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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-10-14 07:26:51 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-10-14 07:26:51 +0000 |
| commit | 82a46ebe0a0e0042463bfb3fec427e94c798db18 (patch) | |
| tree | 82b54389ec2ecc3248d4737a4e4de808f9810a55 /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | 05747f3734889033cefbb731416555d3352507c9 (diff) | |
| download | bcm5719-llvm-82a46ebe0a0e0042463bfb3fec427e94c798db18.tar.gz bcm5719-llvm-82a46ebe0a0e0042463bfb3fec427e94c798db18.zip | |
Fixed a bug in dynamic allocation memory on stack.
The alignment of allocated space was wrong, see Bugzila 17345.
Done by Zvi Rackover <zvi.rackover@intel.com>.
llvm-svn: 192573
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index ee373f8040b..d805d2c4c76 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/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), |
