test/CodeGen/SystemZ/atomic-load-02.ll


1
2
3
4
5
6
7
8
9
10
11
12

; Test 16-bit atomic loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

define i16 @f1(i16 *%src) {
; CHECK-LABEL: f1:
; CHECK: bcr 1{{[45]}}, %r0
; CHECK: lh %r2, 0(%r2)
; CHECK: br %r14
  %val = load atomic i16 *%src seq_cst, align 2
  ret i16 %val
}