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Expand vector bswap in LegalizeVectorOps

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ISD::BSWAP was missing from the list of node types that should be expanded
element-wise.

llvm-svn: 200705
This commit is contained in:
Hal Finkel 2014-02-03 17:27:25 +00:00
parent 8a7c03ee39
commit 9f2b5f3ecd
2 changed files with 20 additions and 0 deletions
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1
lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
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@ -210,6 +210,7 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) {
case ISD::SRL:
case ISD::ROTL:
case ISD::ROTR:
case ISD::BSWAP:
case ISD::CTLZ:
case ISD::CTTZ:
case ISD::CTLZ_ZERO_UNDEF:

19
test/CodeGen/X86/bswap-vector.ll Normal file
View File

@ -0,0 +1,19 @@
; RUN: llc < %s -mcpu=x86_64 | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
define <2 x i64> @foo(<2 x i64> %v) #0 {
entry:
%r = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %v)
ret <2 x i64> %r
}
; CHECK-LABEL: @foo
; CHECK: bswapq
; CHECK: bswapq
; CHECK: retq
attributes #0 = { nounwind uwtable }