From b062000c23df482e16c6ce9efe3829c31b0fe9c3 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 11 Apr 2007 05:34:00 +0000
Subject: [PATCH] done

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35884 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/README.txt | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 6c148d7973f..7c274280605 100644
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -1049,31 +1049,3 @@ int decode_byte (const decode_t* decode) {
 
 //===---------------------------------------------------------------------===//
 
-Consider:
-
-int isnegative(unsigned int X) {
-   return !(X < 2147483648U);
-}
-
-We current compile this to:
-
-define i32 @isnegative(i32 %X) {
-        icmp slt i32 %X, 0              ; <i1>:0 [#uses=1]
-        %retval = zext i1 %0 to i32             ; <i32> [#uses=1]
-        ret i32 %retval
-}
-
-and:
-
-_isnegative:
-        cmpl $0, 4(%esp)
-        sets %al
-        movzbl %al, %eax
-        ret
-
-We should produce:
-
-	movl	4(%esp), %eax
-	shrl	$31, %eax
-        ret
-
-- 
2.34.1