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TheRock/compiler/amd-llvm/llvm/test/Instrumentation/AddressSanitizer/global_addrspace.ll
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2026-09-02 16:34:47 -07:00

32 lines
864 B
LLVM

; 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}