1d6b5b66bb
When gathering the counter for the reused scalars, need to use reduced value, not the original reduced value. Same values counter is gathered for reduced values, not original ones.
33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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define i32 @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> zeroinitializer, <4 x i32> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
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; CHECK-NEXT: [[TMP1:%.*]] = or <4 x i32> [[TMP0]], zeroinitializer
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]])
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; CHECK-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP0]])
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; CHECK-NEXT: [[OP_RDX:%.*]] = add i32 [[TMP2]], [[TMP3]]
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; CHECK-NEXT: ret i32 [[OP_RDX]]
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;
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bb:
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%0 = shufflevector <4 x i32> zeroinitializer, <4 x i32> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
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%1 = extractelement <4 x i32> %0, i32 3
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%2 = extractelement <4 x i32> %0, i32 2
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%3 = extractelement <4 x i32> %0, i32 1
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%4 = extractelement <4 x i32> %0, i32 0
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%inst514 = or i32 %4, 0
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%inst494 = or i32 %3, 0
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%inst474 = or i32 %2, 0
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%inst454 = or i32 %1, 0
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%inst458 = add i32 %1, %inst454
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%inst477 = add i32 %inst458, %2
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%inst478 = add i32 %inst477, %inst474
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%inst497 = add i32 %inst478, %3
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%inst498 = add i32 %inst497, %inst494
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%inst517 = add i32 %inst498, %4
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%inst518 = add i32 %inst517, %inst514
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ret i32 %inst518
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}
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