| Eric Christopher | 3883e66 | 2011-07-26 22:17:02 +0000 | [diff] [blame] | 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 -O0 -o - | grep {call.*exp2\\..*f} | 
 | 5 | // RUN: %clang_cc1 %s -emit-llvm -fmath-errno -O0 -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 | } |