From 73e884bb3e971b1e794ba2501df15138f73b8b1a Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Wed, 20 Jan 2010 21:36:02 +0000
Subject: [PATCH] make findDebugLoc a class method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94032 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineBasicBlock.h |  7 ++++---
 lib/CodeGen/MachineBasicBlock.cpp        | 20 +++++++++++---------
 lib/Target/X86/X86InstrInfo.cpp          |  4 ++--
 lib/Target/X86/X86RegisterInfo.cpp       |  4 ++--
 4 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index ad4bc1f79d5..20644c17e1a 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -337,6 +337,10 @@ public:
                             MachineBasicBlock *DestB,
                             bool isCond);
 
+  /// findDebugLoc - find the next valid DebugLoc starting at MBBI, skipping
+  /// any DEBUG_VALUE instructions.  Return UnknownLoc if there is none.
+  DebugLoc findDebugLoc(MachineBasicBlock::iterator &MBBI);
+
   // Debugging methods.
   void dump() const;
   void print(raw_ostream &OS) const;
@@ -367,9 +371,6 @@ private:   // Methods used to maintain doubly linked list of blocks...
   void removePredecessor(MachineBasicBlock *pred);
 };
 
-DebugLoc
-findDebugLoc(MachineBasicBlock::iterator &MBBI, MachineBasicBlock &MBB);
-
 raw_ostream& operator<<(raw_ostream &OS, const MachineBasicBlock &MBB);
 
 void WriteAsOperand(raw_ostream &, const MachineBasicBlock*, bool t);
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 030438fceb5..9215bd583b5 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -524,24 +524,26 @@ bool MachineBasicBlock::CorrectExtraCFGEdges(MachineBasicBlock *DestA,
   return MadeChange;
 }
 
-void llvm::WriteAsOperand(raw_ostream &OS, const MachineBasicBlock *MBB,
-                          bool t) {
-  OS << "BB#" << MBB->getNumber();
-}
-
 /// findDebugLoc - find the next valid DebugLoc starting at MBBI, skipping
 /// any DEBUG_VALUE instructions.  Return UnknownLoc if there is none.
 DebugLoc
-llvm::findDebugLoc(MachineBasicBlock::iterator &MBBI, MachineBasicBlock &MBB) {
+MachineBasicBlock::findDebugLoc(MachineBasicBlock::iterator &MBBI) {
   DebugLoc DL;
-  if (MBBI != MBB.end()) {
+  MachineBasicBlock::iterator E = end();
+  if (MBBI != E) {
     // Skip debug declarations, we don't want a DebugLoc from them.
     MachineBasicBlock::iterator MBBI2 = MBBI;
-    while (MBBI2 != MBB.end() &&
+    while (MBBI2 != E &&
            MBBI2->getOpcode()==TargetInstrInfo::DEBUG_VALUE)
       MBBI2++;
-    if (MBBI2 != MBB.end())
+    if (MBBI2 != E)
       DL = MBBI2->getDebugLoc();
   }
   return DL;
 }
+
+void llvm::WriteAsOperand(raw_ostream &OS, const MachineBasicBlock *MBB,
+                          bool t) {
+  OS << "BB#" << MBB->getNumber();
+}
+
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 9501ace8d37..e6430483569 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -2200,7 +2200,7 @@ bool X86InstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
   if (CSI.empty())
     return false;
 
-  DebugLoc DL = findDebugLoc(MI, MBB);
+  DebugLoc DL = MBB.findDebugLoc(MI);
 
   bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
   bool isWin64 = TM.getSubtarget<X86Subtarget>().isTargetWin64();
@@ -2238,7 +2238,7 @@ bool X86InstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
   if (CSI.empty())
     return false;
 
-  DebugLoc DL = findDebugLoc(MI, MBB);
+  DebugLoc DL = MBB.findDebugLoc(MI);
 
   MachineFunction &MF = *MBB.getParent();
   unsigned FPReg = RI.getFrameRegister(MF);
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 6962b8cef95..f959a2db8b8 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -682,7 +682,7 @@ void emitSPUpdate(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
        (Is64Bit ? X86::ADD64ri8 : X86::ADD32ri8) :
        (Is64Bit ? X86::ADD64ri32 : X86::ADD32ri));
   uint64_t Chunk = (1LL << 31) - 1;
-  DebugLoc DL = findDebugLoc(MBBI, MBB);
+  DebugLoc DL = MBB.findDebugLoc(MBBI);
 
   while (Offset) {
     uint64_t ThisVal = (Offset > Chunk) ? Chunk : Offset;
@@ -1031,7 +1031,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
     }
   }
 
-  DL = findDebugLoc(MBBI, MBB);
+  DL = MBB.findDebugLoc(MBBI);
 
   // Adjust stack pointer: ESP -= numbytes.
   if (NumBytes >= 4096 && Subtarget->isTargetCygMing()) {
-- 
2.34.1