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llvm-for-llvmta/test/Instrumentation/AddressSanitizer/stack-poisoning-and-lifetim...

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2022-04-25 10:02:23 +02:00
; Regular stack poisoning.
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-after-scope=0 -S | FileCheck --check-prefixes=CHECK,ENTRY,EXIT %s
; RUN: opt < %s -passes='asan-pipeline' -asan-use-after-scope=0 -S | FileCheck --check-prefixes=CHECK,ENTRY,EXIT %s
; Stack poisoning with stack-use-after-scope.
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-after-scope=1 -S | FileCheck --check-prefixes=CHECK,ENTRY-UAS,EXIT-UAS %s
; RUN: opt < %s -passes='asan-pipeline' -asan-use-after-scope=1 -S | FileCheck --check-prefixes=CHECK,ENTRY-UAS,EXIT-UAS %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
declare void @Foo(i8*)
define void @Bar() uwtable sanitize_address {
entry:
%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]+}}, 17592186044416
; 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]] 212499257711850226, [[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]] -1008799775530680320, [[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
; 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
; F8F8F8...
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
; F2F2F2F2F2F2F2F2
; 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
; F2F2F2F2F2F2F2F2
; 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
; F8F8F2F2F8F8F8F8
; 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]] -506387832706107144, [[TYPE]]* [[PTR]], align 1
; F8F3F3F3
; 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]] -118230029, [[TYPE]]* [[PTR]], align 1
; F3F3
; 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
; CHECK-LABEL: %xx = getelementptr inbounds
; CHECK-NEXT: %yy = getelementptr inbounds
; CHECK-NEXT: %zz = getelementptr inbounds
call void @llvm.lifetime.start.p0i8(i64 650, i8* %xx)
; 0000...
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 81)
; 02
; 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
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 650, i8* %xx)
call void @Foo(i8* %xx)
; CHECK-NEXT: call void @Foo(i8* %xx)
call void @llvm.lifetime.end.p0i8(i64 650, i8* %xx)
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 650, i8* %xx)
call void @llvm.lifetime.start.p0i8(i64 13, i8* %yy)
; 0005
; 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]] 5, [[TYPE]]* [[PTR]], align 1
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 13, i8* %yy)
call void @Foo(i8* %yy)
; CHECK-NEXT: call void @Foo(i8* %yy)
call void @llvm.lifetime.end.p0i8(i64 13, i8* %yy)
; F8F8
; 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
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 13, i8* %yy)
call void @llvm.lifetime.start.p0i8(i64 40, i8* %zz)
; 00000000
; 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
; 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
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 40, i8* %zz)
call void @Foo(i8* %zz)
; CHECK-NEXT: call void @Foo(i8* %zz)
call void @llvm.lifetime.end.p0i8(i64 40, i8* %zz)
; F8F8F8F8
; 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
; F8
; 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
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 40, i8* %zz)
; CHECK: {{^[0-9]+}}:
; CHECK-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; CHECK-NEXT: call void @__asan_set_shadow_f5(i64 [[OFFSET]], i64 128)
; CHECK-NOT: add i64 [[SHADOW_BASE]]
; CHECK: {{^[0-9]+}}:
; 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...
; EXIT-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
; EXIT-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 116)
; CHECK-NOT: add i64 [[SHADOW_BASE]]
ret void
; CHECK: {{^[0-9]+}}:
; CHECK: ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
; 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)
; CHECK-OFF-NOT: declare void @__asan_set_shadow_