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-rw-r--r--llvm/lib/Target/ARM/ARMFrameLowering.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index d6542637c3b..28e866e8cb3 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -968,12 +968,16 @@ void ARMFrameLowering::emitPopInst(MachineBasicBlock &MBB,
DebugLoc DL;
bool isTailCall = false;
bool isInterrupt = false;
+ bool isTrap = false;
if (MBB.end() != MI) {
DL = MI->getDebugLoc();
unsigned RetOpcode = MI->getOpcode();
isTailCall = (RetOpcode == ARM::TCRETURNdi || RetOpcode == ARM::TCRETURNri);
isInterrupt =
RetOpcode == ARM::SUBS_PC_LR || RetOpcode == ARM::t2SUBS_PC_LR;
+ isTrap =
+ RetOpcode == ARM::TRAP || RetOpcode == ARM::TRAPNaCl ||
+ RetOpcode == ARM::tTRAP;
}
SmallVector<unsigned, 4> Regs;
@@ -990,7 +994,7 @@ void ARMFrameLowering::emitPopInst(MachineBasicBlock &MBB,
continue;
if (Reg == ARM::LR && !isTailCall && !isVarArg && !isInterrupt &&
- STI.hasV5TOps()) {
+ !isTrap && STI.hasV5TOps()) {
if (MBB.succ_empty()) {
Reg = ARM::PC;
DeleteRet = true;
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