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Allow constfolding of llvm.sin.* and llvm.cos.* intrinsics

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This patch const folds llvm.sin.* and llvm.cos.* intrinsics whenever feasible.

Differential Revision: http://reviews.llvm.org/D10836



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241665 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Karthik Bhat
2015-07-08 03:55:47 +00:00
parent 78cca47fc6
commit d9dffa6b3c
2 changed files with 28 additions and 0 deletions
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lib/Analysis/ConstantFolding.cpp
+6
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@@ -1234,6 +1234,8 @@ bool llvm::canConstantFoldCallTo(const Function *F) {
case Intrinsic::floor:
case Intrinsic::ceil:
case Intrinsic::sqrt:
case Intrinsic::sin:
case Intrinsic::cos:
case Intrinsic::pow:
case Intrinsic::powi:
case Intrinsic::bswap:
@@ -1450,6 +1452,10 @@ static Constant *ConstantFoldScalarCall(StringRef Name, unsigned IntrinsicID,
return ConstantFoldFP(floor, V, Ty);
case Intrinsic::ceil:
return ConstantFoldFP(ceil, V, Ty);
case Intrinsic::sin:
return ConstantFoldFP(sin, V, Ty);
case Intrinsic::cos:
return ConstantFoldFP(cos, V, Ty);
}
if (!TLI)