From: Chris Lattner <sabre@nondot.org>
Date: Thu, 4 Feb 2010 07:32:01 +0000 (+0000)
Subject: move the PR6214 microoptzn to this file.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7db21bdb7d4b1d3ff202b5feb553f70b93cfeb38;p=oota-llvm.git

move the PR6214 microoptzn to this file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95299 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/README-SSE.txt b/lib/Target/X86/README-SSE.txt
index 0f3e44b5289..a8f7f945b06 100644
--- a/lib/Target/X86/README-SSE.txt
+++ b/lib/Target/X86/README-SSE.txt
@@ -936,3 +936,21 @@ Also, the 'ret's should be shared.  This is PR6032.
 
 //===---------------------------------------------------------------------===//
 
+These should compile into the same code (PR6214): Perhaps instcombine should
+canonicalize the former into the later?
+
+define float @foo(float %x) nounwind {
+  %t = bitcast float %x to i32
+  %s = and i32 %t, 2147483647
+  %d = bitcast i32 %s to float
+  ret float %d
+}
+
+declare float @fabsf(float %n)
+define float @bar(float %x) nounwind {
+  %d = call float @fabsf(float %x)
+  ret float %d
+}
+
+//===---------------------------------------------------------------------===//
+