File: and_neg.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (20 lines) | stat: -rw-r--r-- 498 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs
; Just shouldn't crash, PR28348

%C = type { i8* }

define void @repro(%C* %this, i32 %a) {
  %a_align1 = and i32 %a, -4096
  %a_and = and i32 %a, 4095
  %a_align2 = or i32 %a_and, 4096

  call void @use(i32 %a_align1)

  %C_field = getelementptr inbounds %C, %C* %this, i32 0, i32 0
  %addptr = getelementptr inbounds i8, i8* null, i32 %a_align2
  store i8* %addptr, i8** %C_field, align 4

  ret void
}

declare void @use(i32)