llvm-for-llvmta/test/Instrumentation/HWAddressSanitizer/alloca-compat.ll

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2022-04-25 10:02:23 +02:00
; Test that alloca instrumentation with old API levels does not use short granules.
;
; RUN: opt < %s -hwasan -S | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-android"
declare void @use32(i32*)
define void @test_alloca() sanitize_hwaddress {
; CHECK-LABEL: @test_alloca(
; CHECK: %[[X_TAG:[^ ]*]] = trunc i64 {{.*}} to i8
; CHECK: call void @llvm.memset.p0i8.i64(i8* align 1 {{.*}}, i8 %[[X_TAG]], i64 1, i1 false)
%x = alloca i32, align 4
call void @use32(i32* nonnull %x)
ret void
}