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[X86, AVX] replace vinsertf128 intrinsics with generic shuffles

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We want to replace as much custom x86 shuffling via intrinsics
as possible because pushing the code down the generic shuffle
optimization path allows for better codegen and less complexity
in LLVM.

This is the sibling patch for the Clang half of this change:
http://reviews.llvm.org/D8088

Differential Revision: http://reviews.llvm.org/D8086



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231794 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel
2015-03-10 16:08:36 +00:00
parent 7aace59124
commit 137e1f3f28
7 changed files with 98 additions and 124 deletions
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3
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@@ -4956,9 +4956,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
setValue(&I, Res);
return nullptr;
}
case Intrinsic::x86_avx_vinsertf128_pd_256:
case Intrinsic::x86_avx_vinsertf128_ps_256:
case Intrinsic::x86_avx_vinsertf128_si_256:
case Intrinsic::x86_avx2_vinserti128: {
EVT DestVT = TLI.getValueType(I.getType());
EVT ElVT = TLI.getValueType(I.getArgOperand(1)->getType());