[llvm] r208153 - ARM: mark additional instructions as MachineFrameSetup

[Saleem Abdulrasool]

Author: compnerd
Date: Tue May  6 22:03:31 2014
New Revision: 208153

URL: http://llvm.org/viewvc/llvm-project?rev=208153&view=rev
Log:
ARM: mark additional instructions as MachineFrameSetup

Mark up additional instructions which are part of the function prologue as
MachineFrameSetup.  These instructions are part of the function prologue,
emitted by the PEI pass to setup the stack for use in the activating frame.

Modified:
    llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp?rev=208153&r1=208152&r2=208153&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp Tue May  6 22:03:31 2014
@@ -299,10 +299,12 @@ void ARMFrameLowering::emitPrologue(Mach
 
     if (NumWords < 65536)
       AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::t2MOVi16), ARM::R4)
-                     .addImm(NumWords));
+                     .addImm(NumWords)
+                     .setMIFlags(MachineInstr::FrameSetup));
     else
       BuildMI(MBB, MBBI, dl, TII.get(ARM::t2MOVi32imm), ARM::R4)
-        .addImm(NumWords);
+        .addImm(NumWords)
+        .setMIFlags(MachineInstr::FrameSetup);
 
     switch (TM.getCodeModel()) {
     case CodeModel::Small:
@@ -312,17 +314,20 @@ void ARMFrameLowering::emitPrologue(Mach
       BuildMI(MBB, MBBI, dl, TII.get(ARM::tBL))
         .addImm((unsigned)ARMCC::AL).addReg(0)
         .addExternalSymbol("__chkstk")
-        .addReg(ARM::R4, RegState::Implicit);
+        .addReg(ARM::R4, RegState::Implicit)
+        .setMIFlags(MachineInstr::FrameSetup);
       break;
     case CodeModel::Large:
     case CodeModel::JITDefault:
       BuildMI(MBB, MBBI, dl, TII.get(ARM::t2MOVi32imm), ARM::R12)
-        .addExternalSymbol("__chkstk");
+        .addExternalSymbol("__chkstk")
+        .setMIFlags(MachineInstr::FrameSetup);
 
       BuildMI(MBB, MBBI, dl, TII.get(ARM::tBLXr))
         .addImm((unsigned)ARMCC::AL).addReg(0)
         .addReg(ARM::R12, RegState::Kill)
-        .addReg(ARM::R4, RegState::Implicit);
+        .addReg(ARM::R4, RegState::Implicit)
+        .setMIFlags(MachineInstr::FrameSetup);
       break;
     }