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: %llvmgcc %s -S -fno-math-errno -O0 -o - | grep {call.*exp2\\..*f} 5 // RUN: %llvmgcc %s -S -fmath-errno -O0 -o - | grep {call.*exp2l} 6 // RUN: %llvmgcc %s -S -O1 -o - | grep {call.*ldexp} 7 // RUN: %llvmgcc %s -S -O3 -fno-builtin -o - | grep {call.*exp2l} 8 9 // If this fails for you because your target doesn't support long double, 10 // please xfail the test. 11 12 long double exp2l(long double); 13 14 long double t4(unsigned char x) { 15 return exp2l(x); 16 } 17 18
