File: gep-tracing.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (40 lines) | stat: -rw-r--r-- 1,326 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
; Test -sanitizer-coverage-trace-geps=1
; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-trace-geps=1  -S | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

define void @gep_1(i32* nocapture %a, i32 %i)  {
entry:
  %idxprom = sext i32 %i to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 0, i32* %arrayidx, align 4
  ret void
}

; CHECK-LABEL: define void @gep_1(i32* nocapture %a, i32 %i)
; CHECK:   call void @__sanitizer_cov_trace_gep(i64 %idxprom)
; CHECK: ret void


define void @gep_2([1000 x i32]* nocapture %a, i32 %i, i32 %j) {
entry:
  %idxprom = sext i32 %j to i64
  %idxprom1 = sext i32 %i to i64
  %arrayidx2 = getelementptr inbounds [1000 x i32], [1000 x i32]* %a, i64 %idxprom1, i64 %idxprom
  store i32 0, i32* %arrayidx2, align 4
  ret void
}

; CHECK-LABEL: define void @gep_2([1000 x i32]* nocapture %a, i32 %i, i32 %j)
; CHECK: call void @__sanitizer_cov_trace_gep(i64 %idxprom1)
; CHECK: call void @__sanitizer_cov_trace_gep(i64 %idxprom)
; CHECK: ret void

; Just make sure we don't insturment this one and don't crash
define void @gep_3(<2 x i8*> %a, i32 %i, i32 %j) {
entry:
  %0 = getelementptr i8, <2 x i8*> %a, <2 x i64> <i64 8, i64 8>
  ret void
}