From c1028f689ea279ceb1a37112a63541f3561ffa1f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 28 Jun 2010 17:12:37 +0000 Subject: Fix UnitTests/2004-02-02-NegativeZero.c, which regressed when I broke negate of FP values. llvm-svn: 107019 --- clang/lib/CodeGen/CGExprScalar.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'clang/lib/CodeGen/CGExprScalar.cpp') diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index d0d89c66a47..e2b4d2dd155 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -1224,8 +1224,12 @@ Value *ScalarExprEmitter::VisitUnaryMinus(const UnaryOperator *E) { TestAndClearIgnoreResultAssign(); // Emit unary minus with EmitSub so we handle overflow cases etc. BinOpInfo BinOp; - BinOp.RHS = Visit(E->getSubExpr());; - BinOp.LHS = llvm::Constant::getNullValue(BinOp.RHS->getType()); + 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.Ty = E->getType(); BinOp.Opcode = BinaryOperator::Sub; BinOp.E = E; -- cgit v1.2.3