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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26472 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2006-03-02 22:34:38 +00:00
parent d180ac1109
commit 89188a1096
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7
lib/Target/README.txt
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@ -79,3 +79,10 @@ int f(unsigned x) {
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25600
http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01492.html
//===---------------------------------------------------------------------===//
We should reassociate:
int f(int a, int b){ return a * a + 2 * a * b + b * b; }
into:
int f(int a, int b) { return a * (a + 2 * b) + b * b; }
to eliminate a multiply.