File: branch-relax-alignment.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (29 lines) | stat: -rw-r--r-- 863 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-bcc-offset-bits=4 -align-all-nofallthru-blocks=4 < %s | FileCheck %s

; Long branch is assumed because the block has a higher alignment
; requirement than the function.

define i32 @invert_bcc_block_align_higher_func(i32 %x, i32 %y) align 4 #0 {
; CHECK-LABEL: invert_bcc_block_align_higher_func:
; CHECK:       ; %bb.0: ; %common.ret
; CHECK-NEXT:    cmp w0, w1
; CHECK-NEXT:    mov w8, #9
; CHECK-NEXT:    mov w9, #42
; CHECK-NEXT:    cset w0, ne
; CHECK-NEXT:    csel w8, w9, w8, eq
; CHECK-NEXT:    str w8, [x8]
; CHECK-NEXT:    ret
  %1 = icmp eq i32 %x, %y
  br i1 %1, label %bb1, label %bb2

bb2:
  store volatile i32 9, ptr undef
  ret i32 1

bb1:
  store volatile i32 42, ptr undef
  ret i32 0
}

attributes #0 = { nounwind }