; 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_