File: force_zero.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (16 lines) | stat: -rw-r--r-- 757 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: opt < %s -dfsan -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s -DSHADOW_XOR_MASK=87960930222080
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-pc-linux-gnu"

define i32 @function_to_force_zero(i32 %0, i32* %1) {
  ; CHECK-LABEL: define i32 @function_to_force_zero.dfsan
  ; CHECK: %[[#SHADOW_XOR:]] = xor i64 {{.*}}, [[SHADOW_XOR_MASK]]
  ; CHECK: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_XOR]] to i8*
  ; CHECK: %[[#SHADOW_BITCAST:]] = bitcast i8* %[[#SHADOW_PTR]] to i32*
  ; CHECK: store i32 0, i32* %[[#SHADOW_BITCAST]]
  ; CHECK: store i32 %{{.*}}
  store i32 %0, i32* %1, align 4
  ; CHECK: store i8 0, {{.*}}@__dfsan_retval_tls
  ; CHECK: ret i32
  ret i32 %0
}