14 lines
298 B
LLVM
14 lines
298 B
LLVM
; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
|
|
|
|
; Checks that atomic fences are simply removed from IR.
|
|
; AVR is always singlethreaded so fences do nothing.
|
|
|
|
; CHECK_LABEL: atomic_fence8
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: ret
|
|
define void @atomic_fence8() {
|
|
fence acquire
|
|
ret void
|
|
}
|
|
|