// llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't | |
// and -fno-builtins shouldn't. | |
// -fno-math-errno should emit an llvm intrinsic, -fmath-errno should not. | |
// RUN: %llvmgcc %s -S -fno-math-errno -O0 -o - | grep {call.*exp2\\.f64} | |
// RUN: %llvmgcc %s -S -fmath-errno -O0 -o - | grep {call.*exp2} | |
// RUN: %llvmgcc %s -S -O1 -o - | grep {call.*ldexp} | |
// RUN: %llvmgcc %s -S -O3 -fno-builtin -o - | grep {call.*exp2} | |
double exp2(double); | |
double t4(unsigned char x) { | |
return exp2(x); | |
} | |