Skip impdef regs during eabi save/restore list emission to workaround PR11902
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 9a1ce06..f93a45d 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1136,8 +1136,14 @@
assert(SrcReg == ARM::SP &&
"Only stack pointer as a source reg is supported");
for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset;
- i != NumOps; ++i)
- RegList.push_back(MI->getOperand(i).getReg());
+ i != NumOps; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ // Actually, there should never be any impdef stuff here. Skip it
+ // temporary to workaround PR11902.
+ if (MO.isImplicit())
+ continue;
+ RegList.push_back(MO.getReg());
+ }
break;
case ARM::STR_PRE_IMM:
case ARM::STR_PRE_REG: