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This is implemented by the simplify-libcalls pass, not instcombine

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26123 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-11 09:33:28 +00:00
parent 255d8919b6
commit 92aa95fc76
1 changed files with 0 additions and 23 deletions
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23
test/Transforms/InstCombine/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
; XFAIL: *
; RUN: llvm-as < %s | opt -instcombine | 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 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
}