25 lines
1.1 KiB
LLVM
25 lines
1.1 KiB
LLVM
; Test -asan-force-dynamic-shadow flag.
|
|
;
|
|
; RUN: opt -asan -asan-module -enable-new-pm=0 -S -asan-force-dynamic-shadow=1 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-FDS
|
|
; RUN: opt -passes='asan-pipeline' -S -asan-force-dynamic-shadow=1 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-FDS
|
|
; RUN: opt -asan -asan-module -enable-new-pm=0 -S -asan-force-dynamic-shadow=0 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NDS
|
|
; RUN: opt -passes='asan-pipeline' -S -asan-force-dynamic-shadow=0 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NDS
|
|
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define i32 @test_load(i32* %a) sanitize_address {
|
|
; First instrumentation in the function must be to load the dynamic shadow
|
|
; address into a local variable.
|
|
; CHECK-LABEL: @test_load
|
|
; CHECK: entry:
|
|
; CHECK-FDS-NEXT: %[[SHADOW:[^ ]*]] = load i64, i64* @__asan_shadow_memory_dynamic_address
|
|
; CHECK-NDS-NOT: __asan_shadow_memory_dynamic_address
|
|
|
|
; Shadow address is loaded and added into the whole offset computation.
|
|
; CHECK-FDS: add i64 %{{.*}}, %[[SHADOW]]
|
|
|
|
entry:
|
|
%tmp1 = load i32, i32* %a, align 4
|
|
ret i32 %tmp1
|
|
}
|