vendor/llvm/llvm-trunk-r338150

1 files changed, 13 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/FunctionLoweringInfo.h b/include/llvm/CodeGen/FunctionLoweringInfo.h
index 3b39d87ffb4a..2da00b7d61ab 100644
--- a/include/llvm/CodeGen/FunctionLoweringInfo.h
+++ b/include/llvm/CodeGen/FunctionLoweringInfo.h
@@ -118,6 +118,17 @@ public:
   /// cross-basic-block values.
   DenseMap<const Value *, unsigned> ValueMap;
 
+  /// VirtReg2Value map is needed by the Divergence Analysis driven
+  /// instruction selection. It is reverted ValueMap. It is computed
+  /// in lazy style - on demand. It is used to get the Value corresponding
+  /// to the live in virtual register and is called from the
+  /// TargetLowerinInfo::isSDNodeSourceOfDivergence.
+  DenseMap<unsigned, const Value*> VirtReg2Value;
+
+  /// This method is called from TargetLowerinInfo::isSDNodeSourceOfDivergence
+  /// to get the Value corresponding to the live-in virtual register.
+  const Value * getValueFromVirtualReg(unsigned Vreg);
+
   /// Track virtual registers created for exception pointers.
   DenseMap<const Value *, unsigned> CatchPadExceptionPointers;
 
@@ -167,6 +178,8 @@ public:
   /// RegFixups - Registers which need to be replaced after isel is done.
   DenseMap<unsigned, unsigned> RegFixups;
 
+  DenseSet<unsigned> RegsWithFixups;
+
   /// StatepointStackSlots - A list of temporary stack slots (frame indices)
   /// used to spill values at a statepoint.  We store them here to enable
   /// reuse of the same stack slots across different statepoints in different