| 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\\.f64} |
| 5 | // RUN: %clang_cc1 %s -emit-llvm -fmath-errno -O0 -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 | } |