1 // llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't 2 // and -fno-builtins shouldn't. 3 // -fno-math-errno should emit an llvm intrinsic, -fmath-errno should not. 4 // RUN: %clang_cc1 %s -emit-llvm -fno-math-errno -o - | grep {call.*exp2\\..*f} 5 // RUN: %clang_cc1 %s -emit-llvm -fmath-errno -o - | grep {call.*exp2l} 6 // RUN: %clang_cc1 %s -emit-llvm -O1 -o - | grep {call.*ldexp} 7 // RUN: %clang_cc1 %s -emit-llvm -O3 -fno-builtin -o - | grep {call.*exp2l} 8 9 // clang doesn't support this yet. 10 // XFAIL: * 11 12 // If this fails for you because your target doesn't support long double, 13 // please xfail the test. 14 15 long double exp2l(long double); 16 17 long double t4(unsigned char x) { 18 return exp2l(x); 19 } 20
