diff options
| author | Cameron McInally <cameron.mcinally@nyu.edu> | 2019-10-14 15:35:01 +0000 |
|---|---|---|
| committer | Cameron McInally <cameron.mcinally@nyu.edu> | 2019-10-14 15:35:01 +0000 |
| commit | 17184dc8a9ddf8debc83c573c01edf4188461626 (patch) | |
| tree | bfc8e881fb50bc048bb366d35f945092fbd1d987 /lib | |
| parent | 86c4707c4b8e0cd8045548d1a7fd35e37d7ccf71 (diff) | |
[IRBuilder] Update IRBuilder::CreateFNeg(...) to return a UnaryOperator
Reapply r374240 with fix for Ocaml test, namely Bindings/OCaml/core.ml.
Differential Revision: https://reviews.llvm.org/D61675
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374782 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index f3e03bec5e..a10b18c5c9 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -2576,14 +2576,16 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const UnaryOperator *E, LValue LV, Value *ScalarExprEmitter::VisitUnaryMinus(const UnaryOperator *E) { TestAndClearIgnoreResultAssign(); + Value *Op = Visit(E->getSubExpr()); + + // Generate a unary FNeg for FP ops. + if (Op->getType()->isFPOrFPVectorTy()) + return Builder.CreateFNeg(Op, "fneg"); + // Emit unary minus with EmitSub so we handle overflow cases etc. BinOpInfo BinOp; - BinOp.RHS = Visit(E->getSubExpr()); - - if (BinOp.RHS->getType()->isFPOrFPVectorTy()) - BinOp.LHS = llvm::ConstantFP::getZeroValueForNegation(BinOp.RHS->getType()); - else - BinOp.LHS = llvm::Constant::getNullValue(BinOp.RHS->getType()); + BinOp.RHS = Op; + BinOp.LHS = llvm::Constant::getNullValue(BinOp.RHS->getType()); BinOp.Ty = E->getType(); BinOp.Opcode = BO_Sub; // FIXME: once UnaryOperator carries FPFeatures, copy it here. |