legalize-cmpxchg-with-success.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-- -mattr=+lse -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @cmpxchg_i32(i64* %addr) { ret void }
define void @cmpxchg_i64(i64* %addr) { ret void }
...
---
name: cmpxchg_i32
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: cmpxchg_i32
; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[CMP:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[CST:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[RES:%[0-9]+]]:_(s32) = G_ATOMIC_CMPXCHG [[COPY]](p0), [[CMP]], [[CST]] :: (load store monotonic 8 on %ir.addr)
; CHECK: [[SRES:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[RES]](s32), [[CMP]]
; CHECK: [[SRES32:%[0-9]+]]:_(s32) = COPY [[SRES]]
; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[RES]], [[SRES32]]
; CHECK: $w0 = COPY [[MUL]]
%0:_(p0) = COPY $x0
%1:_(s32) = G_CONSTANT i32 0
%2:_(s32) = G_CONSTANT i32 1
%3:_(s32), %4:_(s1) = G_ATOMIC_CMPXCHG_WITH_SUCCESS %0, %1, %2 :: (load store monotonic 8 on %ir.addr)
%5:_(s32) = G_ANYEXT %4
%6:_(s32) = G_MUL %3, %5
$w0 = COPY %6(s32)
...
---
name: cmpxchg_i64
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: cmpxchg_i64
; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[CMP:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[CST:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[RES:%[0-9]+]]:_(s64) = G_ATOMIC_CMPXCHG [[COPY]](p0), [[CMP]], [[CST]] :: (load store monotonic 8 on %ir.addr)
; CHECK: [[SRES:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[RES]](s64), [[CMP]]
; CHECK: [[SRES64:%[0-9]+]]:_(s64) = G_ANYEXT [[SRES]]
; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[RES]], [[SRES64]]
; CHECK: $x0 = COPY [[MUL]]
%0:_(p0) = COPY $x0
%1:_(s64) = G_CONSTANT i64 0
%2:_(s64) = G_CONSTANT i64 1
%3:_(s64), %4:_(s1) = G_ATOMIC_CMPXCHG_WITH_SUCCESS %0, %1, %2 :: (load store monotonic 8 on %ir.addr)
%5:_(s64) = G_ANYEXT %4
%6:_(s64) = G_MUL %3, %5
$x0 = COPY %6(s64)
...