diff --git a/test/Regression/Transforms/InstCombine/pow.ll b/test/Regression/Transforms/InstCombine/pow.ll new file mode 100644 index 00000000000..ca0a98a8085 --- /dev/null +++ b/test/Regression/Transforms/InstCombine/pow.ll @@ -0,0 +1,23 @@ +; Testcase for calls to the standard C "pow" function +; RUN: if as < %s | opt -instcombine | dis | grep 'call double %pow' +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +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 +} +