X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FPeepholeOptimizer.cpp;h=5027199e88bdca0bb7da5fda00492c40c7f5fe7d;hb=fe0bf8fbf9d401a67a1842da6cefbb58aa8975a3;hp=716cb1f46f152beeae3a25fbc0d4c3259ef7fa1b;hpb=4797c30d21eb6e1bccff859e252f18ac0e2459ba;p=oota-llvm.git

diff --git a/lib/CodeGen/PeepholeOptimizer.cpp b/lib/CodeGen/PeepholeOptimizer.cpp
index 716cb1f46f1..5027199e88b 100644
--- a/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/lib/CodeGen/PeepholeOptimizer.cpp
@@ -78,6 +78,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace llvm;
 
 #define DEBUG_TYPE "peephole-opt"
@@ -129,7 +130,7 @@ namespace {
   private:
     bool optimizeCmpInstr(MachineInstr *MI, MachineBasicBlock *MBB);
     bool optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
-                          SmallPtrSet<MachineInstr*, 8> &LocalMIs);
+                          SmallPtrSetImpl<MachineInstr*> &LocalMIs);
     bool optimizeSelect(MachineInstr *MI);
     bool optimizeCopyOrBitcast(MachineInstr *MI);
     bool isMoveImmediate(MachineInstr *MI,
@@ -261,7 +262,7 @@ INITIALIZE_PASS_END(PeepholeOptimizer, "peephole-opts",
 /// debug uses.
 bool PeepholeOptimizer::
 optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
-                 SmallPtrSet<MachineInstr*, 8> &LocalMIs) {
+                 SmallPtrSetImpl<MachineInstr*> &LocalMIs) {
   unsigned SrcReg, DstReg, SubIdx;
   if (!TII->isCoalescableExtInstr(*MI, SrcReg, DstReg, SubIdx))
     return false;
@@ -277,7 +278,8 @@ optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
   // Ensure DstReg can get a register class that actually supports
   // sub-registers. Don't change the class until we commit.
   const TargetRegisterClass *DstRC = MRI->getRegClass(DstReg);
-  DstRC = TM->getRegisterInfo()->getSubClassWithSubReg(DstRC, SubIdx);
+  DstRC = TM->getSubtargetImpl()->getRegisterInfo()->getSubClassWithSubReg(
+      DstRC, SubIdx);
   if (!DstRC)
     return false;
 
@@ -286,8 +288,9 @@ optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
   // register.
   // If UseSrcSubIdx is Set, SubIdx also applies to SrcReg, and only uses of
   // SrcReg:SubIdx should be replaced.
-  bool UseSrcSubIdx = TM->getRegisterInfo()->
-    getSubClassWithSubReg(MRI->getRegClass(SrcReg), SubIdx) != nullptr;
+  bool UseSrcSubIdx =
+      TM->getSubtargetImpl()->getRegisterInfo()->getSubClassWithSubReg(
+          MRI->getRegClass(SrcReg), SubIdx) != nullptr;
 
   // The source has other uses. See if we can replace the other uses with use of
   // the result of the extension.
@@ -546,7 +549,7 @@ bool PeepholeOptimizer::optimizeCopyOrBitcast(MachineInstr *MI) {
   unsigned Src;
   unsigned SrcSubReg;
   bool ShouldRewrite = false;
-  const TargetRegisterInfo &TRI = *TM->getRegisterInfo();
+  const TargetRegisterInfo &TRI = *TM->getSubtargetImpl()->getRegisterInfo();
 
   // Follow the chain of copies until we reach the top of the use-def chain
   // or find a more suitable source.
@@ -674,7 +677,7 @@ bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
     return false;
 
   TM  = &MF.getTarget();
-  TII = TM->getInstrInfo();
+  TII = TM->getSubtargetImpl()->getInstrInfo();
   MRI = &MF.getRegInfo();
   DT  = Aggressive ? &getAnalysis<MachineDominatorTree>() : nullptr;
 
@@ -684,7 +687,7 @@ bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
     MachineBasicBlock *MBB = &*I;
 
     bool SeenMoveImm = false;
-    SmallPtrSet<MachineInstr*, 8> LocalMIs;
+    SmallPtrSet<MachineInstr*, 16> LocalMIs;
     SmallSet<unsigned, 4> ImmDefRegs;
     DenseMap<unsigned, MachineInstr*> ImmDefMIs;
     SmallSet<unsigned, 16> FoldAsLoadDefCandidates;