From: Chris Lattner <sabre@nondot.org>
Date: Tue, 15 Feb 2005 20:26:49 +0000 (+0000)
Subject: Fix a problem where the PPC backend lost track of the fact that it had
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=7a823bd01fafa9393c6aa1e8ded163b9fd8266be;p=oota-llvm.git

Fix a problem where the PPC backend lost track of the fact that it had
to save and restore the LR register on entry and exit of a leaf function
that needed to access globals or the constant pool.  This should hopefully
fix oscar from sending the PPC tester spinning out of control.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20197 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index e134696f758..4a1afed93d1 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -53,7 +53,9 @@ def ADJCALLSTACKDOWN : Pseudo<(ops), "; ADJCALLSTACKDOWN">;
 def ADJCALLSTACKUP : Pseudo<(ops), "; ADJCALLSTACKUP">;
 }
 def IMPLICIT_DEF : Pseudo<(ops), "; IMPLICIT_DEF">;
-def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label">;
+
+let Defs = [LR] in
+  def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label">;
 
 let isBranch = 1, isTerminator = 1 in {
   def COND_BRANCH : Pseudo<(ops), "; COND_BRANCH">;