[llvm-commits] CVS: llvm/lib/Target/TargetMachine.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target:

TargetMachine.cpp updated: 1.45 -> 1.46
---
Log message:

-enable-unsafe-fp-math implies -enable-finite-only-fp-math


---
Diffs of the changes:  (+10 -2)

 TargetMachine.cpp |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)


Index: llvm/lib/Target/TargetMachine.cpp
diff -u llvm/lib/Target/TargetMachine.cpp:1.45 llvm/lib/Target/TargetMachine.cpp:1.46
--- llvm/lib/Target/TargetMachine.cpp:1.45	Tue May 23 01:39:12 2006
+++ llvm/lib/Target/TargetMachine.cpp	Tue May 23 13:18:46 2006
@@ -26,7 +26,7 @@
   bool NoFramePointerElim;
   bool NoExcessFPPrecision;
   bool UnsafeFPMath;
-  bool FiniteOnlyFPMath;
+  bool FiniteOnlyFPMathOption;
   Reloc::Model RelocationModel;
 };
 namespace {
@@ -52,7 +52,7 @@
   cl::opt<bool, true>
   EnableFiniteOnltFPMath("enable-finite-only-fp-math",
                cl::desc("Enable optimizations that assumes non- NaNs / +-Infs"),
-               cl::location(FiniteOnlyFPMath),
+               cl::location(FiniteOnlyFPMathOption),
                cl::init(false));
   cl::opt<llvm::Reloc::Model, true>
   DefRelocationModel(
@@ -93,3 +93,11 @@
 void TargetMachine::setRelocationModel(Reloc::Model Model) {
   RelocationModel = Model;
 }
+
+namespace llvm {
+  /// FiniteOnlyFPMath - This returns true when the -enable-finite-only-fp-math
+  /// option is specified on the command line. If this returns false (default),
+  /// the code generator is not allowed to assume that FP arithmetic arguments
+  /// and results are never NaNs or +-Infs.
+  bool FiniteOnlyFPMath() { return UnsafeFPMath || FiniteOnlyFPMathOption; }
+};