maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/llvm/test/Instrumentation/AddressSanitizer/stack-poisoning-and-lifetim...

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

259 lines
9.7 KiB
LLVM
Raw Normal View History

Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; Regular stack poisoning.
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; RUN: opt < %s -asan -asan-module -asan-use-after-scope=0 -S | FileCheck --check-prefixes=CHECK,ENTRY,EXIT %s
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
[asan] Make -asan-experimental-poisoning the only behavior Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25735 llvm-svn: 284505
2016-10-19 02:04:59 +08:00
; Stack poisoning with stack-use-after-scope.
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; RUN: opt < %s -asan -asan-module -asan-use-after-scope=1 -S | FileCheck --check-prefixes=CHECK,ENTRY-UAS,EXIT-UAS %s
[asan] Initialize __asan_set_shadow_* callbacks Summary: Callbacks are not being used yet. PR27453 Reviewers: kcc, eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23634 llvm-svn: 279380
2016-08-21 02:34:39 +08:00
target datalayout = "e-i64:64-f80:128-s:64-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @Foo(i8*)
define void @Bar() uwtable sanitize_address {
entry:
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
%x = alloca [650 x i8], align 16
%xx = getelementptr inbounds [650 x i8], [650 x i8]* %x, i64 0, i64 0
%y = alloca [13 x i8], align 1
%yy = getelementptr inbounds [13 x i8], [13 x i8]* %y, i64 0, i64 0
%z = alloca [40 x i8], align 1
%zz = getelementptr inbounds [40 x i8], [40 x i8]* %z, i64 0, i64 0
; CHECK: [[SHADOW_BASE:%[0-9]+]] = add i64 %{{[0-9]+}}, 2147450880
; F1F1F1F1
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-NEXT: store [[TYPE]] -235802127, [[TYPE]]* [[PTR]], align 1
; 02F2F2F2F2F2F2F2
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-NEXT: store [[TYPE]] -940422246894996990, [[TYPE]]* [[PTR]], align 1
; F2F2F2F2F2F2F2F2
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
; F20005F2F2000000
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-NEXT: store [[TYPE]] 1043442499826, [[TYPE]]* [[PTR]], align 1
; F3F3F3F3
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-NEXT: store [[TYPE]] -202116109, [[TYPE]]* [[PTR]], align 1
; F3
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
; ENTRY-NEXT: store [[TYPE]] -13, [[TYPE]]* [[PTR]], align 1
; F1F1F1F1
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -235802127, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8F8F8...
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F2F2F2F2F2F2F2F2
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 86
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F2F2F2F2F2F2F2F2
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 94
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8F8F2F2F8F8F8F8
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -506381209967593224, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8F3F3F3
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -202116104, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F3F3
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 114
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -3085, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; CHECK-LABEL: %xx = getelementptr inbounds
; CHECK-NEXT: %yy = getelementptr inbounds
; CHECK-NEXT: %zz = getelementptr inbounds
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.start.p0i8(i64 650, i8* %xx)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 0000...
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 81)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 02
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
; ENTRY-UAS-NEXT: store [[TYPE]] 2, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 650, i8* %xx)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
call void @Foo(i8* %xx)
; CHECK-NEXT: call void @Foo(i8* %xx)
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.end.p0i8(i64 650, i8* %xx)
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 650, i8* %xx)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.start.p0i8(i64 13, i8* %yy)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 0005
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
; ENTRY-UAS-NEXT: store [[TYPE]] 1280, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 13, i8* %yy)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
call void @Foo(i8* %yy)
; CHECK-NEXT: call void @Foo(i8* %yy)
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.end.p0i8(i64 13, i8* %yy)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8F8
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -1800, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 13, i8* %yy)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.start.p0i8(i64 40, i8* %zz)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 00000000
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-UAS-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 00
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
; ENTRY-UAS-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 40, i8* %zz)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
call void @Foo(i8* %zz)
; CHECK-NEXT: call void @Foo(i8* %zz)
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
call void @llvm.lifetime.end.p0i8(i64 40, i8* %zz)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8F8F8F8
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -117901064, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; F8
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
; ENTRY-UAS-NEXT: store [[TYPE]] -8, [[TYPE]]* [[PTR]], align 1
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 40, i8* %zz)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
IR: Support parsing numeric block ids, and emit them in textual output. Just as as llvm IR supports explicitly specifying numeric value ids for instructions, and emits them by default in textual output, now do the same for blocks. This is a slightly incompatible change in the textual IR format. Previously, llvm would parse numeric labels as string names. E.g. define void @f() { br label %"55" 55: ret void } defined a label *named* "55", even without needing to be quoted, while the reference required quoting. Now, if you intend a block label which looks like a value number to be a name, you must quote it in the definition too (e.g. `"55":`). Previously, llvm would print nameless blocks only as a comment, and would omit it if there was no predecessor. This could cause confusion for readers of the IR, just as unnamed instructions did prior to the addition of "%5 = " syntax, back in 2008 (PR2480). Now, it will always print a label for an unnamed block, with the exception of the entry block. (IMO it may be better to print it for the entry-block as well. However, that requires updating many more tests.) Thus, the following is supported, and is the canonical printing: define i32 @f(i32, i32) { %3 = add i32 %0, %1 br label %4 4: ret i32 %3 } New test cases covering this behavior are added, and other tests updated as required. Differential Revision: https://reviews.llvm.org/D58548 llvm-svn: 356789
2019-03-23 02:27:13 +08:00
; CHECK: {{^[0-9]+}}:
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; CHECK-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; CHECK-NEXT: call void @__asan_set_shadow_f5(i64 [[OFFSET]], i64 128)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; CHECK-NOT: add i64 [[SHADOW_BASE]]
[asan] Minimize code size by using __asan_set_shadow_* for large blocks Summary: We can insert function call instead of multiple store operation. Current default is blocks larger than 64 bytes. Changes are hidden behind -asan-experimental-poisoning flag. PR27453 Differential Revision: https://reviews.llvm.org/D23711 llvm-svn: 279383
2016-08-21 04:23:50 +08:00
IR: Support parsing numeric block ids, and emit them in textual output. Just as as llvm IR supports explicitly specifying numeric value ids for instructions, and emits them by default in textual output, now do the same for blocks. This is a slightly incompatible change in the textual IR format. Previously, llvm would parse numeric labels as string names. E.g. define void @f() { br label %"55" 55: ret void } defined a label *named* "55", even without needing to be quoted, while the reference required quoting. Now, if you intend a block label which looks like a value number to be a name, you must quote it in the definition too (e.g. `"55":`). Previously, llvm would print nameless blocks only as a comment, and would omit it if there was no predecessor. This could cause confusion for readers of the IR, just as unnamed instructions did prior to the addition of "%5 = " syntax, back in 2008 (PR2480). Now, it will always print a label for an unnamed block, with the exception of the entry block. (IMO it may be better to print it for the entry-block as well. However, that requires updating many more tests.) Thus, the following is supported, and is the canonical printing: define i32 @f(i32, i32) { %3 = add i32 %0, %1 br label %4 4: ret i32 %3 } New test cases covering this behavior are added, and other tests updated as required. Differential Revision: https://reviews.llvm.org/D58548 llvm-svn: 356789
2019-03-23 02:27:13 +08:00
; CHECK: {{^[0-9]+}}:
[asan] Minimize code size by using __asan_set_shadow_* for large blocks Summary: We can insert function call instead of multiple store operation. Current default is blocks larger than 64 bytes. Changes are hidden behind -asan-experimental-poisoning flag. PR27453 Differential Revision: https://reviews.llvm.org/D23711 llvm-svn: 279383
2016-08-21 04:23:50 +08:00
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; 00000000
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 0000000000000000
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 0000000000000000
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 0000000000000000
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 00000000
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 00
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
; 0000...
[asan] Combine check-prefixes in stack-poisoning test Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25736 llvm-svn: 284506
2016-10-19 02:05:04 +08:00
; EXIT-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; EXIT-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 116)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; CHECK-NOT: add i64 [[SHADOW_BASE]]
[asan] Initialize __asan_set_shadow_* callbacks Summary: Callbacks are not being used yet. PR27453 Reviewers: kcc, eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23634 llvm-svn: 279380
2016-08-21 02:34:39 +08:00
ret void
IR: Support parsing numeric block ids, and emit them in textual output. Just as as llvm IR supports explicitly specifying numeric value ids for instructions, and emits them by default in textual output, now do the same for blocks. This is a slightly incompatible change in the textual IR format. Previously, llvm would parse numeric labels as string names. E.g. define void @f() { br label %"55" 55: ret void } defined a label *named* "55", even without needing to be quoted, while the reference required quoting. Now, if you intend a block label which looks like a value number to be a name, you must quote it in the definition too (e.g. `"55":`). Previously, llvm would print nameless blocks only as a comment, and would omit it if there was no predecessor. This could cause confusion for readers of the IR, just as unnamed instructions did prior to the addition of "%5 = " syntax, back in 2008 (PR2480). Now, it will always print a label for an unnamed block, with the exception of the entry block. (IMO it may be better to print it for the entry-block as well. However, that requires updating many more tests.) Thus, the following is supported, and is the canonical printing: define i32 @f(i32, i32) { %3 = add i32 %0, %1 br label %4 4: ret i32 %3 } New test cases covering this behavior are added, and other tests updated as required. Differential Revision: https://reviews.llvm.org/D58548 llvm-svn: 356789
2019-03-23 02:27:13 +08:00
; CHECK: {{^[0-9]+}}:
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
; CHECK: ret void
[asan] Initialize __asan_set_shadow_* callbacks Summary: Callbacks are not being used yet. PR27453 Reviewers: kcc, eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23634 llvm-svn: 279380
2016-08-21 02:34:39 +08:00
}
Asan use-after-scope: don't poison allocas if there were untraced lifetime intrinsics in the function (PR41481) If there are any intrinsics that cannot be traced back to an alloca, we might have missed the start of a variable's scope, leading to false error reports if the variable is poisoned at function entry. Instead, if there are some intrinsics that can't be traced, fail safe and don't poison the variables in that function. Differential revision: https://reviews.llvm.org/D60686 llvm-svn: 358478
2019-04-16 15:54:20 +08:00
declare void @foo(i32*)
define void @PR41481(i1 %b) sanitize_address {
; CHECK-LABEL: @PR41481
entry:
%p1 = alloca i32
%p2 = alloca i32
%q1 = bitcast i32* %p1 to i8*
%q2 = bitcast i32* %p2 to i8*
br label %bb1
; Since we cannot account for all lifetime intrinsics in this function, we
; might have missed a lifetime.start one and therefore shouldn't poison the
; allocas at function entry.
; ENTRY: store i64 -935356719533264399
; ENTRY-UAS: store i64 -935356719533264399
bb1:
%p = select i1 %b, i32* %p1, i32* %p2
%q = select i1 %b, i8* %q1, i8* %q2
call void @llvm.lifetime.start.p0i8(i64 4, i8* %q)
call void @foo(i32* %p)
br i1 %b, label %bb2, label %bb3
bb2:
call void @llvm.lifetime.end.p0i8(i64 4, i8* %q1)
br label %end
bb3:
call void @llvm.lifetime.end.p0i8(i64 4, i8* %q2)
br label %end
end:
ret void
}
Add address space mangling to lifetime intrinsics In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
2017-04-11 04:18:21 +08:00
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
Use store operation to poison allocas for lifetime analysis. Summary: Calling __asan_poison_stack_memory and __asan_unpoison_stack_memory for small variables is too expensive. Code is disabled by default and can be enabled by -asan-experimental-poisoning. PR27453 Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23947 llvm-svn: 279984
2016-08-30 02:17:21 +08:00
[asan] Minimize code size by using __asan_set_shadow_* for large blocks Summary: We can insert function call instead of multiple store operation. Current default is blocks larger than 64 bytes. Changes are hidden behind -asan-experimental-poisoning flag. PR27453 Differential Revision: https://reviews.llvm.org/D23711 llvm-svn: 279383
2016-08-21 04:23:50 +08:00
; CHECK-ON: declare void @__asan_set_shadow_00(i64, i64)
; CHECK-ON: declare void @__asan_set_shadow_f1(i64, i64)
; CHECK-ON: declare void @__asan_set_shadow_f2(i64, i64)
; CHECK-ON: declare void @__asan_set_shadow_f3(i64, i64)
; CHECK-ON: declare void @__asan_set_shadow_f5(i64, i64)
; CHECK-ON: declare void @__asan_set_shadow_f8(i64, i64)
[asan] Initialize __asan_set_shadow_* callbacks Summary: Callbacks are not being used yet. PR27453 Reviewers: kcc, eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23634 llvm-svn: 279380
2016-08-21 02:34:39 +08:00
; CHECK-OFF-NOT: declare void @__asan_set_shadow_