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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes='print<access-info>' -disable-output %s 2>&1 | FileCheck %s3 4; TODO: Accesses are known completely before or after.5define void @test_runtime_check_known_false_after_construction(ptr %start.1, ptr %start.2, ptr %end) {6; CHECK-LABEL: 'test_runtime_check_known_false_after_construction'7; CHECK-NEXT: loop:8; CHECK-NEXT: Memory dependences are safe with run-time checks9; CHECK-NEXT: Dependences:10; CHECK-NEXT: Run-time memory checks:11; CHECK-NEXT: Check 0:12; CHECK-NEXT: Comparing group GRP0:13; CHECK-NEXT: %ptr.iv.1 = phi ptr [ %ptr.iv.1.next, %loop ], [ %start.1, %entry ]14; CHECK-NEXT: Against group GRP1:15; CHECK-NEXT: %ptr.iv.2 = phi ptr [ %ptr.iv.2.next, %loop ], [ %start.2.diff, %entry ]16; CHECK-NEXT: Grouped accesses:17; CHECK-NEXT: Group GRP0:18; CHECK-NEXT: (Low: ((-8 * ((2305843009213693951 * (8 + (-1 * (ptrtoint ptr %start.1 to i64)) + (ptrtoint ptr %end to i64))) /u 8)) + %start.1) High: (8 + %start.1))19; CHECK-NEXT: Member: {%start.1,+,-8}<%loop>20; CHECK-NEXT: Group GRP1:21; CHECK-NEXT: (Low: (-8 + (-8 * ((2305843009213693951 * (8 + (-1 * (ptrtoint ptr %start.1 to i64)) + (ptrtoint ptr %end to i64))) /u 8)) + (-1 * (ptrtoint ptr %start.2 to i64)) + (ptrtoint ptr %start.1 to i64) + %start.2) High: ((-1 * (ptrtoint ptr %start.2 to i64)) + (ptrtoint ptr %start.1 to i64) + %start.2))22; CHECK-NEXT: Member: {(-8 + (-1 * (ptrtoint ptr %start.2 to i64)) + (ptrtoint ptr %start.1 to i64) + %start.2),+,-8}<%loop>23; CHECK-EMPTY:24; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.25; CHECK-NEXT: SCEV assumptions:26; CHECK-NEXT: Equal predicate: (zext i3 ((trunc i64 (ptrtoint ptr %end to i64) to i3) + (-1 * (trunc i64 (ptrtoint ptr %start.1 to i64) to i3))) to i64) == 027; CHECK-EMPTY:28; CHECK-NEXT: Expressions re-written:29;30entry:31 %gep.start.2 = getelementptr i8, ptr %start.2, i64 832 %start.1.int = ptrtoint ptr %start.1 to i6433 %start.2.int = ptrtoint ptr %gep.start.2 to i6434 %diff = sub i64 %start.1.int, %start.2.int35 %start.2.diff = getelementptr i8, ptr %start.2, i64 %diff36 br label %loop37 38loop:39 %ptr.iv.1 = phi ptr [ %ptr.iv.1.next, %loop ], [ %start.1, %entry ]40 %ptr.iv.2 = phi ptr [ %ptr.iv.2.next, %loop ], [ %start.2.diff, %entry ]41 %ptr.iv.2.next = getelementptr i8, ptr %ptr.iv.2, i64 -842 %ptr.iv.1.next = getelementptr i8, ptr %ptr.iv.1, i64 -843 %l = load i64, ptr %ptr.iv.2, align 844 store i64 %l, ptr %ptr.iv.1, align 845 %ec = icmp eq ptr %ptr.iv.2, %end46 br i1 %ec, label %exit, label %loop47 48exit:49 ret void50}51