1 ; Testcase for calls to the standard C "pow" function
3 ; Equivalent to: http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01786.html
5 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'call double %pow'
7 declare double %pow(double, double)
9 double %test1(double %X) {
10 %Y = call double %pow(double %X, double 0.0)
11 ret double %Y ; x^0.0 always equals 0.0
14 double %test2(double %X) {
15 %Y = call double %pow(double %X, double -0.0)
16 ret double %Y ; x^-0.0 always equals 0.0
19 double %test3(double %X) {
20 %Y = call double %pow(double 1.0, double %X)
21 ret double %Y ; 1.0^x always equals 1.0