8b56da5e9f
With this patch an undefined mask in a shufflevector will be printed as poison. This change is done to support the new shufflevector semantics for undefined mask elements. Differential Revision: https://reviews.llvm.org/D149210
25 lines
1.3 KiB
LLVM
25 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=slp-vectorizer < %s -S -o - -mtriple=x86_64-apple-macosx10.10.0 -mcpu=core2 | FileCheck %s
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define void @test(<16 x half> %v) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <16 x half> [[V:%.*]], <16 x half> poison, <2 x i32> <i32 4, i32 5>
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; CHECK-NEXT: [[TMP1:%.*]] = fpext <2 x half> [[TMP0]] to <2 x float>
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast <2 x float> [[TMP1]] to <2 x i32>
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x i32> [[TMP2]], <2 x i32> poison, <8 x i32> <i32 0, i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[VECINS_I_5_I1:%.*]] = shufflevector <8 x i32> [[TMP3]], <8 x i32> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 0, i32 1, i32 14, i32 15>
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; CHECK-NEXT: ret void
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;
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entry:
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%0 = extractelement <16 x half> %v, i32 4
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%conv.i.4.i = fpext half %0 to float
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%1 = bitcast float %conv.i.4.i to i32
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%vecins.i.4.i = insertelement <8 x i32> undef, i32 %1, i32 4
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%2 = extractelement <16 x half> %v, i32 5
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%conv.i.5.i = fpext half %2 to float
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%3 = bitcast float %conv.i.5.i to i32
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%vecins.i.5.i = insertelement <8 x i32> %vecins.i.4.i, i32 %3, i32 5
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ret void
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}
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