From 23d0acc520a87e99695215bc0bb4cf4694c7fae8 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 31 Jan 2011 21:36:24 +0000
Subject: [PATCH] While printing "interesting" breakpoint locations for debug
 info quality test harness, focus only on entry block's terminator for now.

llvm-svn: 124610
---
 tools/opt/opt.cpp | 39 ++++++++++++---------------------------
 1 file changed, 12 insertions(+), 27 deletions(-)

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index ff8f65cfff7..64c08ab56af 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -349,34 +349,19 @@ struct BreakpointPrinter : public FunctionPass {
     }
 
   virtual bool runOnFunction(Function &F) {
-    for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
-      BasicBlock::const_iterator BI = I->end();
-      --BI;
-      do {
-        const Instruction *In = BI;
-        const DebugLoc DL = In->getDebugLoc();
-        if (!DL.isUnknown()) {
-          DIScope S(DL.getScope(getGlobalContext()));
-          Out << S.getFilename() << " " << DL.getLine() << "\n";
-          break;
-        }
-        --BI;
-      } while (BI != I->begin());
-      break;
-    }
     BasicBlock &EntryBB = F.getEntryBlock();
-    for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
-      BasicBlock *BB = I;
-      if (BB == &EntryBB) continue;
-      for (BasicBlock::iterator BI = I->begin(), BE = I->end(); BI != BE; ++BI)
-        if (CallInst *CI = dyn_cast<CallInst>(BI)) {
-          const DebugLoc DL = CI->getDebugLoc();
-          if (!DL.isUnknown()) {
-            DIScope S(DL.getScope(getGlobalContext()));
-            Out << S.getFilename() << " " << DL.getLine() << "\n";
-          }
-        }
-    }
+    BasicBlock::const_iterator BI = EntryBB.end();
+    --BI;
+    do {
+      const Instruction *In = BI;
+      const DebugLoc DL = In->getDebugLoc();
+      if (!DL.isUnknown()) {
+        DIScope S(DL.getScope(getGlobalContext()));
+        Out << S.getFilename() << " " << DL.getLine() << "\n";
+        break;
+      }
+      --BI;
+    } while (BI != EntryBB.begin());
     return false;
   }