236 lines
6.3 KiB
LLVM
236 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -mtriple=aarch64-unknown-linux-gnu -mattr=+sme -S -passes=inline < %s | FileCheck %s
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declare void @inlined_body()
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;
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; Define some functions that will be called by the functions below.
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; These just call a '...body()' function. If we see the call to one of
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; these functions being replaced by '...body()', then we know it has been
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; inlined.
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;
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define void @nonza_callee() {
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; CHECK-LABEL: define void @nonza_callee
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @inlined_body()
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ret void
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}
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define void @shared_za_callee() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_callee
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; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @inlined_body()
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ret void
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}
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define void @new_za_callee() "aarch64_pstate_za_new" {
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; CHECK-LABEL: define void @new_za_callee
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; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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call void @inlined_body()
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ret void
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}
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;
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; Now test that inlining only happens when no lazy-save is needed.
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; Test for a number of combinations, where:
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; N Not using ZA.
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; S Shared ZA interface
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; Z New ZA interface
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; [x] N -> N
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; [ ] N -> S (This combination is invalid)
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; [ ] N -> Z
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define void @nonza_caller_nonza_callee_inline() {
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; CHECK-LABEL: define void @nonza_caller_nonza_callee_inline
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @nonza_callee()
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ret void
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}
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; [ ] N -> N
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; [ ] N -> S (This combination is invalid)
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; [x] N -> Z
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define void @nonza_caller_new_za_callee_dont_inline() {
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; CHECK-LABEL: define void @nonza_caller_new_za_callee_dont_inline
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @new_za_callee()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @new_za_callee()
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ret void
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}
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; [x] Z -> N
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; [ ] Z -> S
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; [ ] Z -> Z
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define void @new_za_caller_nonza_callee_inline() "aarch64_pstate_za_new" {
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; CHECK-LABEL: define void @new_za_caller_nonza_callee_inline
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; CHECK-SAME: () #[[ATTR2]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @nonza_callee()
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ret void
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}
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; [ ] Z -> N
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; [x] Z -> S
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; [ ] Z -> Z
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define void @new_za_caller_shared_za_callee_inline() "aarch64_pstate_za_new" {
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; CHECK-LABEL: define void @new_za_caller_shared_za_callee_inline
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; CHECK-SAME: () #[[ATTR2]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @shared_za_callee()
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ret void
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}
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; [ ] Z -> N
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; [ ] Z -> S
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; [x] Z -> Z
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define void @new_za_caller_new_za_callee_dont_inline() "aarch64_pstate_za_new" {
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; CHECK-LABEL: define void @new_za_caller_new_za_callee_dont_inline
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; CHECK-SAME: () #[[ATTR2]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @new_za_callee()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @new_za_callee()
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ret void
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}
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; [x] Z -> N
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; [ ] Z -> S
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; [ ] Z -> Z
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define void @shared_za_caller_nonza_callee_inline() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_nonza_callee_inline
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @nonza_callee()
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ret void
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}
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; [ ] S -> N
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; [x] S -> Z
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; [ ] S -> S
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define void @shared_za_caller_new_za_callee_dont_inline() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_new_za_callee_dont_inline
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @new_za_callee()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @new_za_callee()
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ret void
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}
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; [ ] S -> N
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; [ ] S -> Z
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; [x] S -> S
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define void @shared_za_caller_shared_za_callee_inline() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_shared_za_callee_inline
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @inlined_body()
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; CHECK-NEXT: ret void
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;
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entry:
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call void @shared_za_callee()
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ret void
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}
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define void @private_za_callee_call_za_disable() {
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; CHECK-LABEL: define void @private_za_callee_call_za_disable
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: call void @__arm_za_disable()
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; CHECK-NEXT: ret void
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;
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call void @__arm_za_disable()
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ret void
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}
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define void @shared_za_caller_private_za_callee_call_za_disable() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_private_za_callee_call_za_disable
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: call void @private_za_callee_call_za_disable()
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; CHECK-NEXT: ret void
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;
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call void @private_za_callee_call_za_disable()
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ret void
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}
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define void @private_za_callee_call_tpidr2_save() {
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; CHECK-LABEL: define void @private_za_callee_call_tpidr2_save
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: call void @__arm_tpidr2_save()
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; CHECK-NEXT: ret void
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;
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call void @__arm_tpidr2_save()
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ret void
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}
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define void @shared_za_caller_private_za_callee_call_tpidr2_save_dont_inline() "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_private_za_callee_call_tpidr2_save_dont_inline
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: call void @private_za_callee_call_tpidr2_save()
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; CHECK-NEXT: ret void
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;
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call void @private_za_callee_call_tpidr2_save()
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ret void
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}
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define void @private_za_callee_call_tpidr2_restore(ptr %ptr) {
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; CHECK-LABEL: define void @private_za_callee_call_tpidr2_restore
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; CHECK-SAME: (ptr [[PTR:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: call void @__arm_tpidr2_restore(ptr [[PTR]])
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; CHECK-NEXT: ret void
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;
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call void @__arm_tpidr2_restore(ptr %ptr)
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ret void
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}
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define void @shared_za_caller_private_za_callee_call_tpidr2_restore_dont_inline(ptr %ptr) "aarch64_pstate_za_shared" {
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; CHECK-LABEL: define void @shared_za_caller_private_za_callee_call_tpidr2_restore_dont_inline
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; CHECK-SAME: (ptr [[PTR:%.*]]) #[[ATTR1]] {
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; CHECK-NEXT: call void @private_za_callee_call_tpidr2_restore(ptr [[PTR]])
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; CHECK-NEXT: ret void
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;
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call void @private_za_callee_call_tpidr2_restore(ptr %ptr)
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ret void
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}
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declare void @__arm_za_disable()
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declare void @__arm_tpidr2_save()
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declare void @__arm_tpidr2_restore(ptr)
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