llvm-project/llvm/test/CodeGen/Mips/micromips-atomic.ll

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; RUN: llc %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -filetype=asm \
; RUN: -relocation-model=pic -o - | FileCheck %s
@x = common global i32 0, align 4
define i32 @AtomicLoadAdd32(i32 %incr) nounwind {
entry:
%0 = atomicrmw add i32* @x, i32 %incr monotonic
ret i32 %0
; CHECK-LABEL: AtomicLoadAdd32:
; CHECK: lw $[[R0:[0-9]+]], %got(x)
; CHECK: $[[BB0:[A-Z_0-9]+]]:
; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]])
; CHECK: addu $[[R2:[0-9]+]], $[[R1]], $4
; CHECK: sc $[[R2]], 0($[[R0]])
; CHECK: beqz $[[R2]], $[[BB0]]
}