1; Test using dynamic shadow address on darwin 2; 3; RUN: opt -passes=asan -mtriple=arm64_32-apple-watchos --data-layout="e-m:o-p:32:32-i64:64-i128:128-n32:64-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=32 4; RUN: opt -passes=asan -mtriple=armv7k-apple-watchos --data-layout="e-m:o-p:32:32-Fi8-i64:64-a:0:32-n32-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=32 5; RUN: opt -passes=asan -mtriple=arm64-apple-ios --data-layout="e-m:o-i64:64-i128:128-n32:64-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=64 6; RUN: opt -passes=asan -mtriple=armv7s-apple-ios --data-layout="e-m:o-p:32:32-Fi8-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=32 7; RUN: opt -passes=asan -mtriple=i386-apple-watchos-simulator --data-layout="e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=32 8; RUN: opt -passes=asan -mtriple=i386-apple-ios-simulator --data-layout="e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=32 9; RUN: opt -passes=asan -mtriple=x86_64-apple-ios-simulator --data-layout="e-m:o-i64:64-f80:128-n8:16:32:64-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=64 10; 11; // macOS does not use dynamic shadow placement on x86_64 12; RUN: opt -passes=asan -mtriple=x86_64-apple-macosx --data-layout="e-m:o-i64:64-f80:128-n8:16:32:64-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NONDYNAMIC -DPTR_SIZE=64 13; // macOS does use dynamic shadow placement on arm64 14; RUN: opt -passes=asan -mtriple=arm64-apple-macosx --data-layout="e-m:o-i64:64-i128:128-n32:64-S128" -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-DYNAMIC -DPTR_SIZE=64 15 16define i32 @test_load(ptr %a) sanitize_address { 17; First instrumentation in the function must be to load the dynamic shadow 18; address into a local variable. 19; CHECK-LABEL: @test_load 20; CHECK: entry: 21; CHECK-DYNAMIC-NEXT: %[[SHADOW:[^ ]*]] = load i[[PTR_SIZE]], ptr @__asan_shadow_memory_dynamic_address 22; CHECK-NONDYNAMIC-NOT: __asan_shadow_memory_dynamic_address 23 24; Shadow address is loaded and added into the whole offset computation. 25; CHECK-DYNAMIC: add i[[PTR_SIZE]] %{{.*}}, %[[SHADOW]] 26 27entry: 28 %tmp1 = load i32, ptr %a, align 4 29 ret i32 %tmp1 30} 31