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Thomas Lively
409b1027e9
Summary: Changing the node type in lowering was violating assumptions made in the DAG combiner, so don't change the node type any more. This fixes one of the issues reported in bug 39275. Reviewers: aheejin, dschuff Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits, alexcrichton Differential Revision: https://reviews.llvm.org/D53537 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345221 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
591 B
LLVM
18 lines
591 B
LLVM
; RUN: llc < %s -mattr=+simd128 | FileCheck %s --check-prefixes CHECK
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; Check that shuffles maintain their type when being custom
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; lowered. Regression test for bug 39275.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK: v8x16.shuffle
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define <4 x i32> @foo(<4 x i32> %x) {
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%1 = shufflevector <4 x i32> %x, <4 x i32> undef,
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<4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
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%2 = shufflevector <4 x i32> %1, <4 x i32> undef,
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<4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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%3 = add <4 x i32> %2, %2
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ret <4 x i32> %3
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}
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