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| author | Evan Cheng <evan.cheng@apple.com> | 2010-07-15 22:07:12 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-07-15 22:07:12 +0000 |
| commit | ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d (patch) | |
| tree | 1a6b4b66886e92d9957d1e0fe28c04ec3beac7ef /lib/CodeGen | |
| parent | 9b47624619293212cebe9f5101c37a4f03a93c39 (diff) | |
| download | external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.zip external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.tar.gz external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.tar.bz2 | |
Split -enable-finite-only-fp-math to two options:
-enable-no-nans-fp-math and -enable-no-infs-fp-math. All of the current codegen fp math optimizations only care whether the fp arithmetics arguments and results can never be NaN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/Analysis.cpp | 2 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/Analysis.cpp b/lib/CodeGen/Analysis.cpp index f71eee5..a20d810 100644 --- a/lib/CodeGen/Analysis.cpp +++ b/lib/CodeGen/Analysis.cpp @@ -171,7 +171,7 @@ ISD::CondCode llvm::getFCmpCondCode(FCmpInst::Predicate Pred) { FOC = FPC = ISD::SETFALSE; break; } - if (FiniteOnlyFPMath()) + if (NoNaNsFPMath) return FOC; else return FPC; diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index e83a034..27d7a82 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2236,7 +2236,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{ bool SelectionDAG::isKnownNeverNaN(SDValue Op) const { // If we're told that NaNs won't happen, assume they won't. - if (FiniteOnlyFPMath()) + if (NoNaNsFPMath) return true; // If the value is a constant, we can obviously see if it is a NaN or not. |