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path: root/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index ee373f8040..d805d2c4c7 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1581,10 +1581,10 @@ void SelectionDAGLegalize::ExpandDYNAMIC_STACKALLOC(SDNode* Node,
Chain = SP.getValue(1);
unsigned Align = cast<ConstantSDNode>(Tmp3)->getZExtValue();
unsigned StackAlign = TM.getFrameLowering()->getStackAlignment();
- if (Align > StackAlign)
- SP = DAG.getNode(ISD::AND, dl, VT, SP,
- DAG.getConstant(-(uint64_t)Align, VT));
Tmp1 = DAG.getNode(ISD::SUB, dl, VT, SP, Size); // Value
+ if (Align > StackAlign)
+ Tmp1 = DAG.getNode(ISD::AND, dl, VT, Tmp1,
+ DAG.getConstant(-(uint64_t)Align, VT));
Chain = DAG.getCopyToReg(Chain, dl, SPReg, Tmp1); // Output chain
Tmp2 = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(0, true),