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authorAkira Hatanaka <ahatanaka@mips.com>2011-10-05 02:21:58 +0000
committerAkira Hatanaka <ahatanaka@mips.com>2011-10-05 02:21:58 +0000
commit6e4e64859fe019c949f3d2c89abdfc2fe27f3af5 (patch)
tree698fa9dcab73368dfafe1016b7e5cf1f29c002fd /lib/Target/Mips/MipsDelaySlotFiller.cpp
parent0c419a7c4bec0a4931dd1dbd9f1adb43ec9b15c2 (diff)
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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
Diffstat (limited to 'lib/Target/Mips/MipsDelaySlotFiller.cpp')
-rw-r--r--lib/Target/Mips/MipsDelaySlotFiller.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp
index 91a80a71aa..bbcdb1ee80 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);