File: global_addrspace.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (31 lines) | stat: -rw-r--r-- 864 bytes parent folder | download | duplicates (12) 
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
30
31
 
; Only verify that asan don't crash on global variables of different
; address space. The global variable should be unmodified by asan.

; RUN: opt < %s -passes=asan -S | FileCheck %s

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@a = internal addrspace(42) global [1 x i32] zeroinitializer, align 4

; CHECK: @a = internal addrspace(42) global [1 x i32] zeroinitializer, align 4

define void @b(i32 %c) {
entry:
  %conv = sext i32 %c to i64
  %0 = inttoptr i64 %conv to ptr addrspace(42)
  %cmp = icmp ugt ptr addrspace(42) %0, @a
  br i1 %cmp, label %if.then, label %if.end

if.then:
  %call = tail call i32 (...) @e()
  br label %if.end

if.end:
  ret void
}

declare i32 @e(...)

!llvm.asan.globals = !{!0}
!0 = !{ptr addrspace(42) @a, null, !"a", i1 false, i1 false}