YouCompleteMe/cpp/llvm/test/CodeGen/Thumb2/thumb2-bcc.ll
2012-07-05 17:51:06 -07:00

24 lines
583 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:
fence seq_cst
%tmp5 = add i32 %b, 1
%tmp6 = and i32 %tmp5, %c
ret i32 %tmp6
cond_false:
fence seq_cst
%tmp7 = add i32 %b, -1
%tmp8 = xor i32 %tmp7, %c
ret i32 %tmp8
}