From aeafca0a257f8b698a67c627c0820365cdfc85e6 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 16 May 2007 07:45:54 +0000 Subject: [PATCH] Conditional branch is not a barrier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37103 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMInstrInfo.td | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) 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)]>; } //===----------------------------------------------------------------------===//