1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-28 06:22:51 +01:00
llvm-mirror/test/Regression/Transforms/InstCombine/pow.ll
Chris Lattner 6b48a959c9 Add a link to source of inspiration
llvm-svn: 5707
2003-03-05 23:02:25 +00:00

27 lines
647 B
LLVM

; Testcase for calls to the standard C "pow" function
;
; Equivalent to: http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01786.html
; 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
}