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authorStephen Hines <srhines@google.com>2013-08-07 15:07:10 -0700
committerStephen Hines <srhines@google.com>2013-08-07 15:07:10 -0700
commitfab2daa4a1127ecb217abe2b07c1769122b6fee1 (patch)
tree268ebfd1963fd98ba412e76819afdf95a7d4267b /utils/TableGen/FixedLenDecoderEmitter.cpp
parent8197ac1c1a0a91baa70c4dea8cb488f254ef974c (diff)
parent10251753b6897adcd22cc981c0cc42f348c109de (diff)
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Merge commit '10251753b6897adcd22cc981c0cc42f348c109de' into merge-20130807
Conflicts: lib/Archive/ArchiveReader.cpp lib/Support/Unix/PathV2.inc Change-Id: I29d8c1e321a4a380b6013f00bac6a8e4b593cc4e
Diffstat (limited to 'utils/TableGen/FixedLenDecoderEmitter.cpp')
-rw-r--r--utils/TableGen/FixedLenDecoderEmitter.cpp21
1 files changed, 13 insertions, 8 deletions
diff --git a/utils/TableGen/FixedLenDecoderEmitter.cpp b/utils/TableGen/FixedLenDecoderEmitter.cpp
index 0c3017f..6e45240 100644
--- a/utils/TableGen/FixedLenDecoderEmitter.cpp
+++ b/utils/TableGen/FixedLenDecoderEmitter.cpp
@@ -879,15 +879,20 @@ emitPredicateFunction(formatted_raw_ostream &OS, PredicateSet &Predicates,
OS.indent(Indentation) << "static bool checkDecoderPredicate(unsigned Idx, "
<< "uint64_t Bits) {\n";
Indentation += 2;
- OS.indent(Indentation) << "switch (Idx) {\n";
- OS.indent(Indentation) << "default: llvm_unreachable(\"Invalid index!\");\n";
- unsigned Index = 0;
- for (PredicateSet::const_iterator I = Predicates.begin(), E = Predicates.end();
- I != E; ++I, ++Index) {
- OS.indent(Indentation) << "case " << Index << ":\n";
- OS.indent(Indentation+2) << "return (" << *I << ");\n";
+ if (!Predicates.empty()) {
+ OS.indent(Indentation) << "switch (Idx) {\n";
+ OS.indent(Indentation) << "default: llvm_unreachable(\"Invalid index!\");\n";
+ unsigned Index = 0;
+ for (PredicateSet::const_iterator I = Predicates.begin(), E = Predicates.end();
+ I != E; ++I, ++Index) {
+ OS.indent(Indentation) << "case " << Index << ":\n";
+ OS.indent(Indentation+2) << "return (" << *I << ");\n";
+ }
+ OS.indent(Indentation) << "}\n";
+ } else {
+ // No case statement to emit
+ OS.indent(Indentation) << "llvm_unreachable(\"Invalid index!\");\n";
}
- OS.indent(Indentation) << "}\n";
Indentation -= 2;
OS.indent(Indentation) << "}\n\n";
}