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[X86] Lowering sqrt intrinsics to native IR

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Summary: Complementary patch to lowering sqrt intrinsics in Clang.

Reviewers: craig.topper, spatel, RKSimon, DavidKreitzer, uriel.k

Reviewed By: craig.topper

Subscribers: tkrupa, mike.dvoretsky, llvm-commits

Differential Revision: https://reviews.llvm.org/D41599


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334849 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tomasz Krupa
2018-06-15 18:05:24 +00:00
parent 2665835577
commit a36133dda7
23 changed files with 518 additions and 353 deletions
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lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
-2
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@@ -1293,8 +1293,6 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts,
// Unary scalar-as-vector operations that work column-wise.
case Intrinsic::x86_sse_rcp_ss:
case Intrinsic::x86_sse_rsqrt_ss:
case Intrinsic::x86_sse_sqrt_ss:
case Intrinsic::x86_sse2_sqrt_sd:
TmpV = SimplifyDemandedVectorElts(II->getArgOperand(0), DemandedElts,
UndefElts, Depth + 1);
if (TmpV) { II->setArgOperand(0, TmpV); MadeChange = true; }