1 ; Ensure that adjacent duplicated barriers are not removed at -O0. 2 ; RUN: llc -O0 < %s -mtriple=armv7 -mattr=+db | FileCheck %s 3 4 define i32 @t1() { 5 entry: 6 fence seq_cst 7 fence seq_cst 8 fence seq_cst 9 ret i32 0 10 } 11 12 ; CHECK: @ BB#0: @ %entry 13 ; CHECK-NEXT: dmb ish 14 ; CHECK-NEXT: dmb ish 15 ; CHECK-NEXT: dmb ish 16
