hanchenye-llvm-project/llvm/test/CodeGen/SystemZ/atomic-load-01.ll

13 lines
263 B
LLVM

; Test 8-bit atomic loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define i8 @f1(i8 *%src) {
; CHECK-LABEL: f1:
; CHECK: bcr 1{{[45]}}, %r0
; CHECK: lb %r2, 0(%r2)
; CHECK: br %r14
%val = load atomic i8 *%src seq_cst, align 1
ret i8 %val
}