[cfe-commits] r44604 - in /cfe/trunk: CodeGen/CGBuiltin.cpp include/clang/AST/Builtins.def

Anders Carlsson andersca at mac.com
Tue Dec 4 23:22:49 PST 2007


Author: andersca
Date: Wed Dec  5 01:22:48 2007
New Revision: 44604

URL: http://llvm.org/viewvc/llvm-project?rev=44604&view=rev
Log:
Implement codegen for builtin infinity functions.

Modified:
    cfe/trunk/CodeGen/CGBuiltin.cpp
    cfe/trunk/include/clang/AST/Builtins.def

Modified: cfe/trunk/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CodeGen/CGBuiltin.cpp?rev=44604&r1=44603&r2=44604&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/CodeGen/CGBuiltin.cpp Wed Dec  5 01:22:48 2007
@@ -112,6 +112,22 @@
       
     return RValue::get(V);      
   }
+  case Builtin::BI__builtin_inff: {
+    llvm::APFloat f(llvm::APFloat::IEEEsingle,
+                    llvm::APFloat::fcInfinity, false);
+    
+    llvm::Value *V = llvm::ConstantFP::get(llvm::Type::FloatTy, f);
+    return RValue::get(V);
+  }
+  case Builtin::BI__builtin_inf:
+  // FIXME: mapping long double onto double.      
+  case Builtin::BI__builtin_infl: {
+    llvm::APFloat f(llvm::APFloat::IEEEdouble,
+                    llvm::APFloat::fcInfinity, false);
+    
+    llvm::Value *V = llvm::ConstantFP::get(llvm::Type::DoubleTy, f);
+    return RValue::get(V);
+  }
   }
   
   return RValue::get(0);

Modified: cfe/trunk/include/clang/AST/Builtins.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Builtins.def?rev=44604&r1=44603&r2=44604&view=diff

==============================================================================
--- cfe/trunk/include/clang/AST/Builtins.def (original)
+++ cfe/trunk/include/clang/AST/Builtins.def Wed Dec  5 01:22:48 2007
@@ -54,9 +54,9 @@
 //  F -> this is a libc/libm function with a '__builtin_' prefix added.
 
 // Standard libc/libm functions:
-BUILTIN(__builtin_inf  , "d"   , "ncF")
-BUILTIN(__builtin_inff , "f"   , "ncF")
-BUILTIN(__builtin_infl , "Ld"  , "ncF")
+BUILTIN(__builtin_inf  , "d"   , "nc")
+BUILTIN(__builtin_inff , "f"   , "nc")
+BUILTIN(__builtin_infl , "Ld"  , "nc")
 BUILTIN(__builtin_abs  , "ii"  , "ncF")
 BUILTIN(__builtin_fabs , "dd"  , "ncF")
 BUILTIN(__builtin_fabsf, "ff"  , "ncF")





More information about the cfe-commits mailing list