Files
clang-p2996/llvm/test/Transforms/SLPVectorizer/X86/entries-different-vf.ll
Alexey Bataev a988821123 [SLP]Keep the original order in the reductions.
The patch tries to keep the original order of the instruction in the
reductions. Previously, two first instructions were switched, giving
reverse order.
The first step to support of the ordered reductions.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/98025
2024-07-09 12:26:42 -04:00

53 lines
2.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu -mcpu=icelake-server -S < %s | FileCheck %s
define i1 @test(i64 %v) {
; CHECK-LABEL: define i1 @test
; CHECK-SAME: (i64 [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[V]], 1
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[V]], 3
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[V]], 7
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <8 x i64> <i64 poison, i64 poison, i64 poison, i64 poison, i64 0, i64 0, i64 0, i64 0>, i64 [[TMP1]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <8 x i64> [[TMP3]], <8 x i64> poison, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i64> <i64 undef, i64 undef, i64 0, i64 0>, i64 [[TMP2]], i32 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x i64> [[TMP5]], i64 [[TMP0]], i32 1
; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <4 x i64> [[TMP6]], <4 x i64> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 0, i32 3, i32 1>
; CHECK-NEXT: [[TMP8:%.*]] = or <8 x i64> [[TMP4]], [[TMP7]]
; CHECK-NEXT: [[TMP9:%.*]] = sub <8 x i64> [[TMP4]], [[TMP7]]
; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <8 x i64> [[TMP8]], <8 x i64> [[TMP9]], <8 x i32> <i32 0, i32 1, i32 2, i32 11, i32 12, i32 5, i32 6, i32 7>
; CHECK-NEXT: [[TMP11:%.*]] = icmp ult <8 x i64> [[TMP10]], zeroinitializer
; CHECK-NEXT: [[TMP12:%.*]] = call i1 @llvm.vector.reduce.or.v8i1(<8 x i1> [[TMP11]])
; CHECK-NEXT: ret i1 [[TMP12]]
;
entry:
%0 = shl i64 %v, 1
%1 = add i64 %v, 3
%2 = add i64 %v, 7
%3 = or i64 %2, %1
%cmp750 = icmp ult i64 %3, 0
%4 = or i64 %0, %1
%cmp752 = icmp ult i64 %4, 0
%or753 = or i1 %cmp750, %cmp752
%5 = or i64 0, %1
%cmp754 = icmp ult i64 %5, 0
%or755 = or i1 %or753, %cmp754
%6 = extractelement <16 x i64> zeroinitializer, i32 0
%7 = sub i64 %1, %6
%cmp756 = icmp ult i64 %7, 0
%or757 = or i1 %or755, %cmp756
%8 = sub i64 0, %2
%cmp758 = icmp ult i64 %8, 0
%or759 = or i1 %or757, %cmp758
%9 = or i64 0, %2
%cmp760 = icmp ult i64 %9, 0
%or761 = or i1 %or759, %cmp760
%10 = or i64 0, %6
%cmp762 = icmp ult i64 %10, 0
%or763 = or i1 %or761, %cmp762
%11 = or i64 0, %0
%cmp764 = icmp ult i64 %11, 0
%or765 = or i1 %or763, %cmp764
ret i1 %or765
}