47 lines · plain
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 4target datalayout = "p:16:16"5 6define void @geps_may_wrap(ptr %a, ptr %b, i64 %N) {7; CHECK-LABEL: 'geps_may_wrap'8; CHECK-NEXT: loop:9; CHECK-NEXT: Memory dependences are safe with run-time checks10; CHECK-NEXT: Dependences:11; CHECK-NEXT: Run-time memory checks:12; CHECK-NEXT: Check 0:13; CHECK-NEXT: Comparing group GRP0:14; CHECK-NEXT: ptr %b15; CHECK-NEXT: Against group GRP1:16; CHECK-NEXT: %gep.iv = getelementptr i32, ptr %a, i64 %iv17; CHECK-NEXT: Grouped accesses:18; CHECK-NEXT: Group GRP0:19; CHECK-NEXT: (Low: %b High: (4 + %b))20; CHECK-NEXT: Member: %b21; CHECK-NEXT: Group GRP1:22; CHECK-NEXT: (Low: %a High: (16 + (12 * (trunc i128 ((zext i64 %N to i128) /u 3) to i16)) + %a))23; CHECK-NEXT: Member: {%a,+,12}<%loop>24; CHECK-EMPTY:25; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.26; CHECK-NEXT: SCEV assumptions:27; CHECK-NEXT: {0,+,3}<%loop> Added Flags: <nusw>28; CHECK-NEXT: {%a,+,12}<%loop> Added Flags: <nusw>29; CHECK-EMPTY:30; CHECK-NEXT: Expressions re-written:31;32entry:33 br label %loop34 35loop:36 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]37 %gep.iv = getelementptr i32, ptr %a, i64 %iv38 store i32 0, ptr %gep.iv, align 139 store i32 0, ptr %b, align 140 %iv.next = add i64 %iv, 341 %.not = icmp ult i64 %N, %iv42 br i1 %.not, label %exit, label %loop43 44exit:45 ret void46}47