From cbb70ce070d220642b038ea101d9c0f9fbf860d6 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 12:57:14 +0000
Subject: Vendor import of llvm trunk r126079:
 http://llvm.org/svn/llvm-project/llvm/trunk@126079

---
 lib/Target/ARM/Thumb2HazardRecognizer.cpp | 53 -------------------------------
 1 file changed, 53 deletions(-)
 delete mode 100644 lib/Target/ARM/Thumb2HazardRecognizer.cpp

(limited to 'lib/Target/ARM/Thumb2HazardRecognizer.cpp')

diff --git a/lib/Target/ARM/Thumb2HazardRecognizer.cpp b/lib/Target/ARM/Thumb2HazardRecognizer.cpp
deleted file mode 100644
index 172908d..0000000
--- a/lib/Target/ARM/Thumb2HazardRecognizer.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-//===-- Thumb2HazardRecognizer.cpp - Thumb2 postra hazard recognizer ------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "ARM.h"
-#include "Thumb2HazardRecognizer.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/ScheduleDAG.h"
-using namespace llvm;
-
-ScheduleHazardRecognizer::HazardType
-Thumb2HazardRecognizer::getHazardType(SUnit *SU) {
-  if (ITBlockSize) {
-    MachineInstr *MI = SU->getInstr();
-    if (!MI->isDebugValue() && MI != ITBlockMIs[ITBlockSize-1])
-      return Hazard;
-  }
-
-  return PostRAHazardRecognizer::getHazardType(SU);
-}
-
-void Thumb2HazardRecognizer::Reset() {
-  ITBlockSize = 0;
-  PostRAHazardRecognizer::Reset();
-}
-
-void Thumb2HazardRecognizer::EmitInstruction(SUnit *SU) {
-  MachineInstr *MI = SU->getInstr();
-  unsigned Opcode = MI->getOpcode();
-  if (ITBlockSize) {
-    --ITBlockSize;
-  } else if (Opcode == ARM::t2IT) {
-    unsigned Mask = MI->getOperand(1).getImm();
-    unsigned NumTZ = CountTrailingZeros_32(Mask);
-    assert(NumTZ <= 3 && "Invalid IT mask!");
-    ITBlockSize = 4 - NumTZ;
-    MachineBasicBlock::iterator I = MI;
-    for (unsigned i = 0; i < ITBlockSize; ++i) {
-      // Advance to the next instruction, skipping any dbg_value instructions.
-      do {
-        ++I;
-      } while (I->isDebugValue());
-      ITBlockMIs[ITBlockSize-1-i] = &*I;
-    }
-  }
-
-  PostRAHazardRecognizer::EmitInstruction(SU);
-}
-- 
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