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Fix a problem where the PPC backend lost track of the fact that it had

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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.

llvm-svn: 20197
This commit is contained in:
Chris Lattner 2005-02-15 20:26:49 +00:00
parent c5646b3a15
commit 5174b9cb60
1 changed files with 3 additions and 1 deletions
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4
lib/Target/PowerPC/PowerPCInstrInfo.td
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@ -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">;