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| author | Evan Cheng <evan.cheng@apple.com> | 2006-12-18 22:55:34 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-12-18 22:55:34 +0000 |
| commit | 722cb360690e5d7742b01a9f497fdb65bf8079d5 (patch) | |
| tree | 36ec7d582ac1db8b8d2cd6e999e1887c0bf5b300 | |
| parent | fc04e5ead38ee6dbce6996efbec9298a01416a38 (diff) | |
LegalizeSetCCOperands() may end up inserting libcalls. They need to be
properly serialized. Do not clear LastCallSEQ_END until that is done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32659 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 1808dacc2b..faebbdcfaf 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1360,14 +1360,13 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { // Ensure that libcalls are emitted before a branch. Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); Tmp1 = LegalizeOp(Tmp1); - LastCALLSEQ_END = DAG.getEntryNode(); - Tmp2 = Node->getOperand(2); // LHS Tmp3 = Node->getOperand(3); // RHS Tmp4 = Node->getOperand(1); // CC LegalizeSetCCOperands(Tmp2, Tmp3, Tmp4); - + LastCALLSEQ_END = DAG.getEntryNode(); + // If we didn't get both a LHS and RHS back from LegalizeSetCCOperands, // the LHS is a legal SETCC itself. In this case, we need to compare // the result against zero to select between true and false values. |