Files
clang-p2996/llvm/test/Transforms/SLPVectorizer/X86/one-element-vector.ll
Alexey Bataev 019aee8327 [SLP]Improve costs in computeExtractCost() to avoid crash after D158449.
Need to consider the length of the original vector for extractelements,
not the length, matched number of the scalars. It fixes 2 issues: 1)
improves cost estimation; 2) Fixes crashes after D158449.
2023-09-29 07:48:02 -07:00

22 lines
783 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
; RUN: opt -S --passes=slp-vectorizer < %s | FileCheck %s
define void @test() {
; CHECK-LABEL: define void @test() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = extractelement <1 x i64> zeroinitializer, i64 0
; CHECK-NEXT: [[BF_VALUE:%.*]] = and i64 [[TMP0]], 0
; CHECK-NEXT: [[BF_CLEAR:%.*]] = and i64 0, 1
; CHECK-NEXT: [[BF_SET:%.*]] = or i64 [[BF_CLEAR]], [[BF_VALUE]]
; CHECK-NEXT: store i64 [[BF_SET]], ptr null, align 8
; CHECK-NEXT: ret void
;
entry:
%0 = extractelement <1 x i64> zeroinitializer, i64 0
%bf.value = and i64 %0, 0
%bf.clear = and i64 0, 1
%bf.set = or i64 %bf.clear, %bf.value
store i64 %bf.set, ptr null, align 8
ret void
}