[llvm] r276903 - [Hexagon] Handle extended versions of restore routines

[Krzysztof Parzyszek via llvm-commits]

Author: kparzysz
Date: Wed Jul 27 13:47:25 2016
New Revision: 276903

URL: http://llvm.org/viewvc/llvm-project?rev=276903&view=rev
Log:
[Hexagon] Handle extended versions of restore routines

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonFrameLowering.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonFrameLowering.cpp?rev=276903&r1=276902&r2=276903&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonFrameLowering.cpp Wed Jul 27 13:47:25 2016
@@ -309,6 +309,10 @@ namespace {
     switch (Opc) {
       case Hexagon::RESTORE_DEALLOC_RET_JMP_V4:
       case Hexagon::RESTORE_DEALLOC_RET_JMP_V4_PIC:
+      case Hexagon::RESTORE_DEALLOC_RET_JMP_V4_EXT:
+      case Hexagon::RESTORE_DEALLOC_RET_JMP_V4_EXT_PIC:
+      case Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_EXT:
+      case Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_EXT_PIC:
       case Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4:
       case Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_PIC:
         return true;
@@ -610,7 +614,9 @@ void HexagonFrameLowering::insertEpilogu
   // Check for RESTORE_DEALLOC_RET* tail call. Don't emit an extra dealloc-
   // frame instruction if we encounter it.
   if (RetOpc == Hexagon::RESTORE_DEALLOC_RET_JMP_V4 ||
-      RetOpc == Hexagon::RESTORE_DEALLOC_RET_JMP_V4_PIC) {
+      RetOpc == Hexagon::RESTORE_DEALLOC_RET_JMP_V4_PIC ||
+      RetOpc == Hexagon::RESTORE_DEALLOC_RET_JMP_V4_EXT ||
+      RetOpc == Hexagon::RESTORE_DEALLOC_RET_JMP_V4_EXT_PIC) {
     MachineBasicBlock::iterator It = RetI;
     ++It;
     // Delete all instructions after the RESTORE (except labels).
@@ -631,7 +637,10 @@ void HexagonFrameLowering::insertEpilogu
     MachineBasicBlock::iterator PrevIt = std::prev(InsertPt);
     unsigned COpc = PrevIt->getOpcode();
     if (COpc == Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4 ||
-        COpc == Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_PIC)
+        COpc == Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_PIC ||
+        COpc == Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_EXT ||
+        COpc == Hexagon::RESTORE_DEALLOC_BEFORE_TAILCALL_V4_EXT_PIC ||
+        COpc == Hexagon::CALLv3nr || COpc == Hexagon::CALLRv3nr)
       NeedsDeallocframe = false;
   }