| ; Testcase for calls to the standard C "pow" function |
| ; |
| ; Equivalent to: http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01786.html |
| ; XFAIL: * |
| ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'call double .pow' |
| |
| declare double %pow(double, double) |
| |
| double %test1(double %X) { |
| %Y = call double %pow(double %X, double 0.0) |
| ret double %Y ; x^0.0 always equals 0.0 |
| } |
| |
| double %test2(double %X) { |
| %Y = call double %pow(double %X, double -0.0) |
| ret double %Y ; x^-0.0 always equals 0.0 |
| } |
| |
| double %test3(double %X) { |
| %Y = call double %pow(double 1.0, double %X) |
| ret double %Y ; 1.0^x always equals 1.0 |
| } |
| |