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"
target triple = "x86_64-unknown-linux-gnu"
-define i32 @test_load(i32* %a) address_safety {
+define i32 @test_load(i32* %a) sanitize_address {
; CHECK: @test_load
; CHECK-NOT: load
; CHECK: %[[LOAD_ADDR:[^ ]*]] = ptrtoint i32* %a to i64
; CHECK: lshr i64 %[[LOAD_ADDR]], 3
-; CHECK: or i64
+; CHECK: {{or|add}}
; CHECK: %[[LOAD_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[LOAD_SHADOW:[^ ]*]] = load i8* %[[LOAD_SHADOW_PTR]]
; CHECK: icmp ne i8
ret i32 %tmp1
}
-define void @test_store(i32* %a) address_safety {
+define void @test_store(i32* %a) sanitize_address {
; CHECK: @test_store
; CHECK-NOT: store
; CHECK: %[[STORE_ADDR:[^ ]*]] = ptrtoint i32* %a to i64
; CHECK: lshr i64 %[[STORE_ADDR]], 3
-; CHECK: or i64
+; CHECK: {{or|add}}
; CHECK: %[[STORE_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[STORE_SHADOW:[^ ]*]] = load i8* %[[STORE_SHADOW_PTR]]
; CHECK: icmp ne i8
; Check that asan leaves just one alloca.
declare void @alloca_test_use([10 x i8]*)
-define void @alloca_test() address_safety {
+define void @alloca_test() sanitize_address {
entry:
%x = alloca [10 x i8], align 1
%y = alloca [10 x i8], align 1
; CHECK-NOT: = alloca
; CHECK: ret void
+; Check that asan does not touch allocas with alignment > 32.
+define void @alloca_alignment_test() sanitize_address {
+entry:
+ %x = alloca [10 x i8], align 64
+ %y = alloca [10 x i8], align 128
+ %z = alloca [10 x i8], align 256
+ call void @alloca_test_use([10 x i8]* %x)
+ call void @alloca_test_use([10 x i8]* %y)
+ call void @alloca_test_use([10 x i8]* %z)
+ ret void
+}
+
+; CHECK: define void @alloca_alignment_test()
+; CHECK: = alloca{{.*}} align 64
+; CHECK: = alloca{{.*}} align 128
+; CHECK: = alloca{{.*}} align 256
+; CHECK: ret void
+
+
+define void @LongDoubleTest(x86_fp80* nocapture %a) nounwind uwtable sanitize_address {
+entry:
+ store x86_fp80 0xK3FFF8000000000000000, x86_fp80* %a, align 16
+ ret void
+}
+
+; CHECK: LongDoubleTest
+; CHECK: __asan_report_store_n
+; CHECK: __asan_report_store_n
+; CHECK: ret void
+
+
+define void @i40test(i40* %a, i40* %b) nounwind uwtable sanitize_address {
+ entry:
+ %t = load i40* %a
+ store i40 %t, i40* %b, align 8
+ ret void
+}
+
+; CHECK: i40test
+; CHECK: __asan_report_load_n{{.*}}, i64 5)
+; CHECK: __asan_report_load_n{{.*}}, i64 5)
+; CHECK: __asan_report_store_n{{.*}}, i64 5)
+; CHECK: __asan_report_store_n{{.*}}, i64 5)
+; CHECK: ret void
+
+define void @i80test(i80* %a, i80* %b) nounwind uwtable sanitize_address {
+ entry:
+ %t = load i80* %a
+ store i80 %t, i80* %b, align 8
+ ret void
+}
+
+; CHECK: i80test
+; CHECK: __asan_report_load_n{{.*}}, i64 10)
+; CHECK: __asan_report_load_n{{.*}}, i64 10)
+; CHECK: __asan_report_store_n{{.*}}, i64 10)
+; CHECK: __asan_report_store_n{{.*}}, i64 10)
+; CHECK: ret void
+
+; asan should not instrument functions with available_externally linkage.
+define available_externally i32 @f_available_externally(i32* %a) sanitize_address {
+entry:
+ %tmp1 = load i32* %a
+ ret i32 %tmp1
+}
+; CHECK: @f_available_externally
+; CHECK-NOT: __asan_report
+; CHECK: ret i32
+
+