File: stack-guard-reassign.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-2
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 2,245,044 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,666; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (24 lines) | stat: -rw-r--r-- 801 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
define i32 @fn(ptr %str) #0 {
entry:
  %str.addr = alloca ptr, align 4
  %buffer = alloca [65536 x i8], align 1
  store ptr %str, ptr %str.addr, align 4
  %arraydecay = getelementptr inbounds [65536 x i8], ptr %buffer, i32 0, i32 0
  %0 = load ptr, ptr %str.addr, align 4
  %call = call ptr @strcpy(ptr %arraydecay, ptr %0)
  %arraydecay1 = getelementptr inbounds [65536 x i8], ptr %buffer, i32 0, i32 0
  %call2 = call i32 @puts(ptr %arraydecay1)
  %arrayidx = getelementptr inbounds [65536 x i8], ptr %buffer, i32 0, i32 65535
  %1 = load i8, ptr %arrayidx, align 1
  %conv = zext i8 %1 to i32
  ret i32 %conv
}

declare ptr @strcpy(ptr, ptr)

declare i32 @puts(ptr)

attributes #0 = { noinline nounwind optnone ssp }

!llvm.module.flags = !{!0}
!0 = !{i32 7, !"direct-access-external-data", i32 1}