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New testcase for pow builtin recognition 

llvm-svn: 5706
This commit is contained in:
Chris Lattner 2003-03-05 22:56:59 +00:00
parent 1d48528be6
commit 1e89893882
1 changed files with 23 additions and 0 deletions
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23
llvm/test/Regression/Transforms/InstCombine/pow.ll Normal file
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; 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
}