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item done

llvm-svn: 30483
This commit is contained in:
Chris Lattner 2006-09-19 06:19:03 +00:00
parent 2d2d80a4c2
commit 2b076f26b7

View File

@ -63,17 +63,6 @@ which will be removed once the proper fix is made.
//===---------------------------------------------------------------------===//
Turn this into a signed shift right in instcombine:
int f(unsigned x) {
return x >> 31 ? -1 : 0;
}
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25600
http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01492.html
//===---------------------------------------------------------------------===//
On targets with expensive 64-bit multiply, we could LSR this:
for (i = ...; ++i) {