From 497a397f3e4edeb102bb2e2509a3795feafaf742 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 19 Jul 2011 00:28:24 +0000
Subject: Revert r135423.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135454 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/FastISel.cpp         | 22 ----------------------
 lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp |  2 --
 2 files changed, 24 deletions(-)

(limited to 'lib/CodeGen')

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 09102ece4b..f7203226df 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -292,28 +292,6 @@ void FastISel::recomputeInsertPt() {
     ++FuncInfo.InsertPt;
 }
 
-/// recomputeDebugLocForMaterializedRegs - Recompute debug location for
-/// very first instruction in a basic block. All instructions emitted
-/// to materialize registers do not have location information, see
-/// enterLocalValueArea(), becase they may not be emited at the right
-/// location.
-void FastISel::recomputeDebugLocForMaterializedRegs() {
-  if (!getLastLocalValue())
-    return;
-  MachineInstr *First = FuncInfo.MBB->getFirstNonPHI();
-  if (!First->getDebugLoc().isUnknown())
-    return;
-
-  for (MachineBasicBlock::iterator I = FuncInfo.MBB->begin(),
-         E = FuncInfo.MBB->end(); I != E; ++I) {
-    DebugLoc DL = I->getDebugLoc();
-    if (!DL.isUnknown()) {
-      First->setDebugLoc(DL);
-      return;
-    }
-  }
-}
-
 FastISel::SavePoint FastISel::enterLocalValueArea() {
   MachineBasicBlock::iterator OldInsertPt = FuncInfo.InsertPt;
   DebugLoc OldDL = DL;
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index d3cb0fedef..87bb296b8c 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -964,8 +964,6 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
     else
       ++NumFastIselBlocks;
 
-    if (FastIS && LLVMBB != &Fn.getEntryBlock())
-      FastIS->recomputeDebugLocForMaterializedRegs();
     if (Begin != BI) {
       // Run SelectionDAG instruction selection on the remainder of the block
       // not handled by FastISel. If FastISel is not run, this is the entire
-- 
cgit v1.2.3-70-g09d2