Decompose* is V9 specific, make it internal

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17547 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 15 insertions, 1 deletions

diff --git a/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp b/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp
index 40e1be5d46..e530611647 100644
--- a/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp
+++ b/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp
@@ -15,7 +15,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Transforms/Scalar.h"
+#include "SparcV9Internals.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Constants.h"
 #include "llvm/Constant.h"
diff --git a/lib/Target/SparcV9/SparcV9Internals.h b/lib/Target/SparcV9/SparcV9Internals.h
index 1f6599892c..6cdc9285f1 100644
--- a/lib/Target/SparcV9/SparcV9Internals.h
+++ b/lib/Target/SparcV9/SparcV9Internals.h
@@ -29,6 +29,7 @@ namespace llvm {
 class LiveRange;
 class SparcV9TargetMachine;
 class ModulePass;
+class GetElementPtrInst;
 
 enum SparcV9InstrSchedClass {
   SPARC_NONE,		/* Instructions with no scheduling restrictions */
@@ -97,6 +98,19 @@ FunctionPass *createStackSlotsPass(const TargetMachine &TM);
 ///
 FunctionPass *createPreSelectionPass(const TargetMachine &TM);
 
+// DecomposeMultiDimRefs - Convert multi-dimensional references consisting of
+// any combination of 2 or more array and structure indices into a sequence of
+// instructions (using getelementpr and cast) so that each instruction has at
+// most one index (except structure references, which need an extra leading
+// index of [0]).
+// This pass decomposes all multi-dimensional references in a function.
+FunctionPass *createDecomposeMultiDimRefsPass();
+
+// This function decomposes a single instance of such a reference.
+// Return value: true if the instruction was replaced; false otherwise.
+// 
+bool DecomposeArrayRef(GetElementPtrInst* GEP);
+
 /// Peephole optimization pass operating on machine code
 ///
 FunctionPass *createPeepholeOptsPass(const TargetMachine &TM);