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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-01-22 03:32:36 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-01-22 03:32:36 +0000 |
| commit | bfdba5e4fc351d3de15d5536a1d4e04a16573ddf (patch) | |
| tree | 0d1dff23cf739d81409b302850eea4d890fd16b9 /llvm/lib/CodeGen/AtomicExpandPass.cpp | |
| parent | 1eaa04d682d684f7e83c263aa40e78ae8faab378 (diff) | |
| download | bcm5719-llvm-bfdba5e4fc351d3de15d5536a1d4e04a16573ddf.tar.gz bcm5719-llvm-bfdba5e4fc351d3de15d5536a1d4e04a16573ddf.zip | |
IR: Add fp operations to atomicrmw
Add just fadd/fsub for now.
llvm-svn: 351778
Diffstat (limited to 'llvm/lib/CodeGen/AtomicExpandPass.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AtomicExpandPass.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AtomicExpandPass.cpp b/llvm/lib/CodeGen/AtomicExpandPass.cpp index bef9682fbd5..2d915945392 100644 --- a/llvm/lib/CodeGen/AtomicExpandPass.cpp +++ b/llvm/lib/CodeGen/AtomicExpandPass.cpp @@ -549,6 +549,10 @@ static Value *performAtomicOp(AtomicRMWInst::BinOp Op, IRBuilder<> &Builder, case AtomicRMWInst::UMin: NewVal = Builder.CreateICmpULE(Loaded, Inc); return Builder.CreateSelect(NewVal, Loaded, Inc, "new"); + case AtomicRMWInst::FAdd: + return Builder.CreateFAdd(Loaded, Inc, "new"); + case AtomicRMWInst::FSub: + return Builder.CreateFSub(Loaded, Inc, "new"); default: llvm_unreachable("Unknown atomic op"); } @@ -1547,6 +1551,8 @@ static ArrayRef<RTLIB::Libcall> GetRMWLibcall(AtomicRMWInst::BinOp Op) { case AtomicRMWInst::Min: case AtomicRMWInst::UMax: case AtomicRMWInst::UMin: + case AtomicRMWInst::FAdd: + case AtomicRMWInst::FSub: // No atomic libcalls are available for max/min/umax/umin. return {}; } |
