From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 16 May 2007 07:45:54 +0000 (+0000)
Subject: Conditional branch is not a barrier.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aeafca0a257f8b698a67c627c0820365cdfc85e6;p=oota-llvm.git

Conditional branch is not a barrier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37103 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index ad2807cc4af..b8f5b8a421e 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -590,14 +590,12 @@ let isCall = 1, noResults = 1,
   }
 }
 
-let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
+let isBranch = 1, isTerminator = 1, noResults = 1 in {
   // B can changed into a Bcc, but it is not "predicated".
+  let isBarrier = 1 in {
   def B : AXI<(ops brtarget:$dst), "b $dst",
               [(br bb:$dst)]>;
 
-  def Bcc : AXI<(ops brtarget:$dst, ccop:$cc), "b$cc $dst",
-                 [(ARMbrcond bb:$dst, imm:$cc)]>;
-
   def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
                     "mov", " pc, $dst \n$jt",
                     [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
@@ -609,6 +607,10 @@ let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
                        "add", " pc, $dst, $idx \n$jt",
                        [(ARMbrjt (add GPR:$dst, GPR:$idx), tjumptable:$jt,
                          imm:$id)]>;
+  }
+
+  def Bcc : AXI<(ops brtarget:$dst, ccop:$cc), "b$cc $dst",
+                 [(ARMbrcond bb:$dst, imm:$cc)]>;
 }
 
 //===----------------------------------------------------------------------===//