diff options
Diffstat (limited to 'clang/lib/CodeGen/CGAtomic.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGAtomic.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGAtomic.cpp b/clang/lib/CodeGen/CGAtomic.cpp index 4a3446a..d95dab3 100644 --- a/clang/lib/CodeGen/CGAtomic.cpp +++ b/clang/lib/CodeGen/CGAtomic.cpp @@ -507,6 +507,18 @@ static llvm::Value *EmitPostAtomicMinMax(CGBuilderTy &Builder, bool IsSigned, llvm::Value *OldVal, llvm::Value *RHS) { + const bool IsFP = OldVal->getType()->isFloatingPointTy(); + + if (IsFP) { + llvm::Intrinsic::ID IID = (Op == AtomicExpr::AO__atomic_max_fetch || + Op == AtomicExpr::AO__scoped_atomic_max_fetch) + ? llvm::Intrinsic::maxnum + : llvm::Intrinsic::minnum; + + return Builder.CreateBinaryIntrinsic(IID, OldVal, RHS, llvm::FMFSource(), + "newval"); + } + llvm::CmpInst::Predicate Pred; switch (Op) { default: |