From 6e4e64859fe019c949f3d2c89abdfc2fe27f3af5 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Wed, 5 Oct 2011 02:21:58 +0000 Subject: [PATCH] Do not examine variadic or implicit operands if instruction is a return (jr). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141157 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/Mips/MipsDelaySlotFiller.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp index 91a80a71aa3..bbcdb1ee807 100644 --- a/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -222,8 +222,9 @@ void Filler::insertDefsUses(MachineBasicBlock::iterator MI, // no instruction that can possibly be put in a delay slot can read or // write it. - unsigned e = MI->getDesc().isCall() ? MI->getDesc().getNumOperands() : - MI->getNumOperands(); + MCInstrDesc MCID = MI->getDesc(); + unsigned e = MCID.isCall() || MCID.isReturn() ? MCID.getNumOperands() : + MI->getNumOperands(); for (unsigned i = 0; i != e; ++i) { const MachineOperand &MO = MI->getOperand(i);