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

[oota-llvm.git] / include / llvm / Target / TargetOptions.h

diff --git a/include/llvm/Target/TargetOptions.h b/include/llvm/Target/TargetOptions.h
index 2131ecaf3d88e57785726825a8d8de7ed28f4528..ea391b77bb62c73867353c8f6220072f6963f93b 100644 (file)
--- a/include/llvm/Target/TargetOptions.h
+++ b/include/llvm/Target/TargetOptions.h
@@ -39,14 +39,15 @@ namespace llvm {
   /// this flag is off (the default), the code generator is not allowed to
   /// produce results that are "less precise" than IEEE allows.  This includes
   /// use of X86 instructions like FSIN and FCOS instead of libcalls.
+  /// UnsafeFPMath implies FiniteOnlyFPMath.
   extern bool UnsafeFPMath;
 
-  /// FiniteOnlyFPMath - This is enabled when the -enable-finite-only-fp-math
-  /// flag is specified on the command line. When this flag is off (default),
+  /// 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. This includes ignoring parity flag
-  /// (PF) when checking for FP equality.
-  extern bool FiniteOnlyFPMath;
+  /// and results are never NaNs or +-Infs.
+  extern bool FiniteOnlyFPMathOption;
+  extern bool FiniteOnlyFPMath();
 } // End llvm namespace
 
 #endif