Make InlineSpiller bundle-aware.

Simply treat bundles as instructions. Spill code is inserted between
bundles, never inside a bundle.  Rewrite all operands in a bundle at
once.

Don't attempt and memory operand folding inside bundles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151787 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 36fac85..bb15ca3 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -15,6 +15,7 @@
 #define LLVM_CODEGEN_MACHINEREGISTERINFO_H
 
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/CodeGen/MachineInstrBundle.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/IndexedMap.h"
 #include <vector>
@@ -483,6 +484,14 @@ public:
       return MI;
     }
 
+    MachineInstr *skipBundle() {
+      if (!Op) return 0;
+      MachineInstr *MI = getBundleStart(Op->getParent());
+      do ++*this;
+      while (Op && getBundleStart(Op->getParent()) == MI);
+      return MI;
+    }
+
     MachineOperand &getOperand() const {
       assert(Op && "Cannot dereference end iterator!");
       return *Op;