4c997e1536
the middle of reduction ops. Need to emit freeze instruction not only in the case, where the root is bool logical op, but also if we reduce several scalars, but unable to say precisely, if the root is bool logical op.
46 lines
1.9 KiB
LLVM
46 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -S < %s --passes=slp-vectorizer | FileCheck %s
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define i1 @test(i32 %x) {
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; CHECK-LABEL: define i1 @test(
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; CHECK-SAME: i32 [[X:%.*]]) {
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 1
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; CHECK-NEXT: [[OP_RDX:%.*]] = select i1 [[CMP]], i1 true, i1 poison
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; CHECK-NEXT: ret i1 [[OP_RDX]]
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;
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%cmp = icmp sgt i32 %x, 1
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%sel1 = select i1 %cmp, i1 true, i1 poison
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%sel2 = select i1 %sel1, i1 true, i1 poison
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%sel3 = select i1 %sel2, i1 true, i1 poison
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%sel4 = select i1 %cmp, i1 true, i1 poison
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%ret = or i1 %sel3, %sel4
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ret i1 %ret
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}
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define i1 @test1(i32 %x, i32 %a, i32 %b, i32 %c, i32 %d) {
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; CHECK-LABEL: define i1 @test1(
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; CHECK-SAME: i32 [[X:%.*]], i32 [[A:%.*]], i32 [[B:%.*]], i32 [[C:%.*]], i32 [[D:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i32 0
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; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[D]], i32 1
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[A]], i32 2
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; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[B]], i32 3
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; CHECK-NEXT: [[TMP5:%.*]] = icmp sgt <4 x i32> [[TMP4]], <i32 1, i32 1, i32 1, i32 1>
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; CHECK-NEXT: [[CMP3:%.*]] = icmp sgt i32 [[C]], 1
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; CHECK-NEXT: [[TMP6:%.*]] = freeze <4 x i1> [[TMP5]]
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; CHECK-NEXT: [[TMP7:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP6]])
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; CHECK-NEXT: [[OP_RDX:%.*]] = select i1 [[TMP7]], i1 true, i1 [[CMP3]]
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; CHECK-NEXT: ret i1 [[OP_RDX]]
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;
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%cmp = icmp sgt i32 %x, 1
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%cmp1 = icmp sgt i32 %a, 1
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%cmp2 = icmp sgt i32 %b, 1
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%cmp3 = icmp sgt i32 %c, 1
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%cmp4 = icmp sgt i32 %d, 1
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%sel1 = select i1 %cmp, i1 true, i1 %cmp1
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%sel2 = select i1 %sel1, i1 true, i1 %cmp2
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%sel3 = select i1 %sel2, i1 true, i1 %cmp3
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%sel4 = select i1 %cmp, i1 true, i1 %cmp4
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%ret = or i1 %sel3, %sel4
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ret i1 %ret
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}
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