llvm-6502/test/Transforms/SimplifyLibCalls/Pow.ll

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; Testcase for calls to the standard C "pow" function
;
; Equivalent to: http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01786.html
; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls -disable-output &&
; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | 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 1.0
}
double %test2(double %X) {
%Y = call double %pow(double %X, double -0.0)
ret double %Y ; x^-0.0 always equals 1.0
}
double %test3(double %X) {
%Y = call double %pow(double 1.0, double %X)
ret double %Y ; 1.0^x always equals 1.0
}