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\\.f64} |
5 | // RUN: %clang_cc1 %s -emit-llvm -fmath-errno -o - | grep {call.*exp2} |
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.*exp2} |
8 | |
9 | // clang doesn't support this yet. |
10 | // XFAIL: * |
11 | |
12 | double exp2(double); |
13 | |
14 | double t4(unsigned char x) { |
15 | return exp2(x); |
16 | } |
17 | |