1 ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
2 ; RUN: llc < %s -march=thumb -mattr=+thumb2 | not grep it
3 ; If-conversion defeats the purpose of this test, which is to check CBZ
4 ; generation, so use memory barrier instruction to make sure it doesn't
5 ; happen and we get actual branches.
7 define i32 @t1(i32 %a, i32 %b, i32 %c) {
10 %tmp2 = icmp eq i32 %a, 0
11 br i1 %tmp2, label %cond_false, label %cond_true
14 call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
16 %tmp6 = and i32 %tmp5, %c
20 call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
21 %tmp7 = add i32 %b, -1
22 %tmp8 = xor i32 %tmp7, %c
26 declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind