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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 52; RUN: opt -p loop-vectorize -force-vector-width=4 -S %s | FileCheck %s3 4define void @test_runtime_check_known_false_after_construction(ptr %start.1, ptr %start.2, ptr %end) {5; CHECK-LABEL: define void @test_runtime_check_known_false_after_construction(6; CHECK-SAME: ptr [[START_1:%.*]], ptr [[START_2:%.*]], ptr [[END:%.*]]) {7; CHECK-NEXT: [[ENTRY:.*]]:8; CHECK-NEXT: [[END1:%.*]] = ptrtoint ptr [[END]] to i649; CHECK-NEXT: [[GEP_START_2:%.*]] = getelementptr i8, ptr [[START_2]], i64 810; CHECK-NEXT: [[START_1_INT:%.*]] = ptrtoint ptr [[START_1]] to i6411; CHECK-NEXT: [[START_2_INT:%.*]] = ptrtoint ptr [[GEP_START_2]] to i6412; CHECK-NEXT: [[DIFF:%.*]] = sub i64 [[START_1_INT]], [[START_2_INT]]13; CHECK-NEXT: [[START_2_DIFF:%.*]] = getelementptr i8, ptr [[START_2]], i64 [[DIFF]]14; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[END1]], 815; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[TMP0]], [[START_1_INT]]16; CHECK-NEXT: [[TMP2:%.*]] = mul i64 [[TMP1]], 230584300921369395117; CHECK-NEXT: [[TMP3:%.*]] = lshr i64 [[TMP2]], 318; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 119; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP4]], 420; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]21; CHECK: [[VECTOR_SCEVCHECK]]:22; CHECK-NEXT: [[TMP5:%.*]] = trunc i64 [[END1]] to i323; CHECK-NEXT: [[TMP6:%.*]] = trunc i64 [[START_1_INT]] to i324; CHECK-NEXT: [[TMP7:%.*]] = sub i3 [[TMP5]], [[TMP6]]25; CHECK-NEXT: [[TMP8:%.*]] = zext i3 [[TMP7]] to i6426; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i64 [[TMP8]], 027; CHECK-NEXT: br i1 [[IDENT_CHECK]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]28; CHECK: [[VECTOR_PH]]:29; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP4]], 430; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP4]], [[N_MOD_VF]]31; CHECK-NEXT: [[TMP9:%.*]] = mul i64 [[N_VEC]], -832; CHECK-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[START_1]], i64 [[TMP9]]33; CHECK-NEXT: [[TMP11:%.*]] = mul i64 [[N_VEC]], -834; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[START_2_DIFF]], i64 [[TMP11]]35; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]36; CHECK: [[VECTOR_BODY]]:37; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]38; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], -839; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[START_1]], i64 [[OFFSET_IDX]]40; CHECK-NEXT: [[OFFSET_IDX2:%.*]] = mul i64 [[INDEX]], -841; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[START_2_DIFF]], i64 [[OFFSET_IDX2]]42; CHECK-NEXT: [[TMP13:%.*]] = getelementptr i64, ptr [[NEXT_GEP3]], i64 043; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i64, ptr [[TMP13]], i64 -344; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i64>, ptr [[TMP14]], align 845; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i64> [[WIDE_LOAD]], <4 x i64> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>46; CHECK-NEXT: [[TMP15:%.*]] = getelementptr i64, ptr [[NEXT_GEP]], i64 047; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i64, ptr [[TMP15]], i64 -348; CHECK-NEXT: [[REVERSE4:%.*]] = shufflevector <4 x i64> [[REVERSE]], <4 x i64> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>49; CHECK-NEXT: store <4 x i64> [[REVERSE4]], ptr [[TMP16]], align 850; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 451; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]52; CHECK-NEXT: br i1 [[TMP17]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]53; CHECK: [[MIDDLE_BLOCK]]:54; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]55; CHECK-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]56; CHECK: [[SCALAR_PH]]:57; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[TMP10]], %[[MIDDLE_BLOCK]] ], [ [[START_1]], %[[ENTRY]] ], [ [[START_1]], %[[VECTOR_SCEVCHECK]] ]58; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi ptr [ [[TMP12]], %[[MIDDLE_BLOCK]] ], [ [[START_2_DIFF]], %[[ENTRY]] ], [ [[START_2_DIFF]], %[[VECTOR_SCEVCHECK]] ]59; CHECK-NEXT: br label %[[LOOP:.*]]60; CHECK: [[LOOP]]:61; CHECK-NEXT: [[PTR_IV_1:%.*]] = phi ptr [ [[PTR_IV_1_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]62; CHECK-NEXT: [[PTR_IV_2:%.*]] = phi ptr [ [[PTR_IV_2_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL5]], %[[SCALAR_PH]] ]63; CHECK-NEXT: [[PTR_IV_2_NEXT]] = getelementptr i8, ptr [[PTR_IV_2]], i64 -864; CHECK-NEXT: [[PTR_IV_1_NEXT]] = getelementptr i8, ptr [[PTR_IV_1]], i64 -865; CHECK-NEXT: [[L:%.*]] = load i64, ptr [[PTR_IV_2]], align 866; CHECK-NEXT: store i64 [[L]], ptr [[PTR_IV_1]], align 867; CHECK-NEXT: [[EC:%.*]] = icmp eq ptr [[PTR_IV_2]], [[END]]68; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]69; CHECK: [[EXIT]]:70; CHECK-NEXT: ret void71;72entry:73 %gep.start.2 = getelementptr i8, ptr %start.2, i64 874 %start.1.int = ptrtoint ptr %start.1 to i6475 %start.2.int = ptrtoint ptr %gep.start.2 to i6476 %diff = sub i64 %start.1.int, %start.2.int77 %start.2.diff = getelementptr i8, ptr %start.2, i64 %diff78 br label %loop79 80loop:81 %ptr.iv.1 = phi ptr [ %ptr.iv.1.next, %loop ], [ %start.1, %entry ]82 %ptr.iv.2 = phi ptr [ %ptr.iv.2.next, %loop ], [ %start.2.diff, %entry ]83 %ptr.iv.2.next = getelementptr i8, ptr %ptr.iv.2, i64 -884 %ptr.iv.1.next = getelementptr i8, ptr %ptr.iv.1, i64 -885 %l = load i64, ptr %ptr.iv.2, align 886 store i64 %l, ptr %ptr.iv.1, align 887 %ec = icmp eq ptr %ptr.iv.2, %end88 br i1 %ec, label %exit, label %loop89 90exit:91 ret void92}93