forked from OSchip/llvm-project
49 lines
1.3 KiB
LLVM
49 lines
1.3 KiB
LLVM
|
; This test checks that we are not instrumenting direct inbound stack accesses.
|
||
|
|
; RUN: opt < %s -asan -asan-module -asan-opt-stack -S | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
;@sink = global i32* null, align 4
|
||
|
|
|
||
|
|
; Ignore direct inbounds stack access.
|
||
|
|
define void @foo() uwtable sanitize_address {
|
||
|
|
entry:
|
||
|
|
%a = alloca i32, align 4
|
||
|
|
store i32 42, i32* %a, align 4
|
||
|
|
ret void
|
||
|
|
; CHECK-LABEL: define void @foo
|
||
|
|
; CHECK-NOT: __asan_report
|
||
|
|
; CHECK: ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Don't ignore dynamic indexing.
|
||
|
|
define void @baz(i64 %i) sanitize_address {
|
||
|
|
entry:
|
||
|
|
%a = alloca [10 x i32], align 4
|
||
|
|
%e = getelementptr inbounds [10 x i32], [10 x i32]* %a, i32 0, i64 %i
|
||
|
|
store i32 42, i32* %e, align 4
|
||
|
|
ret void
|
||
|
|
; CHECK-LABEL: define void @baz
|
||
|
|
; CHECK: __asan_report
|
||
|
|
; CHECK: ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @bar() sanitize_address {
|
||
|
|
entry:
|
||
|
|
%a = alloca [10 x i32], align 4
|
||
|
|
%e = getelementptr inbounds [10 x i32], [10 x i32]* %a, i32 0, i64 12
|
||
|
|
store i32 42, i32* %e, align 4
|
||
|
|
ret void
|
||
|
|
; CHECK-LABEL: define void @bar
|
||
|
|
; CHECK: __asan_report
|
||
|
|
; CHECK: ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @endoftests() sanitize_address {
|
||
|
|
entry:
|
||
|
|
ret void
|
||
|
|
; CHECK-LABEL: define void @endoftests
|
||
|
|
}
|
||
|
|
|