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[SLP][NFC]Add a test with the incorrect vectorization for the pointers with distance difference > 2^32

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Alexey Bataev 2025-05-12 06:28:03 -07:00
parent c1e678b134
commit 2e13f7ab01
1 changed files with 21 additions and 0 deletions
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llvm/test/Transforms/SLPVectorizer/X86/long-pointer-distance.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-grtev4-linux-gnu < %s -mattr=+avx | FileCheck %s
define void @test(ptr %this) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[THIS:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: store <4 x i64> <i64 1, i64 2, i64 3, i64 4>, ptr [[THIS]], align 8
; CHECK-NEXT: ret void
;
entry:
store i64 1, ptr %this, align 8
%b = getelementptr i8, ptr %this, i64 8
store i64 2, ptr %b, align 8
%c = getelementptr i8, ptr %this, i64 u0x100000010
store i64 3, ptr %c, align 8
%d = getelementptr i8, ptr %this, i64 u0x100000018
store i64 4, ptr %d, align 8
ret void
}