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Mark tBX as an indirect branch rather than a return.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2011-05-26 03:41:12 +00:00
parent ca93138e11
commit 421b106872
2 changed files with 9 additions and 9 deletions
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2
lib/Target/ARM/ARMAsmPrinter.cpp
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@ -1863,7 +1863,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
}
{
MCInst TmpInst;
TmpInst.setOpcode(ARM::tBX_RET_vararg);
TmpInst.setOpcode(ARM::tBX);
TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
// Predicate.
TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));

16
lib/Target/ARM/ARMInstrThumb.td
View File

@ -361,14 +361,6 @@ def tADDspr : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
//
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def tBX : TI<(outs), (ins GPR:$Rm, pred:$p), IIC_Br, "bx${p}\t$Rm", []>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
bits<4> Rm;
let Inst{6-3} = Rm;
let Inst{2-0} = 0b000;
}
def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr",
[(ARMretflag)]>,
T1Special<{1,1,0,?}> {
@ -391,6 +383,14 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
def tBX : TI<(outs), (ins GPR:$Rm, pred:$p), IIC_Br, "bx${p}\t$Rm", []>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
bits<4> Rm;
let Inst{6-3} = Rm;
let Inst{2-0} = 0b000;
}
def tBRIND : TI<(outs), (ins GPR:$Rm),
IIC_Br,
"mov\tpc, $Rm",