b505fd559d
Gather nodes are vectorized as simply vector of the scalars instead of relying on the actual node. It leads to the fact that in some cases we may miss incorrect transformation (non-matching set of scalars is just ended as a gather node instead of possible vector/gather node). Better to rely on the actual nodes, it allows to improve stability and better detect missed cases. Differential Revision: https://reviews.llvm.org/D135174
38 lines
2.3 KiB
LLVM
38 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown-linux -mattr=+sse4.2 | FileCheck %s
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@a = common local_unnamed_addr global [4 x i32] zeroinitializer, align 4
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@b = common local_unnamed_addr global [4 x i32] zeroinitializer, align 4
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define i32 @fn1() {
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; CHECK-LABEL: @fn1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @b to <4 x i32>*), align 4
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; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <4 x i32> [[TMP0]], zeroinitializer
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; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> <i32 8, i32 poison, i32 ptrtoint (i32 ()* @fn1 to i32), i32 poison>, <4 x i32> [[TMP0]], <4 x i32> <i32 0, i32 5, i32 2, i32 undef>
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; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
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; CHECK-NEXT: [[TMP3:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[SHUFFLE]], <4 x i32> <i32 0, i32 6, i32 0, i32 0>
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; CHECK-NEXT: [[SHUFFLE1:%.*]] = shufflevector <4 x i32> [[TMP3]], <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 0>
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; CHECK-NEXT: store <4 x i32> [[SHUFFLE1]], <4 x i32>* bitcast ([4 x i32]* @a to <4 x i32>*), align 4
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%0 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @b, i64 0, i32 0), align 4
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%cmp = icmp sgt i32 %0, 0
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%cond = select i1 %cmp, i32 8, i32 0
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store i32 %cond, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i64 0, i32 3), align 4
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%1 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @b, i64 0, i32 1), align 4
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%cmp1 = icmp sgt i32 %1, 0
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%. = select i1 %cmp1, i32 %1, i32 6
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store i32 %., i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i64 0, i32 0), align 4
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%2 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @b, i64 0, i32 2), align 4
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%cmp4 = icmp sgt i32 %2, 0
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%3 = select i1 %cmp4, i32 ptrtoint (i32 ()* @fn1 to i32), i32 0
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store i32 %3, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i64 0, i32 1), align 4
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%4 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @b, i64 0, i32 3), align 4
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%cmp6 = icmp sgt i32 %4, 0
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%5 = select i1 %cmp6, i32 ptrtoint (i32 ()* @fn1 to i32), i32 0
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store i32 %5, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i64 0, i32 2), align 4
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ret i32 0
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}
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