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| author | Dan Gohman <gohman@apple.com> | 2010-06-24 15:24:03 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-06-24 15:24:03 +0000 |
| commit | 463f26b4be5c281da6f4f970b0477d89c1206dc1 (patch) | |
| tree | 868f14334cd7f75827a8b56710c5fba3c8d86b67 /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | df6b33e77887ca1f70275718bf4abd50daad9501 (diff) | |
| download | bcm5719-llvm-463f26b4be5c281da6f4f970b0477d89c1206dc1.tar.gz bcm5719-llvm-463f26b4be5c281da6f4f970b0477d89c1206dc1.zip | |
Eliminate the other half of the BRCOND optimization, and update
as many tests as possible.
llvm-svn: 106749
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 5719cefb42e..cd86f8fc32e 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3015,7 +3015,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N1, SDValue N2, SDValue N3) { // Perform various simplifications. ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode()); - ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode()); switch (Opcode) { case ISD::CONCAT_VECTORS: // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to @@ -3045,12 +3044,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, if (N2 == N3) return N2; // select C, X, X -> X break; - case ISD::BRCOND: - if (N2C) { - if (!N2C->getZExtValue()) // Unconditional branch - return N1; // Never-taken branch - } - break; case ISD::VECTOR_SHUFFLE: llvm_unreachable("should use getVectorShuffle constructor!"); break; |
