forked from OSchip/llvm-project
30 lines
1.5 KiB
LLVM
30 lines
1.5 KiB
LLVM
; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
|
|
; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | FileCheck %s -check-prefixes=CHECK,CHECK-ORIGIN
|
|
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"
|
|
|
|
declare noundef i8 @__sanitizer_unaligned_load8(i8* noundef)
|
|
declare void @__sanitizer_unaligned_store8(i8* noundef, i8 noundef)
|
|
|
|
define noundef i8 @unaligned_load(i8* noundef %ptr) sanitize_memory {
|
|
; CHECK: @unaligned_load(i8* {{.*}}[[PTR:%.+]])
|
|
; CHECK: store i64 0, {{.*}} @__msan_param_tls
|
|
; CHECK: [[VAL:%.*]] = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef [[PTR]])
|
|
%val = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef %ptr)
|
|
; CHECK: load {{.*}} @__msan_retval_tls
|
|
; CHECK-ORIGIN: load {{.*}} @__msan_retval_origin_tls
|
|
; CHECK: call void @__msan_warning_{{.*}}noreturn
|
|
; CHECK: ret i8 [[VAL]]
|
|
ret i8 %val
|
|
}
|
|
|
|
define void @unaligned_store(i8* noundef %ptr, i8 noundef %val) sanitize_memory {
|
|
; CHECK: @unaligned_store(i8* {{.*}}[[PTR:%.+]], i8 {{.*}}[[VAL:%.+]])
|
|
; CHECK: store i64 0, {{.*}} @__msan_param_tls
|
|
; CHECK: store i8 0, {{.*}} @__msan_param_tls
|
|
; CHECK: call void @__sanitizer_unaligned_store8(i8* noundef [[PTR]], i8 noundef [[VAL]])
|
|
call void @__sanitizer_unaligned_store8(i8* noundef %ptr, i8 noundef %val)
|
|
; CHECK: ret void
|
|
ret void
|
|
}
|