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authorEvan Cheng <evan.cheng@apple.com>2007-06-29 01:25:06 +0000
committerEvan Cheng <evan.cheng@apple.com>2007-06-29 01:25:06 +0000
commit2bda17c92229e7116adf2edd3eea98c0a12f43cb (patch)
treefe912e850179aa5aa6a2a3d9bc4ef3228c46f5f7 /lib
parentca6c31cc419302514335e63ab927657f047516bf (diff)
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Prevent PPC::BCC first operand, the PRED number, from being isel'd into a LI instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37790 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/PowerPC/PPCISelDAGToDAG.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 35ab9de..730bac6 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -1080,7 +1080,10 @@ SDNode *PPCDAGToDAGISel::Select(SDOperand Op) {
// Op #2 is the CR#
// Op #3 is the Dest MBB
AddToISelQueue(N->getOperand(4)); // Op #4 is the Flag.
- SDOperand Ops[] = { N->getOperand(1), N->getOperand(2), N->getOperand(3),
+ // Prevent PPC::PRED_* from being selected into LI.
+ SDOperand Pred =
+ getI32Imm(cast<ConstantSDNode>(N->getOperand(1))->getValue());
+ SDOperand Ops[] = { Pred, N->getOperand(2), N->getOperand(3),
N->getOperand(0), N->getOperand(4) };
return CurDAG->SelectNodeTo(N, PPC::BCC, MVT::Other, Ops, 5);
}