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llvm-svn: 26583
2006-03-07 02:46:26 +00:00 · 2006-03-07 02:46:26 +00:00 · bccb0e07f0
parent a4a4ceb478
commit bccb0e07f0
1 changed files with 11 additions and 0 deletions
--- a/llvm/lib/Target/README.txt
+++ b/llvm/lib/Target/README.txt
@ -106,3 +106,14 @@ This would be a win on ppc32, but not x86 or ppc64.
 Shrink: (setlt (loadi32 P), 0) -> (setlt (loadi8 Phi), 0)

 //===---------------------------------------------------------------------===//
+
+Reassociate is missing this:
+
+int test(int X, int Y) {
+ return (X+X+Y+Y);  // (X+Y) << 1;
+}
+
+it needs to turn the shifts into multiplies to get it.
+
+//===---------------------------------------------------------------------===//
+