From 6a9a76508c778f02ad3ed0d6a48c59b27d759925 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 8 Feb 2007 23:53:38 +0000 Subject: [PATCH] This is done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34072 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/README.txt | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index fe63e9e7dc8..46ef8b22250 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -665,20 +665,6 @@ The add\sub pair is really unneeded here. //===---------------------------------------------------------------------===// -We generate really bad code in some cases due to lowering SETCC/SELECT at -legalize time, which prevents the post-legalize dag combine pass from -understanding the code. As a silly example, this prevents us from folding -stuff like this: - -bool %test(ulong %x) { - %tmp = setlt ulong %x, 4294967296 - ret bool %tmp -} - -into x.h == 0 - -//===---------------------------------------------------------------------===// - We currently compile sign_extend_inreg into two shifts: long foo(long X) { -- 2.34.1