view llvm/test/Instrumentation/AddressSanitizer/byref-args.ll @ 227:21e6aa2e49ef

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 19 Jul 2021 06:57:16 +0900
parents 2e18cbf3894f
children c4bab56944e8
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; RUN: opt < %s -asan -S -enable-new-pm=0 | FileCheck %s
; RUN: opt < %s -passes='asan-function-pipeline' -S | FileCheck %s

; Test that for call instructions, the byref arguments are not
; instrumented, as no copy is implied.

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"

%struct.bar = type { %struct.foo }
%struct.foo = type { i8*, i8*, i8* }

; CHECK-LABEL: @func2
; CHECK-NEXT: tail call void @func1(
; CHECK-NEXT: ret void
define dso_local void @func2(%struct.foo* %foo) sanitize_address {
  tail call void @func1(%struct.foo* byref(%struct.foo) align 8 %foo) #2
  ret void
}

declare dso_local void @func1(%struct.foo* byref(%struct.foo) align 8)