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Ties Stuij 5cff77c23f [clang][ARM] PACBTI-M assembly support 
Introduce assembly support for Armv8.1-M PACBTI extension. This is an optional
extension in v8.1-M.

There are 10 new system registers and 5 new instructions, all predicated on the
feature.

The attribute for llvm-mc is called "pacbti". For armclang, an architecture
extension also called "pacbti" was created.

This patch is part of a series that adds support for the PACBTI-M extension of
the Armv8.1-M architecture, as detailed here:

https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/armv8-1-m-pointer-authentication-and-branch-target-identification-extension

The PACBTI-M specification can be found in the Armv8-M Architecture Reference
Manual:

https://developer.arm.com/documentation/ddi0553/latest

The following people contributed to this patch:

- Victor Campos
- Ties Stuij

Reviewed By: labrinea

Differential Revision: https://reviews.llvm.org/D112420
2021-11-30 09:28:18 +00:00
..
2007-01-31-RegInfoAssert.ll
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2007-02-02-JoinIntervalsCrash.ll
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2007-05-05-InvalidPushPop.ll
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2009-06-18-ThumbCommuteMul.ll
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2009-07-20-TwoAddrBug.ll
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2009-07-27-PEIAssert.ll
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2009-08-12-ConstIslandAssert.ll
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2009-08-12-RegInfoAssert.ll
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2009-08-20-ISelBug.ll
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2009-12-17-pre-regalloc-taildup.ll
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2010-06-18-SibCallCrash.ll
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2010-07-01-FuncAlign.ll
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2010-07-15-debugOrdering.ll
OpaquePtr: Update more tests to use typed sret
2020-11-20 20:08:43 -05:00
2011-05-11-DAGLegalizer.ll
OpaquePtr: Bulk update tests to use typed byval
2020-11-20 14:00:46 -05:00
2011-06-16-NoGPRs.ll
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2011-EpilogueBug.ll
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2012-04-26-M0ISelBug.ll
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2014-06-10-thumb1-ldst-opt-bug.ll
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addr-modes.ll
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and_neg.ll
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asmprinter-bug.ll
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barrier.ll
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bic_imm.ll
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branchless-cmp.ll
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callee_save.ll
Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" as cleanups after D56351
2019-12-24 15:57:33 -08:00
cmp-add-fold.ll
[ARM] Regenerate some test checks. NFC
2021-03-24 15:34:34 +00:00
cmp-and-fold.ll
[ARM] Lower "(x<<c) > 0x80000000U" to "lsls" on Thumb1.
2019-07-31 23:19:21 +00:00
cmp-fold.ll
[ARM] Regenerate some test checks. NFC
2021-03-24 15:34:34 +00:00
constants.ll
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consthoist-few-dependents.ll
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consthoist-imm8-costs-1.ll
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consthoist-physical-addr.ll
Revert [MBP] Disable aggressive loop rotate in plain mode
2019-08-29 19:03:58 +00:00
copy_thumb.ll
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cortex-m0-unaligned-access.ll
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DbgValueOtherTargets.test
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dyn-stackalloc.ll
Revert "Allow rematerialization of virtual reg uses"
2021-09-24 10:26:11 -07:00
emergency-spill-slot.ll
[TwoAddressInstructionPass] Update existing physreg live intervals
2021-11-05 21:20:30 +00:00
fastcc.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
fpconv.ll
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fpow.ll
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frame_thumb.ll
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frame-access.ll
OpaquePtr: Bulk update tests to use typed byval
2020-11-20 14:00:46 -05:00
high-reg-clobber.mir
[clang][ARM] PACBTI-M assembly support
2021-11-30 09:28:18 +00:00
i8-phi-ext.ll
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iabs-vector.ll
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iabs.ll
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inline-asm-i-constraint-i1.ll
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inlineasm-imm-thumb.ll
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inlineasm-thumb.ll
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ispositive.ll
[ARM] Regenerate some test checks. NFC
2021-03-24 15:34:34 +00:00
large-fn-switch.ll
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large-stack.ll
[ARM] Remove more unused check prefixes, NFC
2020-11-14 15:37:53 +00:00
ldm-merge-call.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
ldm-merge-struct.ll
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ldm-stm-base-materialization-thumb2.ll
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ldm-stm-base-materialization.ll
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ldm-stm-postinc.ll
[ARM] Make sure we don't transform unaligned store to stm on Thumb1.
2021-06-21 14:32:42 -07:00
ldr_ext.ll
[ARM] Use lrdsb for more thumb1 loads.
2021-03-17 15:29:02 +00:00
ldr_frame.ll
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lit.local.cfg
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
litpoolremat.ll
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long_shift.ll
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long-setcc.ll
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long.ll
Revert "ARM-Darwin: keep the frame register reserved even if not updated."
2019-12-06 10:59:26 -08:00
machine-cse-deadreg.mir
CodeGen: Print/parse LLTs in MachineMemOperands
2021-06-30 16:54:13 -04:00
machine-cse-physreg.mir
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mature-mc-support.ll
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mul.ll
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mvn.ll
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opt-phis.mir
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optionaldef-scheduling.ll
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peephole-cmp.mir
[MIR][ARM] MachineOperand comments
2020-02-24 14:19:21 +00:00
peephole-mi.mir
[MIR][ARM] MachineOperand comments
2020-02-24 14:19:21 +00:00
pop.ll
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pr35836_2.ll
[TwoAddressInstructionPass] Improve the SrcRegMap and DstRegMap computation
2021-10-11 15:28:31 -07:00
pr35836.ll
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pr42760.ll
Revert [MBP] Disable aggressive loop rotate in plain mode
2019-08-29 19:03:58 +00:00
PR17309.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
PR35481.ll
[ARM] Change a couple of instances of LiveRegs.contains to !LiveRegs.available
2021-08-10 09:53:26 +01:00
PR36658.mir
CodeGen: Print/parse LLTs in MachineMemOperands
2021-06-30 16:54:13 -04:00
push.ll
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ragreedy-implicit-def.ll
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rev.ll
(Re)generate various tests. NFC
2019-10-08 16:16:26 +00:00
scheduler-clone-cpsr-def.ll
[ScheduleDAG] When a node is cloned, add an edge between the nodes.
2019-10-04 19:51:40 +00:00
segmented-stacks-dynamic.ll
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segmented-stacks.ll
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select.ll
[ARM] Favour PL/MI over GE/LT when possible
2019-07-04 08:58:58 +00:00
shift-and.ll
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sjljehprepare-lower-vector.ll
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srem-seteq-illegal-types.ll
[TwoAddressInstructionPass] Create register mapping for registers with multiple uses in the current MBB
2021-11-29 19:01:59 -08:00
stack_guard_remat.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
stack-access.ll
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stack-coloring-without-frame-ptr.ll
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stack-frame.ll
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stack-mis-alignment.ll
[ARM][ConstantIslands] Fix stack mis-alignment caused by undoLRSpillRestore.
2020-03-02 16:28:57 -08:00
stm-deprecated.ll
[ARM] Don't shrink STM if it would cause an unknown base register store
2020-04-22 14:50:42 +01:00
stm-merge.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
stm-scavenging.ll
Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" as cleanups after D56351
2019-12-24 15:57:33 -08:00
tbb-reuse.mir
CodeGen: Print/parse LLTs in MachineMemOperands
2021-06-30 16:54:13 -04:00
thumb1-cmp.ll
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thumb-imm.ll
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thumb-ldm.ll
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thumb-shrink-wrapping.ll
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trap.ll
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triple.ll
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tst_teq.ll
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umulo-32-legalisation-lowering.ll
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umulo-128-legalisation-lowering.ll
Do not generate calls to the 128-bit function __multi3() on 32-bit ARM
2021-06-11 11:45:21 +01:00
unord.ll
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urem-seteq-illegal-types.ll
[ARM] Implement target hook function to decide folding (mul (add x, c1), c2)
2021-09-07 15:42:43 +08:00
uxth.ll
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vargs.ll
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