Factor out the predicate check code from DAGISelEmitter.cpp

and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

llvm-svn: 55156

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
index 4434cf0c1c1..4d7ea58b06b 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -444,6 +444,8 @@ struct PatternToMatch {
   TreePatternNode *getDstPattern() const { return DstPattern; }
   const std::vector<Record*> &getDstRegs() const { return Dstregs; }
   unsigned         getAddedComplexity() const { return AddedComplexity; }
+
+  std::string getPredicateCheck() const;
 };