llvm-6502/test/CodeGen/Thumb2/thumb2-bcc.ll
Evan Cheng 439661395f Introduce MCCodeGenInfo, which keeps information that can affect codegen
(including compilation, assembly). Move relocation model Reloc::Model from
TargetMachine to MCCodeGenInfo so it's accessible even without TargetMachine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19 06:37:02 +00:00

26 lines
791 B
LLVM

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