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instcombine isn't handling nan's right when folding fcmp X, X. For example, it turns this into false:
define i1 %test(double %X) { %tmp = fcmp une double %X, %X ; [#uses=1] ret i1 %tmp }
-Chris
The text was updated successfully, but these errors were encountered:
assigned to @lattner
Sorry, something went wrong.
Fixed, testcase here: Transforms/InstCombine/2007-01-14-FcmpSelf.ll
Patch here: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070108/042661.html
lattner
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Extended Description
instcombine isn't handling nan's right when folding fcmp X, X. For example, it turns this into false:
define i1 %test(double %X) {
%tmp = fcmp une double %X, %X ; [#uses=1]
ret i1 %tmp
}
-Chris
The text was updated successfully, but these errors were encountered: