llvm/llvm/test/Bitcode/atomic-no-syncscope.ll

; RUN: llvm-dis -o - %s.bc | FileCheck %s

; Backwards compatibility test: make sure we can process bitcode without
; synchronization scope names encoded in it.

; CHECK: load atomic i32, ptr %x unordered, align 4
; CHECK: load atomic volatile i32, ptr %x syncscope("singlethread") acquire, align 4
; CHECK: store atomic i32 3, ptr %x release, align 4
; CHECK: store atomic volatile i32 3, ptr %x syncscope("singlethread") monotonic, align 4
; CHECK: cmpxchg ptr %x, i32 1, i32 0 syncscope("singlethread") monotonic monotonic
; CHECK: cmpxchg volatile ptr %x, i32 0, i32 1 acq_rel acquire
; CHECK: cmpxchg ptr %x, i32 42, i32 0 acq_rel monotonic
; CHECK: cmpxchg weak ptr %x, i32 13, i32 0 seq_cst monotonic
; CHECK: atomicrmw add ptr %x, i32 10 seq_cst
; CHECK: atomicrmw volatile xchg  ptr %x, i32 10 monotonic
; CHECK: fence syncscope("singlethread") release
; CHECK: fence seq_cst