File: thumb2-bcc.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (23 lines) | stat: -rw-r--r-- 617 bytes parent folder | download | duplicates (37) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | 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-LABEL: 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
}