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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-LLSC-O1
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -mattr=+outline-atomics -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-OUTLINE-LLSC-O1
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -mattr=+lse -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-CAS-O1
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -mattr=+lse,+outline-atomics -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-CAS-O1
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -O0 -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-LLSC-O0
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -O0 -mattr=+outline-atomics -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-OUTLINE-LLSC-O0
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -O0 -mattr=+lse -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-CAS-O0
; RUN: llc < %s -mtriple=arm64-linux-gnu -verify-machineinstrs -O0 -mattr=+lse,+outline-atomics -global-isel -global-isel-abort=1 | FileCheck %s --check-prefix=CHECK-CAS-O0
@var = global i128 0
define void @val_compare_and_swap(ptr %p, i128 %oldval, i128 %newval) {
; CHECK-LLSC-O1-LABEL: val_compare_and_swap:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB0_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldaxp x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cmp x8, x2
; CHECK-LLSC-O1-NEXT: cset w10, ne
; CHECK-LLSC-O1-NEXT: cmp x9, x3
; CHECK-LLSC-O1-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O1-NEXT: cbz w10, .LBB0_3
; CHECK-LLSC-O1-NEXT: // %bb.2: // in Loop: Header=BB0_1 Depth=1
; CHECK-LLSC-O1-NEXT: stxp w10, x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB0_1
; CHECK-LLSC-O1-NEXT: b .LBB0_4
; CHECK-LLSC-O1-NEXT: .LBB0_3: // in Loop: Header=BB0_1 Depth=1
; CHECK-LLSC-O1-NEXT: stxp w10, x4, x5, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB0_1
; CHECK-LLSC-O1-NEXT: .LBB0_4:
; CHECK-LLSC-O1-NEXT: mov v0.d[0], x8
; CHECK-LLSC-O1-NEXT: mov v0.d[1], x9
; CHECK-LLSC-O1-NEXT: str q0, [x0]
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: val_compare_and_swap:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_def_cfa_offset 16
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w19, -8
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x19, x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x4, x19
; CHECK-OUTLINE-LLSC-O1-NEXT: bl __aarch64_cas16_acq
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[0], x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O1-NEXT: str q0, [x19]
; CHECK-OUTLINE-LLSC-O1-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: val_compare_and_swap:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: // kill: def $x2 killed $x2 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x4 killed $x4 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: // kill: def $x3 killed $x3 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x5 killed $x5 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: caspa x2, x3, x4, x5, [x0]
; CHECK-CAS-O1-NEXT: mov v0.d[0], x2
; CHECK-CAS-O1-NEXT: mov v0.d[1], x3
; CHECK-CAS-O1-NEXT: str q0, [x0]
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: val_compare_and_swap:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: .LBB0_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldaxp x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cmp x9, x2
; CHECK-LLSC-O0-NEXT: cset w10, ne
; CHECK-LLSC-O0-NEXT: cmp x8, x3
; CHECK-LLSC-O0-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB0_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB0_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w10, x4, x5, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB0_1
; CHECK-LLSC-O0-NEXT: b .LBB0_4
; CHECK-LLSC-O0-NEXT: .LBB0_3: // in Loop: Header=BB0_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w10, x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB0_1
; CHECK-LLSC-O0-NEXT: .LBB0_4:
; CHECK-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-LLSC-O0-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O0-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O0-NEXT: str q0, [x0]
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: val_compare_and_swap:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: str x0, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x4, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_acq
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x8, x0
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[0], x8
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O0-NEXT: str q0, [x0]
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: val_compare_and_swap:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: sub sp, sp, #16
; CHECK-CAS-O0-NEXT: .cfi_def_cfa_offset 16
; CHECK-CAS-O0-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-CAS-O0-NEXT: mov x1, x5
; CHECK-CAS-O0-NEXT: ldr x5, [sp, #8] // 8-byte Folded Reload
; CHECK-CAS-O0-NEXT: // kill: def $x2 killed $x2 def $x2_x3
; CHECK-CAS-O0-NEXT: mov x3, x5
; CHECK-CAS-O0-NEXT: // kill: def $x4 killed $x4 def $x4_x5
; CHECK-CAS-O0-NEXT: mov x5, x1
; CHECK-CAS-O0-NEXT: caspa x2, x3, x4, x5, [x0]
; CHECK-CAS-O0-NEXT: mov x9, x2
; CHECK-CAS-O0-NEXT: mov x8, x3
; CHECK-CAS-O0-NEXT: // implicit-def: $q0
; CHECK-CAS-O0-NEXT: mov v0.d[0], x9
; CHECK-CAS-O0-NEXT: mov v0.d[1], x8
; CHECK-CAS-O0-NEXT: str q0, [x0]
; CHECK-CAS-O0-NEXT: add sp, sp, #16
; CHECK-CAS-O0-NEXT: ret
%pair = cmpxchg ptr %p, i128 %oldval, i128 %newval acquire acquire
%val = extractvalue { i128, i1 } %pair, 0
store i128 %val, ptr %p
ret void
}
define void @val_compare_and_swap_monotonic_seqcst(ptr %p, i128 %oldval, i128 %newval) {
; CHECK-LLSC-O1-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB1_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldaxp x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cmp x8, x2
; CHECK-LLSC-O1-NEXT: cset w10, ne
; CHECK-LLSC-O1-NEXT: cmp x9, x3
; CHECK-LLSC-O1-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O1-NEXT: cbz w10, .LBB1_3
; CHECK-LLSC-O1-NEXT: // %bb.2: // in Loop: Header=BB1_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB1_1
; CHECK-LLSC-O1-NEXT: b .LBB1_4
; CHECK-LLSC-O1-NEXT: .LBB1_3: // in Loop: Header=BB1_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB1_1
; CHECK-LLSC-O1-NEXT: .LBB1_4:
; CHECK-LLSC-O1-NEXT: mov v0.d[0], x8
; CHECK-LLSC-O1-NEXT: mov v0.d[1], x9
; CHECK-LLSC-O1-NEXT: str q0, [x0]
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_def_cfa_offset 16
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w19, -8
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x19, x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x4, x19
; CHECK-OUTLINE-LLSC-O1-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[0], x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O1-NEXT: str q0, [x19]
; CHECK-OUTLINE-LLSC-O1-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: // kill: def $x2 killed $x2 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x4 killed $x4 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: // kill: def $x3 killed $x3 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x5 killed $x5 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O1-NEXT: mov v0.d[0], x2
; CHECK-CAS-O1-NEXT: mov v0.d[1], x3
; CHECK-CAS-O1-NEXT: str q0, [x0]
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: .LBB1_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldaxp x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cmp x9, x2
; CHECK-LLSC-O0-NEXT: cset w10, ne
; CHECK-LLSC-O0-NEXT: cmp x8, x3
; CHECK-LLSC-O0-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB1_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB1_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB1_1
; CHECK-LLSC-O0-NEXT: b .LBB1_4
; CHECK-LLSC-O0-NEXT: .LBB1_3: // in Loop: Header=BB1_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB1_1
; CHECK-LLSC-O0-NEXT: .LBB1_4:
; CHECK-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-LLSC-O0-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O0-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O0-NEXT: str q0, [x0]
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: str x0, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x4, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x8, x0
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[0], x8
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O0-NEXT: str q0, [x0]
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: val_compare_and_swap_monotonic_seqcst:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: sub sp, sp, #16
; CHECK-CAS-O0-NEXT: .cfi_def_cfa_offset 16
; CHECK-CAS-O0-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-CAS-O0-NEXT: mov x1, x5
; CHECK-CAS-O0-NEXT: ldr x5, [sp, #8] // 8-byte Folded Reload
; CHECK-CAS-O0-NEXT: // kill: def $x2 killed $x2 def $x2_x3
; CHECK-CAS-O0-NEXT: mov x3, x5
; CHECK-CAS-O0-NEXT: // kill: def $x4 killed $x4 def $x4_x5
; CHECK-CAS-O0-NEXT: mov x5, x1
; CHECK-CAS-O0-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O0-NEXT: mov x9, x2
; CHECK-CAS-O0-NEXT: mov x8, x3
; CHECK-CAS-O0-NEXT: // implicit-def: $q0
; CHECK-CAS-O0-NEXT: mov v0.d[0], x9
; CHECK-CAS-O0-NEXT: mov v0.d[1], x8
; CHECK-CAS-O0-NEXT: str q0, [x0]
; CHECK-CAS-O0-NEXT: add sp, sp, #16
; CHECK-CAS-O0-NEXT: ret
%pair = cmpxchg ptr %p, i128 %oldval, i128 %newval monotonic seq_cst
%val = extractvalue { i128, i1 } %pair, 0
store i128 %val, ptr %p
ret void
}
define void @val_compare_and_swap_release_acquire(ptr %p, i128 %oldval, i128 %newval) {
; CHECK-LLSC-O1-LABEL: val_compare_and_swap_release_acquire:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB2_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldaxp x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cmp x8, x2
; CHECK-LLSC-O1-NEXT: cset w10, ne
; CHECK-LLSC-O1-NEXT: cmp x9, x3
; CHECK-LLSC-O1-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O1-NEXT: cbz w10, .LBB2_3
; CHECK-LLSC-O1-NEXT: // %bb.2: // in Loop: Header=BB2_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB2_1
; CHECK-LLSC-O1-NEXT: b .LBB2_4
; CHECK-LLSC-O1-NEXT: .LBB2_3: // in Loop: Header=BB2_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB2_1
; CHECK-LLSC-O1-NEXT: .LBB2_4:
; CHECK-LLSC-O1-NEXT: mov v0.d[0], x8
; CHECK-LLSC-O1-NEXT: mov v0.d[1], x9
; CHECK-LLSC-O1-NEXT: str q0, [x0]
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: val_compare_and_swap_release_acquire:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_def_cfa_offset 16
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w19, -8
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x19, x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x4, x19
; CHECK-OUTLINE-LLSC-O1-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[0], x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O1-NEXT: str q0, [x19]
; CHECK-OUTLINE-LLSC-O1-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: val_compare_and_swap_release_acquire:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: // kill: def $x2 killed $x2 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x4 killed $x4 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: // kill: def $x3 killed $x3 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x5 killed $x5 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O1-NEXT: mov v0.d[0], x2
; CHECK-CAS-O1-NEXT: mov v0.d[1], x3
; CHECK-CAS-O1-NEXT: str q0, [x0]
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: val_compare_and_swap_release_acquire:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: .LBB2_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldaxp x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cmp x9, x2
; CHECK-LLSC-O0-NEXT: cset w10, ne
; CHECK-LLSC-O0-NEXT: cmp x8, x3
; CHECK-LLSC-O0-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB2_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB2_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB2_1
; CHECK-LLSC-O0-NEXT: b .LBB2_4
; CHECK-LLSC-O0-NEXT: .LBB2_3: // in Loop: Header=BB2_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB2_1
; CHECK-LLSC-O0-NEXT: .LBB2_4:
; CHECK-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-LLSC-O0-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O0-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O0-NEXT: str q0, [x0]
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: val_compare_and_swap_release_acquire:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: str x0, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x4, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x8, x0
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[0], x8
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O0-NEXT: str q0, [x0]
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: val_compare_and_swap_release_acquire:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: sub sp, sp, #16
; CHECK-CAS-O0-NEXT: .cfi_def_cfa_offset 16
; CHECK-CAS-O0-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-CAS-O0-NEXT: mov x1, x5
; CHECK-CAS-O0-NEXT: ldr x5, [sp, #8] // 8-byte Folded Reload
; CHECK-CAS-O0-NEXT: // kill: def $x2 killed $x2 def $x2_x3
; CHECK-CAS-O0-NEXT: mov x3, x5
; CHECK-CAS-O0-NEXT: // kill: def $x4 killed $x4 def $x4_x5
; CHECK-CAS-O0-NEXT: mov x5, x1
; CHECK-CAS-O0-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O0-NEXT: mov x9, x2
; CHECK-CAS-O0-NEXT: mov x8, x3
; CHECK-CAS-O0-NEXT: // implicit-def: $q0
; CHECK-CAS-O0-NEXT: mov v0.d[0], x9
; CHECK-CAS-O0-NEXT: mov v0.d[1], x8
; CHECK-CAS-O0-NEXT: str q0, [x0]
; CHECK-CAS-O0-NEXT: add sp, sp, #16
; CHECK-CAS-O0-NEXT: ret
%pair = cmpxchg ptr %p, i128 %oldval, i128 %newval release acquire
%val = extractvalue { i128, i1 } %pair, 0
store i128 %val, ptr %p
ret void
}
define void @val_compare_and_swap_monotonic(ptr %p, i128 %oldval, i128 %newval) {
; CHECK-LLSC-O1-LABEL: val_compare_and_swap_monotonic:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB3_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldaxp x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cmp x8, x2
; CHECK-LLSC-O1-NEXT: cset w10, ne
; CHECK-LLSC-O1-NEXT: cmp x9, x3
; CHECK-LLSC-O1-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O1-NEXT: cbz w10, .LBB3_3
; CHECK-LLSC-O1-NEXT: // %bb.2: // in Loop: Header=BB3_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x8, x9, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB3_1
; CHECK-LLSC-O1-NEXT: b .LBB3_4
; CHECK-LLSC-O1-NEXT: .LBB3_3: // in Loop: Header=BB3_1 Depth=1
; CHECK-LLSC-O1-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB3_1
; CHECK-LLSC-O1-NEXT: .LBB3_4:
; CHECK-LLSC-O1-NEXT: mov v0.d[0], x8
; CHECK-LLSC-O1-NEXT: mov v0.d[1], x9
; CHECK-LLSC-O1-NEXT: str q0, [x0]
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: val_compare_and_swap_monotonic:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_def_cfa_offset 16
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w19, -8
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x19, x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x4, x19
; CHECK-OUTLINE-LLSC-O1-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[0], x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O1-NEXT: str q0, [x19]
; CHECK-OUTLINE-LLSC-O1-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: val_compare_and_swap_monotonic:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: // kill: def $x2 killed $x2 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x4 killed $x4 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: // kill: def $x3 killed $x3 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x5 killed $x5 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O1-NEXT: mov v0.d[0], x2
; CHECK-CAS-O1-NEXT: mov v0.d[1], x3
; CHECK-CAS-O1-NEXT: str q0, [x0]
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: val_compare_and_swap_monotonic:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: .LBB3_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldaxp x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cmp x9, x2
; CHECK-LLSC-O0-NEXT: cset w10, ne
; CHECK-LLSC-O0-NEXT: cmp x8, x3
; CHECK-LLSC-O0-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB3_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB3_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x4, x5, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB3_1
; CHECK-LLSC-O0-NEXT: b .LBB3_4
; CHECK-LLSC-O0-NEXT: .LBB3_3: // in Loop: Header=BB3_1 Depth=1
; CHECK-LLSC-O0-NEXT: stlxp w10, x9, x8, [x0]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB3_1
; CHECK-LLSC-O0-NEXT: .LBB3_4:
; CHECK-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-LLSC-O0-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O0-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O0-NEXT: str q0, [x0]
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: val_compare_and_swap_monotonic:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: str x0, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x4, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_acq_rel
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x8, x0
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[0], x8
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O0-NEXT: str q0, [x0]
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: val_compare_and_swap_monotonic:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: sub sp, sp, #16
; CHECK-CAS-O0-NEXT: .cfi_def_cfa_offset 16
; CHECK-CAS-O0-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-CAS-O0-NEXT: mov x1, x5
; CHECK-CAS-O0-NEXT: ldr x5, [sp, #8] // 8-byte Folded Reload
; CHECK-CAS-O0-NEXT: // kill: def $x2 killed $x2 def $x2_x3
; CHECK-CAS-O0-NEXT: mov x3, x5
; CHECK-CAS-O0-NEXT: // kill: def $x4 killed $x4 def $x4_x5
; CHECK-CAS-O0-NEXT: mov x5, x1
; CHECK-CAS-O0-NEXT: caspal x2, x3, x4, x5, [x0]
; CHECK-CAS-O0-NEXT: mov x9, x2
; CHECK-CAS-O0-NEXT: mov x8, x3
; CHECK-CAS-O0-NEXT: // implicit-def: $q0
; CHECK-CAS-O0-NEXT: mov v0.d[0], x9
; CHECK-CAS-O0-NEXT: mov v0.d[1], x8
; CHECK-CAS-O0-NEXT: str q0, [x0]
; CHECK-CAS-O0-NEXT: add sp, sp, #16
; CHECK-CAS-O0-NEXT: ret
%pair = cmpxchg ptr %p, i128 %oldval, i128 %newval release acquire
%val = extractvalue { i128, i1 } %pair, 0
store i128 %val, ptr %p
ret void
}
define void @atomic_load_relaxed(i64, i64, ptr %p, ptr %p2) {
; CHECK-LLSC-O1-LABEL: atomic_load_relaxed:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB4_1: // %atomicrmw.start
; CHECK-LLSC-O1-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldxp x9, x8, [x2]
; CHECK-LLSC-O1-NEXT: stxp w10, x9, x8, [x2]
; CHECK-LLSC-O1-NEXT: cbnz w10, .LBB4_1
; CHECK-LLSC-O1-NEXT: // %bb.2: // %atomicrmw.end
; CHECK-LLSC-O1-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O1-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O1-NEXT: str q0, [x3]
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: atomic_load_relaxed:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: .LBB4_1: // %atomicrmw.start
; CHECK-OUTLINE-LLSC-O1-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-OUTLINE-LLSC-O1-NEXT: ldxp x9, x8, [x2]
; CHECK-OUTLINE-LLSC-O1-NEXT: stxp w10, x9, x8, [x2]
; CHECK-OUTLINE-LLSC-O1-NEXT: cbnz w10, .LBB4_1
; CHECK-OUTLINE-LLSC-O1-NEXT: // %bb.2: // %atomicrmw.end
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[0], x9
; CHECK-OUTLINE-LLSC-O1-NEXT: mov v0.d[1], x8
; CHECK-OUTLINE-LLSC-O1-NEXT: str q0, [x3]
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: atomic_load_relaxed:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: mov x0, xzr
; CHECK-CAS-O1-NEXT: mov x1, xzr
; CHECK-CAS-O1-NEXT: casp x0, x1, x0, x1, [x2]
; CHECK-CAS-O1-NEXT: mov v0.d[0], x0
; CHECK-CAS-O1-NEXT: mov v0.d[1], x1
; CHECK-CAS-O1-NEXT: str q0, [x3]
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: atomic_load_relaxed:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: mov x11, xzr
; CHECK-LLSC-O0-NEXT: .LBB4_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldxp x9, x8, [x2]
; CHECK-LLSC-O0-NEXT: cmp x9, x11
; CHECK-LLSC-O0-NEXT: cset w10, ne
; CHECK-LLSC-O0-NEXT: cmp x8, x11
; CHECK-LLSC-O0-NEXT: cinc w10, w10, ne
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB4_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB4_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w10, x11, x11, [x2]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB4_1
; CHECK-LLSC-O0-NEXT: b .LBB4_4
; CHECK-LLSC-O0-NEXT: .LBB4_3: // in Loop: Header=BB4_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w10, x9, x8, [x2]
; CHECK-LLSC-O0-NEXT: cbnz w10, .LBB4_1
; CHECK-LLSC-O0-NEXT: .LBB4_4:
; CHECK-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-LLSC-O0-NEXT: mov v0.d[0], x9
; CHECK-LLSC-O0-NEXT: mov v0.d[1], x8
; CHECK-LLSC-O0-NEXT: str q0, [x3]
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: atomic_load_relaxed:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x4, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, xzr
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_relax
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x3, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: // implicit-def: $q0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[0], x0
; CHECK-OUTLINE-LLSC-O0-NEXT: mov v0.d[1], x1
; CHECK-OUTLINE-LLSC-O0-NEXT: str q0, [x3]
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: atomic_load_relaxed:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: mov x8, xzr
; CHECK-CAS-O0-NEXT: mov x0, x8
; CHECK-CAS-O0-NEXT: mov x1, x8
; CHECK-CAS-O0-NEXT: mov x4, x8
; CHECK-CAS-O0-NEXT: mov x5, x8
; CHECK-CAS-O0-NEXT: casp x0, x1, x4, x5, [x2]
; CHECK-CAS-O0-NEXT: mov x9, x0
; CHECK-CAS-O0-NEXT: mov x8, x1
; CHECK-CAS-O0-NEXT: // implicit-def: $q0
; CHECK-CAS-O0-NEXT: mov v0.d[0], x9
; CHECK-CAS-O0-NEXT: mov v0.d[1], x8
; CHECK-CAS-O0-NEXT: str q0, [x3]
; CHECK-CAS-O0-NEXT: ret
%r = load atomic i128, ptr %p monotonic, align 16
store i128 %r, ptr %p2
ret void
}
define i128 @val_compare_and_swap_return(ptr %p, i128 %oldval, i128 %newval) {
; CHECK-LLSC-O1-LABEL: val_compare_and_swap_return:
; CHECK-LLSC-O1: // %bb.0:
; CHECK-LLSC-O1-NEXT: .LBB5_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O1-NEXT: ldaxp x8, x1, [x0]
; CHECK-LLSC-O1-NEXT: cmp x8, x2
; CHECK-LLSC-O1-NEXT: cset w9, ne
; CHECK-LLSC-O1-NEXT: cmp x1, x3
; CHECK-LLSC-O1-NEXT: cinc w9, w9, ne
; CHECK-LLSC-O1-NEXT: cbz w9, .LBB5_3
; CHECK-LLSC-O1-NEXT: // %bb.2: // in Loop: Header=BB5_1 Depth=1
; CHECK-LLSC-O1-NEXT: stxp w9, x8, x1, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w9, .LBB5_1
; CHECK-LLSC-O1-NEXT: b .LBB5_4
; CHECK-LLSC-O1-NEXT: .LBB5_3: // in Loop: Header=BB5_1 Depth=1
; CHECK-LLSC-O1-NEXT: stxp w9, x4, x5, [x0]
; CHECK-LLSC-O1-NEXT: cbnz w9, .LBB5_1
; CHECK-LLSC-O1-NEXT: .LBB5_4:
; CHECK-LLSC-O1-NEXT: mov x0, x8
; CHECK-LLSC-O1-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O1-LABEL: val_compare_and_swap_return:
; CHECK-OUTLINE-LLSC-O1: // %bb.0:
; CHECK-OUTLINE-LLSC-O1-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_def_cfa_offset 16
; CHECK-OUTLINE-LLSC-O1-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x6, x0
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O1-NEXT: mov x4, x6
; CHECK-OUTLINE-LLSC-O1-NEXT: bl __aarch64_cas16_acq
; CHECK-OUTLINE-LLSC-O1-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O1-NEXT: ret
;
; CHECK-CAS-O1-LABEL: val_compare_and_swap_return:
; CHECK-CAS-O1: // %bb.0:
; CHECK-CAS-O1-NEXT: // kill: def $x2 killed $x2 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x4 killed $x4 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: // kill: def $x3 killed $x3 killed $x2_x3 def $x2_x3
; CHECK-CAS-O1-NEXT: // kill: def $x5 killed $x5 killed $x4_x5 def $x4_x5
; CHECK-CAS-O1-NEXT: caspa x2, x3, x4, x5, [x0]
; CHECK-CAS-O1-NEXT: mov x0, x2
; CHECK-CAS-O1-NEXT: mov x1, x3
; CHECK-CAS-O1-NEXT: ret
;
; CHECK-LLSC-O0-LABEL: val_compare_and_swap_return:
; CHECK-LLSC-O0: // %bb.0:
; CHECK-LLSC-O0-NEXT: mov x9, x0
; CHECK-LLSC-O0-NEXT: .LBB5_1: // =>This Inner Loop Header: Depth=1
; CHECK-LLSC-O0-NEXT: ldaxp x0, x1, [x9]
; CHECK-LLSC-O0-NEXT: cmp x0, x2
; CHECK-LLSC-O0-NEXT: cset w8, ne
; CHECK-LLSC-O0-NEXT: cmp x1, x3
; CHECK-LLSC-O0-NEXT: cinc w8, w8, ne
; CHECK-LLSC-O0-NEXT: cbnz w8, .LBB5_3
; CHECK-LLSC-O0-NEXT: // %bb.2: // in Loop: Header=BB5_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w8, x4, x5, [x9]
; CHECK-LLSC-O0-NEXT: cbnz w8, .LBB5_1
; CHECK-LLSC-O0-NEXT: b .LBB5_4
; CHECK-LLSC-O0-NEXT: .LBB5_3: // in Loop: Header=BB5_1 Depth=1
; CHECK-LLSC-O0-NEXT: stxp w8, x0, x1, [x9]
; CHECK-LLSC-O0-NEXT: cbnz w8, .LBB5_1
; CHECK-LLSC-O0-NEXT: .LBB5_4:
; CHECK-LLSC-O0-NEXT: ret
;
; CHECK-OUTLINE-LLSC-O0-LABEL: val_compare_and_swap_return:
; CHECK-OUTLINE-LLSC-O0: // %bb.0:
; CHECK-OUTLINE-LLSC-O0-NEXT: sub sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_def_cfa_offset 32
; CHECK-OUTLINE-LLSC-O0-NEXT: .cfi_offset w30, -16
; CHECK-OUTLINE-LLSC-O0-NEXT: str x0, [sp, #8] // 8-byte Folded Spill
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x0, x2
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x1, x3
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x2, x4
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x4, [sp, #8] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: mov x3, x5
; CHECK-OUTLINE-LLSC-O0-NEXT: bl __aarch64_cas16_acq
; CHECK-OUTLINE-LLSC-O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-OUTLINE-LLSC-O0-NEXT: add sp, sp, #32
; CHECK-OUTLINE-LLSC-O0-NEXT: ret
;
; CHECK-CAS-O0-LABEL: val_compare_and_swap_return:
; CHECK-CAS-O0: // %bb.0:
; CHECK-CAS-O0-NEXT: mov x8, x0
; CHECK-CAS-O0-NEXT: mov x1, x3
; CHECK-CAS-O0-NEXT: mov x0, x4
; CHECK-CAS-O0-NEXT: // kill: def $x2 killed $x2 def $x2_x3
; CHECK-CAS-O0-NEXT: mov x3, x1
; CHECK-CAS-O0-NEXT: // kill: def $x0 killed $x0 def $x0_x1
; CHECK-CAS-O0-NEXT: mov x1, x5
; CHECK-CAS-O0-NEXT: caspa x2, x3, x0, x1, [x8]
; CHECK-CAS-O0-NEXT: mov x0, x2
; CHECK-CAS-O0-NEXT: mov x1, x3
; CHECK-CAS-O0-NEXT: ret
%pair = cmpxchg ptr %p, i128 %oldval, i128 %newval acquire acquire
%val = extractvalue { i128, i1 } %pair, 0
ret i128 %val
}
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