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[SLP][NFC]Add a test for poison-free or reduction.

This commit is contained in:
Alexey Bataev 2021-10-26 14:04:05 -07:00
parent c8d5dcb035
commit 5db7568a6a
1 changed files with 29 additions and 0 deletions
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29
llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
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@ -502,3 +502,32 @@ define i1 @logical_and_icmp_extra_op(<4 x i32> %x, <4 x i32> %y, i1 %c) {
%s7 = select i1 %s6, i1 %d3, i1 false
ret i1 %s7
}
define i1 @logical_or_icmp_extra_op(<4 x i32> %x, <4 x i32> %y, i1 %c) {
; CHECK-LABEL: @logical_or_icmp_extra_op(
; CHECK-NEXT: [[TMP1:%.*]] = icmp slt <4 x i32> [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: [[S3:%.*]] = select i1 [[C:%.*]], i1 true, i1 [[C]]
; CHECK-NEXT: [[TMP2:%.*]] = freeze <4 x i1> [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP2]])
; CHECK-NEXT: [[OP_EXTRA:%.*]] = or i1 [[TMP3]], [[S3]]
; CHECK-NEXT: ret i1 [[OP_EXTRA]]
;
%x0 = extractelement <4 x i32> %x, i32 0
%x1 = extractelement <4 x i32> %x, i32 1
%x2 = extractelement <4 x i32> %x, i32 2
%x3 = extractelement <4 x i32> %x, i32 3
%y0 = extractelement <4 x i32> %y, i32 0
%y1 = extractelement <4 x i32> %y, i32 1
%y2 = extractelement <4 x i32> %y, i32 2
%y3 = extractelement <4 x i32> %y, i32 3
%d0 = icmp slt i32 %x0, %y0
%d1 = icmp slt i32 %x1, %y1
%d2 = icmp slt i32 %x2, %y2
%d3 = icmp slt i32 %x3, %y3
%s3 = select i1 %c, i1 true, i1 %c
%s4 = select i1 %s3, i1 true, i1 %d0
%s5 = select i1 %s4, i1 true, i1 %d1
%s6 = select i1 %s5, i1 true, i1 %d2
%s7 = select i1 %s6, i1 true, i1 %d3
ret i1 %s7
}