Author: dehao Date: Wed Sep 14 12:34:14 2016 New Revision: 281509 URL: http://llvm.org/viewvc/llvm-project?rev=281509&view=rev Log: Convert finite to builtin
Summary: This patch converts finite/__finite to builtin functions so that it will be inlined by compiler. Reviewers: hfinkel, davidxl, efriedma Subscribers: efriedma, llvm-commits Differential Revision: https://reviews.llvm.org/D24483 Modified: cfe/trunk/include/clang/Basic/Builtins.def cfe/trunk/lib/CodeGen/CGBuiltin.cpp cfe/trunk/test/CodeGen/builtins.c Modified: cfe/trunk/include/clang/Basic/Builtins.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Builtins.def?rev=281509&r1=281508&r2=281509&view=diff ============================================================================== --- cfe/trunk/include/clang/Basic/Builtins.def (original) +++ cfe/trunk/include/clang/Basic/Builtins.def Wed Sep 14 12:34:14 2016 @@ -937,6 +937,14 @@ LIBBUILTIN(fabs, "dd", "fnc", "math.h", LIBBUILTIN(fabsf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fabsl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) +LIBBUILTIN(finite, "id", "fnc", "math.h", GNU_LANG) +LIBBUILTIN(finitef, "if", "fnc", "math.h", GNU_LANG) +LIBBUILTIN(finitel, "iLd", "fnc", "math.h", GNU_LANG) +// glibc's math.h generates calls to __finite +LIBBUILTIN(__finite, "id", "fnc", "math.h", ALL_LANGUAGES) +LIBBUILTIN(__finitef, "if", "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) Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=281509&r1=281508&r2=281509&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original) +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Wed Sep 14 12:34:14 2016 @@ -903,6 +903,12 @@ RValue CodeGenFunction::EmitBuiltinExpr( 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 Modified: cfe/trunk/test/CodeGen/builtins.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins.c?rev=281509&r1=281508&r2=281509&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/builtins.c (original) +++ cfe/trunk/test/CodeGen/builtins.c Wed Sep 14 12:34:14 2016 @@ -220,6 +220,10 @@ void test_float_builtins(float F, double // CHECK: call float @llvm.fabs.f32(float // CHECK: fcmp one float {{.*}}, 0x7FF0000000000000 + res = finite(D); + // CHECK: call double @llvm.fabs.f64(double + // CHECK: fcmp one double {{.*}}, 0x7FF0000000000000 + res = __builtin_isnormal(F); // CHECK: fcmp oeq float // CHECK: call float @llvm.fabs.f32(float _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
