EXTRACT_SUBREG coalescing support. The coalescer now treats EXTRACT_SUBREG like

[oota-llvm.git] / include / llvm / CodeGen / SimpleRegisterCoalescing.h

diff --git a/include/llvm/CodeGen/SimpleRegisterCoalescing.h b/include/llvm/CodeGen/SimpleRegisterCoalescing.h
index 4e760815b9cce86d52edc7d922f2285daabf2b5f..00095dd176169cdf0da754ac19302a9eb7d842f5 100644 (file)
--- a/include/llvm/CodeGen/SimpleRegisterCoalescing.h
+++ b/include/llvm/CodeGen/SimpleRegisterCoalescing.h
@@ -47,6 +47,10 @@ namespace llvm {
     /// with other intervals.
     BitVector JoinedLIs;
 
+    /// SubRegIdxes - Keep track of sub-register and sub-indexes.
+    ///
+    std::vector<std::pair<unsigned, unsigned> > SubRegIdxes;
+
   public:
     static char ID; // Pass identifcation, replacement for typeid
     SimpleRegisterCoalescing() : MachineFunctionPass((intptr_t)&ID) {}