Teach frame lowering to ignore debug values after the terminators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123399 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 4a64867d3a..b8cbf5d2db 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -297,7 +297,7 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const {
 
 void ARMFrameLowering::emitEpilogue(MachineFunction &MF,
                                     MachineBasicBlock &MBB) const {
-  MachineBasicBlock::iterator MBBI = prior(MBB.end());
+  MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
   assert(MBBI->getDesc().isReturn() &&
          "Can only insert epilog into returning blocks");
   unsigned RetOpcode = MBBI->getOpcode();
@@ -378,7 +378,7 @@ void ARMFrameLowering::emitEpilogue(MachineFunction &MF,
   if (RetOpcode == ARM::TCRETURNdi || RetOpcode == ARM::TCRETURNdiND ||
       RetOpcode == ARM::TCRETURNri || RetOpcode == ARM::TCRETURNriND) {
     // Tail call return: adjust the stack pointer and jump to callee.
-    MBBI = prior(MBB.end());
+    MBBI = MBB.getLastNonDebugInstr();
     MachineOperand &JumpTarget = MBBI->getOperand(0);
 
     // Jump to label or value in register.
diff --git a/lib/Target/ARM/Thumb1FrameLowering.cpp b/lib/Target/ARM/Thumb1FrameLowering.cpp
index 8a6dda8214..233e165387 100644
--- a/lib/Target/ARM/Thumb1FrameLowering.cpp
+++ b/lib/Target/ARM/Thumb1FrameLowering.cpp
@@ -189,7 +189,7 @@ static bool isCSRestore(MachineInstr *MI, const unsigned *CSRegs) {
 
 void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF,
                                    MachineBasicBlock &MBB) const {
-  MachineBasicBlock::iterator MBBI = prior(MBB.end());
+  MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
   assert((MBBI->getOpcode() == ARM::tBX_RET ||
           MBBI->getOpcode() == ARM::tPOP_RET) &&
          "Can only insert epilog into returning blocks");