE_BODY:%.*]]40; CHECK: while.body:41; CHECK-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[ADD:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]42; CHECK-NEXT: [[ADD]] = add nsw i32 -1, [[COUNT_09]]43; CHECK-NEXT: [[G:%.*]] = getelementptr i8, ptr [[END]], i32 [[ADD]]44; CHECK-NEXT: store i8 0, ptr [[G]], align 145; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[START]], [[G]]46; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_BODY]], label [[WHILE_END_LOOPEXIT]], !llvm.loop [[LOOP2:![0-9]+]]47; CHECK: while.end.loopexit:48; CHECK-NEXT: ret void49;50entry:51 br label %while.body52 53while.body: ; preds = %while.body, %entry54 %count.09 = phi i32 [ %add, %while.body ], [ 0, %entry ]55 %add = add nsw i32 -1, %count.0956 %G = getelementptr i8, ptr %end, i32 %add57 store i8 0, ptr %G58 %cmp = icmp ult ptr %start, %G59 br i1 %cmp, label %while.body, label %while.end.loopexit60 61while.end.loopexit: ; preds = %while.body62 ret void63}64