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
t4(unsigned char x)14 long double t4(unsigned char x) {
15 return exp2l(x);
16 }
17
18