From e89c5e57cc5c525d7875032a125e37bd404448c2 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Mon, 28 Jun 2010 21:29:17 +0000
Subject: [PATCH] tidy up style. no functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107073 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/Thumb2HazardRecognizer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Target/ARM/Thumb2HazardRecognizer.cpp b/lib/Target/ARM/Thumb2HazardRecognizer.cpp
index 3fe31a2b485..172908da228 100644
--- a/lib/Target/ARM/Thumb2HazardRecognizer.cpp
+++ b/lib/Target/ARM/Thumb2HazardRecognizer.cpp
@@ -41,9 +41,10 @@ void Thumb2HazardRecognizer::EmitInstruction(SUnit *SU) {
     ITBlockSize = 4 - NumTZ;
     MachineBasicBlock::iterator I = MI;
     for (unsigned i = 0; i < ITBlockSize; ++i) {
-      ++I;
-      while (I->isDebugValue())
+      // Advance to the next instruction, skipping any dbg_value instructions.
+      do {
         ++I;
+      } while (I->isDebugValue());
       ITBlockMIs[ITBlockSize-1-i] = &*I;
     }
   }