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| author | Chris Lattner <sabre@nondot.org> | 2010-06-28 17:12:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-06-28 17:12:37 +0000 |
| commit | c1028f689ea279ceb1a37112a63541f3561ffa1f (patch) | |
| tree | 68dfb47a77113b8638546bb62d71a5fce0633efd /clang/lib | |
| parent | 18bcf76f055e03f6253f68c3acd4f607f25f736c (diff) | |
| download | bcm5719-llvm-c1028f689ea279ceb1a37112a63541f3561ffa1f.tar.gz bcm5719-llvm-c1028f689ea279ceb1a37112a63541f3561ffa1f.zip | |
Fix UnitTests/2004-02-02-NegativeZero.c, which regressed when
I broke negate of FP values.
llvm-svn: 107019
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGExprScalar.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
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; |
