223 lines
8.3 KiB
LLVM
223 lines
8.3 KiB
LLVM
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; Regular stack poisoning.
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; RUN: opt < %s -passes=asan -asan-use-after-scope=0 -S | FileCheck --check-prefixes=CHECK,ENTRY,EXIT %s
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; Stack poisoning with stack-use-after-scope.
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; RUN: opt < %s -passes=asan -asan-use-after-scope=1 -S | FileCheck --check-prefixes=CHECK,ENTRY-UAS,EXIT-UAS %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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declare void @Foo(ptr)
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define void @Bar() uwtable sanitize_address {
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entry:
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%x = alloca [650 x i8], align 16
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%xx = getelementptr inbounds [650 x i8], ptr %x, i64 0, i64 0
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%y = alloca [13 x i8], align 1
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%yy = getelementptr inbounds [13 x i8], ptr %y, i64 0, i64 0
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%z = alloca [40 x i8], align 1
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%zz = getelementptr inbounds [40 x i8], ptr %z, i64 0, i64 0
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; CHECK: [[SHADOW_BASE:%[0-9]+]] = add i64 %{{[0-9]+}}, 17592186044416
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; F1F1F1F1
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i32 -235802127, ptr [[PTR]], align 1
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; 02F2F2F2F2F2F2F2
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i64 212499257711850226, ptr [[PTR]], align 1
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; F2F2F2F2F2F2F2F2
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i64 -940422246894996750, ptr [[PTR]], align 1
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; F20005F2F2000000
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i64 -1008799775530680320, ptr [[PTR]], align 1
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; F3F3F3F3
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i32 -202116109, ptr [[PTR]], align 1
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; F3
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; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
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; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-NEXT: store i8 -13, ptr [[PTR]], align 1
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; F1F1F1F1
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i32 -235802127, ptr [[PTR]], align 1
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; F8F8F8...
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
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; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
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; F2F2F2F2F2F2F2F2
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 86
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i64 -940422246894996750, ptr [[PTR]], align 1
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; F2F2F2F2F2F2F2F2
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 94
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i64 -940422246894996750, ptr [[PTR]], align 1
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; F8F8F2F2F8F8F8F8
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i64 -506387832706107144, ptr [[PTR]], align 1
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; F8F3F3F3
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i32 -118230029, ptr [[PTR]], align 1
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; F3F3
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 114
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i16 -3085, ptr [[PTR]], align 1
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; CHECK-LABEL: %xx = getelementptr inbounds
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; CHECK-NEXT: %yy = getelementptr inbounds
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; CHECK-NEXT: %zz = getelementptr inbounds
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call void @llvm.lifetime.start.p0(i64 650, ptr %xx)
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; 0000...
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
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; ENTRY-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 81)
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; 02
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i8 2, ptr [[PTR]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 650, ptr %xx)
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call void @Foo(ptr %xx)
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; CHECK-NEXT: call void @Foo(ptr %xx)
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call void @llvm.lifetime.end.p0(i64 650, ptr %xx)
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
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; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 650, ptr %xx)
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call void @llvm.lifetime.start.p0(i64 13, ptr %yy)
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; 0005
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i16 5, ptr [[PTR]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 13, ptr %yy)
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call void @Foo(ptr %yy)
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; CHECK-NEXT: call void @Foo(ptr %yy)
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call void @llvm.lifetime.end.p0(i64 13, ptr %yy)
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; F8F8
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i16 -1800, ptr [[PTR]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 13, ptr %yy)
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call void @llvm.lifetime.start.p0(i64 40, ptr %zz)
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; 00000000
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i32 0, ptr [[PTR]], align 1
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; 00
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i8 0, ptr [[PTR]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 40, ptr %zz)
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call void @Foo(ptr %zz)
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; CHECK-NEXT: call void @Foo(ptr %zz)
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call void @llvm.lifetime.end.p0(i64 40, ptr %zz)
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; F8F8F8F8
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i32 -117901064, ptr [[PTR]], align 1
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; F8
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; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
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; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; ENTRY-UAS-NEXT: store i8 -8, ptr [[PTR]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 40, ptr %zz)
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; CHECK: {{^[0-9]+}}:
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; CHECK-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
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; CHECK-NEXT: call void @__asan_set_shadow_f5(i64 [[OFFSET]], i64 128)
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; CHECK-NOT: add i64 [[SHADOW_BASE]]
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; CHECK: {{^[0-9]+}}:
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; 00000000
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i32 0, ptr [[PTR]], align 1
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; 0000000000000000
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i64 0, ptr [[PTR]], align 1
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; 0000000000000000
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i64 0, ptr [[PTR]], align 1
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; 0000000000000000
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i64 0, ptr [[PTR]], align 1
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; 00000000
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i32 0, ptr [[PTR]], align 1
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; 00
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; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
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; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to ptr
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; EXIT-NEXT: store i8 0, ptr [[PTR]], align 1
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; 0000...
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; EXIT-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
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; EXIT-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 116)
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; CHECK-NOT: add i64 [[SHADOW_BASE]]
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ret void
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; CHECK: {{^[0-9]+}}:
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; CHECK: ret void
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}
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declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
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declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
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; CHECK-ON: declare void @__asan_set_shadow_00(i64, i64)
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; CHECK-ON: declare void @__asan_set_shadow_f1(i64, i64)
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; CHECK-ON: declare void @__asan_set_shadow_f2(i64, i64)
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; CHECK-ON: declare void @__asan_set_shadow_f3(i64, i64)
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; CHECK-ON: declare void @__asan_set_shadow_f5(i64, i64)
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; CHECK-ON: declare void @__asan_set_shadow_f8(i64, i64)
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; CHECK-OFF-NOT: declare void @__asan_set_shadow_
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