fence.mir
920 Bytes
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |
define void @atomic_load_i32(i32* %ptr) { ret void }
...
---
name: atomic_load_i32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1 (%ir-block.0):
liveins: $a0
; MIPS32-LABEL: name: atomic_load_i32
; MIPS32: liveins: $a0
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[COPY]], 0 :: (load monotonic 4 from %ir.ptr)
; MIPS32: SYNC 0
; MIPS32: $v0 = COPY [[LW]]
; MIPS32: RetRA implicit $v0
%0:gprb(p0) = COPY $a0
%1:gprb(s32) = G_LOAD %0(p0) :: (load monotonic 4 from %ir.ptr)
G_FENCE 4, 1
$v0 = COPY %1(s32)
RetRA implicit $v0
...