| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; Testcase for calls to the standard C "pow" function |
| 2 | ; |
| 3 | ; Equivalent to: http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01786.html |
| 4 | ; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \ |
| 5 | ; RUN: not grep {call double .pow} |
| 6 | ; END. |
| 7 | |
| 8 | declare double %pow(double, double) |
| 9 | |
| 10 | double %test1(double %X) { |
| 11 | %Y = call double %pow(double %X, double 0.0) |
| 12 | ret double %Y ; x^0.0 always equals 1.0 |
| 13 | } |
| 14 | |
| 15 | double %test2(double %X) { |
| 16 | %Y = call double %pow(double %X, double -0.0) |
| 17 | ret double %Y ; x^-0.0 always equals 1.0 |
| 18 | } |
| 19 | |
| 20 | double %test3(double %X) { |
| 21 | %Y = call double %pow(double 1.0, double %X) |
| 22 | ret double %Y ; 1.0^x always equals 1.0 |
| 23 | } |
| 24 | |