xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/minbitwidth-cast.ll (revision 5adfad254edb765fbbabdf5e7521cfb3111dfeb1)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt --passes=slp-vectorizer -slp-threshold=-25 -mtriple=x86_64-unknown-linux-gnu -S < %s | FileCheck %s
3
4define ptr @test(i8 %0) {
5; CHECK-LABEL: define ptr @test(
6; CHECK-SAME: i8 [[TMP0:%.*]]) {
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    [[CONV12_I:%.*]] = zext i8 [[TMP0]] to i32
9; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> <i32 0, i32 poison>, i32 [[CONV12_I]], i32 1
10; CHECK-NEXT:    [[TMP2:%.*]] = lshr <2 x i32> [[TMP1]], zeroinitializer
11; CHECK-NEXT:    [[TMP3:%.*]] = trunc <2 x i32> [[TMP2]] to <2 x i8>
12; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x i8> [[TMP3]], i32 0
13; CHECK-NEXT:    [[TMP5:%.*]] = zext i8 [[TMP4]] to i64
14; CHECK-NEXT:    [[ARRAYIDX50_I:%.*]] = getelementptr i8, ptr null, i64 [[TMP5]]
15; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x i8> [[TMP3]], i32 1
16; CHECK-NEXT:    [[TMP7:%.*]] = zext i8 [[TMP6]] to i64
17; CHECK-NEXT:    [[ARRAYIDX16_I:%.*]] = getelementptr i8, ptr null, i64 [[TMP7]]
18; CHECK-NEXT:    ret ptr null
19;
20entry:
21  %shr48.i = lshr i32 0, 0
22  %idxprom49.i = zext nneg i32 %shr48.i to i64
23  %arrayidx50.i = getelementptr i8, ptr null, i64 %idxprom49.i
24  %conv12.i = zext i8 %0 to i32
25  %shr14.i = lshr i32 %conv12.i, 0
26  %idxprom15.i = zext nneg i32 %shr14.i to i64
27  %arrayidx16.i = getelementptr i8, ptr null, i64 %idxprom15.i
28  ret ptr null
29}
30