1; Test serialization instructions. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | \ 4; RUN: FileCheck %s -check-prefix=CHECK-FULL 5; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | \ 6; RUN: FileCheck %s -check-prefix=CHECK-FAST 7 8; Check that volatile loads produce a serialisation. 9define i32 @f1(i32 *%src) { 10; CHECK-FULL-LABEL: f1: 11; CHECK-FULL: bcr 15, %r0 12; CHECK-FULL: l %r2, 0(%r2) 13; CHECK-FULL: br %r14 14; 15; CHECK-FAST-LABEL: f1: 16; CHECK-FAST: bcr 14, %r0 17; CHECK-FAST: l %r2, 0(%r2) 18; CHECK-FAST: br %r14 19 %val = load volatile i32 , i32 *%src 20 ret i32 %val 21} 22