File: select-cmpxchg.mir

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (54 lines) | stat: -rw-r--r-- 1,830 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-- -mattr=+lse -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"

  define void @cmpxchg_i32(ptr %addr) { ret void }
  define void @cmpxchg_i64(ptr %addr) { ret void }
...

---
name:            cmpxchg_i32
legalized:       true
regBankSelected: true

body:             |
  bb.0:
    liveins: $x0

    ; CHECK-LABEL: name: cmpxchg_i32
    ; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr
    ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1
    ; CHECK: [[CASW:%[0-9]+]]:gpr32 = CASW [[COPY1]], [[MOVi32imm]], [[COPY]] :: (load store monotonic (s32) on %ir.addr)
    ; CHECK: $w0 = COPY [[CASW]]
    %0:gpr(p0) = COPY $x0
    %1:gpr(s32) = G_CONSTANT i32 0
    %2:gpr(s32) = G_CONSTANT i32 1
    %3:gpr(s32) = G_ATOMIC_CMPXCHG %0, %1, %2 :: (load store monotonic (s32) on %ir.addr)
    $w0 = COPY %3(s32)
...

---
name:            cmpxchg_i64
legalized:       true
regBankSelected: true

body:             |
  bb.0:
    liveins: $x0

    ; CHECK-LABEL: name: cmpxchg_i64
    ; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr64 = COPY $xzr
    ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1
    ; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
    ; CHECK: [[CASX:%[0-9]+]]:gpr64 = CASX [[COPY1]], [[SUBREG_TO_REG]], [[COPY]] :: (load store monotonic (s64) on %ir.addr)
    ; CHECK: $x0 = COPY [[CASX]]
    %0:gpr(p0) = COPY $x0
    %1:gpr(s64) = G_CONSTANT i64 0
    %2:gpr(s64) = G_CONSTANT i64 1
    %3:gpr(s64) = G_ATOMIC_CMPXCHG %0, %1, %2 :: (load store monotonic (s64) on %ir.addr)
    $x0 = COPY %3(s64)
...