AArch64: remove ConstantIsland pass & put literals in separate section.

This implements the review suggestion to simplify the AArch64 backend. If we
later discover that we *really* need the extra complexity of the
ConstantIslands pass for performance reasons it can be resurrected.

llvm-svn: 175258

1 files changed, 0 insertions, 11 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h b/llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
index 37c1cc5b29e..33da54f97fd 100644
--- a/llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
@@ -14,7 +14,6 @@
 #ifndef AARCH64MACHINEFUNCTIONINFO_H
 #define AARCH64MACHINEFUNCTIONINFO_H
 
-#include "llvm/ADT/DenseMap.h"
 #include "llvm/CodeGen/MachineFunction.h"
 
 namespace llvm {
@@ -49,10 +48,6 @@ class AArch64MachineFunctionInfo : public MachineFunctionInfo {
   /// Number of local-dynamic TLS accesses.
   unsigned NumLocalDynamics;
 
-  /// Keep track of the next label to be created within this function to
-  /// represent a cloned constant pool entry. Used by constant islands pass.
-  unsigned PICLabelUId;
-
   /// @see AArch64 Procedure Call Standard, B.3
   ///
   /// The Frame index of the area where LowerFormalArguments puts the
@@ -96,7 +91,6 @@ public:
       ArgumentStackToRestore(0),
       InitialStackAdjust(0),
       NumLocalDynamics(0),
-      PICLabelUId(0),
       VariadicGPRIdx(0),
       VariadicGPRSize(0),
       VariadicFPRIdx(0),
@@ -109,7 +103,6 @@ public:
       ArgumentStackToRestore(0),
       InitialStackAdjust(0),
       NumLocalDynamics(0),
-      PICLabelUId(0),
       VariadicGPRIdx(0),
       VariadicGPRSize(0),
       VariadicFPRIdx(0),
@@ -131,10 +124,6 @@ public:
   unsigned getNumLocalDynamicTLSAccesses() const { return NumLocalDynamics; }
   void incNumLocalDynamicTLSAccesses() { ++NumLocalDynamics; }
 
-  void initPICLabelUId(unsigned UId) { PICLabelUId = UId; }
-  unsigned getNumPICLabels() const { return PICLabelUId; }
-  unsigned createPICLabelUId() { return PICLabelUId++; }
-
   int getVariadicGPRIdx() const { return VariadicGPRIdx; }
   void setVariadicGPRIdx(int Idx) { VariadicGPRIdx = Idx; }