File: alloca-compat.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (17 lines) | stat: -rw-r--r-- 569 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; 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
}