llvm-project/llvm/test/Transforms/SLPVectorizer/X86/reused-reductions-with-minbitwidth.ll
Alexey Bataev aae152f1be Revert "[SLP]Improve minbitwidth analysis."
This reverts commit a730ed7c1a4a35f5219df720ffb0ba6122d64fe4 to fix
compile time issue.
2024-03-05 12:13:45 -08:00

31 lines
1.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes=slp-vectorizer -S -mtriple=x86_64-unknown-linux -mcpu=skylake < %s | FileCheck %s
define i1 @test(i1 %cmp5.not.31) {
; CHECK-LABEL: define i1 @test(
; CHECK-SAME: i1 [[CMP5_NOT_31:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i1> <i1 poison, i1 false, i1 false, i1 false>, i1 [[CMP5_NOT_31]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> zeroinitializer, <4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP2:%.*]] = trunc <4 x i32> [[TMP1]] to <4 x i1>
; CHECK-NEXT: [[TMP3:%.*]] = zext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT: [[TMP4:%.*]] = mul <4 x i32> [[TMP3]], <i32 2, i32 1, i32 1, i32 1>
; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP4]])
; CHECK-NEXT: [[TMP6:%.*]] = and i32 [[TMP5]], 0
; CHECK-NEXT: [[CMP_NOT_I_I:%.*]] = icmp eq i32 [[TMP6]], 0
; CHECK-NEXT: ret i1 [[CMP_NOT_I_I]]
;
entry:
%add7.31 = select i1 %cmp5.not.31, i32 0, i32 0
%add18 = select i1 false, i32 0, i32 0
%add19 = add i32 %add18, %add7.31
%add18.1 = select i1 false, i32 0, i32 0
%add19.1 = add i32 %add18.1, %add19
%add18.4 = select i1 false, i32 0, i32 0
%add19.4 = add i32 %add18.4, %add19.1
%add19.31 = add i32 %add7.31, %add19.4
%0 = and i32 %add19.31, 0
%cmp.not.i.i = icmp eq i32 %0, 0
ret i1 %cmp.not.i.i
}