Change the FoldingSetNodeID usage for objects which carry

alignment and volatility information, such as loads and
stores, to reduce the number of integer values added to
the FoldingSetNodeID.

llvm-svn: 55058

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index ccd53fa4c4e..00987d76fcd 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Support/LeakDetector.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/Streams.h"
+#include "llvm/ADT/FoldingSet.h"
 #include <ostream>
 using namespace llvm;
 
@@ -250,6 +251,15 @@ MachineMemOperand::MachineMemOperand(const Value *v, unsigned int f,
   assert((isLoad() || isStore()) && "Not a load/store!");
 }
 
+/// Profile - Gather unique data for the object.
+///
+void MachineMemOperand::Profile(FoldingSetNodeID &ID) const {
+  ID.AddInteger(Offset);
+  ID.AddInteger(Size);
+  ID.AddPointer(V);
+  ID.AddInteger(Flags);
+}
+
 //===----------------------------------------------------------------------===//
 // MachineInstr Implementation
 //===----------------------------------------------------------------------===//