vendor/llvm/llvm-trunk-r302069

1 files changed, 8 insertions, 0 deletions

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index aa9230044b1f..ced183852146 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -2061,6 +2061,14 @@ public:
     return false;
   }
 
+  // Return true if the instruction that performs a << b actually performs
+  // a << (b % (sizeof(a) * 8)).
+  virtual bool supportsModuloShift(ISD::NodeType Inst, EVT ReturnType) const {
+    assert((Inst == ISD::SHL || Inst == ISD::SRA || Inst == ISD::SRL) &&
+           "Expect a shift instruction");
+    return false;
+  }
+
   //===--------------------------------------------------------------------===//
   // Runtime Library hooks
   //