From 63c5c2a0d8258ed4fb6b536ad2e60f26f946675c Mon Sep 17 00:00:00 2001
From: Jim Ingham <jingham@apple.com>
Date: Fri, 19 Jul 2013 02:18:31 +0000
Subject: Turn off fast stepping for ARM till the MC's MayAffectControlFlow
 gets more accurate.

rdar://problem/14488761

llvm-svn: 186646
---
 lldb/source/Target/ThreadPlanStepRange.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lldb/source/Target/ThreadPlanStepRange.cpp')

diff --git a/lldb/source/Target/ThreadPlanStepRange.cpp b/lldb/source/Target/ThreadPlanStepRange.cpp
index 1af567c0f71..e2820790e71 100644
--- a/lldb/source/Target/ThreadPlanStepRange.cpp
+++ b/lldb/source/Target/ThreadPlanStepRange.cpp
@@ -54,7 +54,11 @@ ThreadPlanStepRange::ThreadPlanStepRange (ThreadPlanKind kind,
     m_first_run_event (true),
     m_use_fast_step(false)
 {
-    m_use_fast_step = GetTarget().GetUseFastStepping();
+    llvm::Triple::ArchType arch_type = GetTarget().GetArchitecture().GetMachine();
+    if (arch_type == llvm::Triple::arm || arch_type == llvm::Triple::thumb)
+        m_use_fast_step = false;
+    else
+        m_use_fast_step = GetTarget().GetUseFastStepping();
     AddRange(range);
     m_stack_id = m_thread.GetStackFrameAtIndex(0)->GetStackID();
 }
-- 
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