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[Hexagon] Handle extended versions of restore routines

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llvm-svn: 276903
This commit is contained in:
Krzysztof Parzyszek 2016-07-27 18:47:25 +00:00
parent c9ae4ba734
commit 359322393a
1 changed files with 11 additions and 2 deletions
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13
lib/Target/Hexagon/HexagonFrameLowering.cpp
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@ -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::insertEpilogueInBlock(MachineBasicBlock &MBB) const {
// 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::insertEpilogueInBlock(MachineBasicBlock &MBB) const {
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;
}