[PATCH] D24483: Convert finite to builtin

[Dehao Chen via llvm-commits]

danielcdh created this revision.
danielcdh added reviewers: hfinkel, davidxl.
danielcdh added a subscriber: llvm-commits.

This patch converts finite/__finite to builtin functions so that it will be inlined by compiler.

https://reviews.llvm.org/D24483

Files:
  include/clang/Basic/Builtins.def
  lib/CodeGen/CGBuiltin.cpp

Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp
+++ lib/CodeGen/CGBuiltin.cpp
@@ -903,6 +903,12 @@
     return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType())));
   }
 
+  case Builtin::BIfinite:
+  case Builtin::BI__finite:
+  case Builtin::BIfinitef:
+  case Builtin::BI__finitef:
+  case Builtin::BIfinitel:
+  case Builtin::BI__finitel:
   case Builtin::BI__builtin_isinf:
   case Builtin::BI__builtin_isfinite: {
     // isinf(x)    --> fabs(x) == infinity
Index: include/clang/Basic/Builtins.def
===================================================================
--- include/clang/Basic/Builtins.def
+++ include/clang/Basic/Builtins.def
@@ -916,6 +916,13 @@
 LIBBUILTIN(fabsf, "ff", "fnc", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(fabsl, "LdLd", "fnc", "math.h", ALL_LANGUAGES)
 
+LIBBUILTIN(finite, "id", "fnc", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(__finite, "id", "fnc", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(finitef, "if", "fnc", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(__finitef, "if", "fnc", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(finitel, "iLd", "fnc", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(__finitel, "iLd", "fnc", "math.h", ALL_LANGUAGES)
+
 LIBBUILTIN(fmod, "ddd", "fne", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(fmodf, "fff", "fne", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(fmodl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES)


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