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| author | Dan Gohman <gohman@apple.com> | 2008-11-05 18:30:52 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-11-05 18:30:52 +0000 |
| commit | ce2417f4e15bdd8aa3b0a7980a28b7a5937c9976 (patch) | |
| tree | a0f984465a7938707dffad308dcf0e8a1de42480 | |
| parent | 6a43b1c43535caa11c3572834fabb8de171e556c (diff) | |
| download | bcm5719-llvm-ce2417f4e15bdd8aa3b0a7980a28b7a5937c9976.tar.gz bcm5719-llvm-ce2417f4e15bdd8aa3b0a7980a28b7a5937c9976.zip | |
Use an assert to check that SelectCode isn't called on
nodes that are already selected.
llvm-svn: 58763
| -rw-r--r-- | llvm/utils/TableGen/DAGISelEmitter.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/utils/TableGen/DAGISelEmitter.cpp b/llvm/utils/TableGen/DAGISelEmitter.cpp index 18293314263..3f86d2dade3 100644 --- a/llvm/utils/TableGen/DAGISelEmitter.cpp +++ b/llvm/utils/TableGen/DAGISelEmitter.cpp @@ -1957,13 +1957,12 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) { OS << "// The main instruction selector code.\n" << "SDNode *SelectCode(SDValue N) {\n" - << " if (N.isMachineOpcode()) {\n" - << " return NULL; // Already selected.\n" - << " }\n\n" << " MVT::SimpleValueType NVT = N.getNode()->getValueType(0).getSimpleVT();\n" << " switch (N.getOpcode()) {\n" - << " default: break;\n" - << " case ISD::EntryToken: // These leaves remain the same.\n" + << " default:\n" + << " assert(!N.isMachineOpcode() && \"Node already selected!\");\n" + << " break;\n" + << " case ISD::EntryToken: // These nodes remain the same.\n" << " case ISD::MEMOPERAND:\n" << " case ISD::BasicBlock:\n" << " case ISD::Register:\n" |
