[llvm-branch-commits] [clang] [AllocToken, Clang] Implement TypeHashPointerSplit mode (PR #156840)

[Hans Wennborg via llvm-branch-commits]

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@@ -0,0 +1,177 @@
+// Check -fsanitize=alloc-token TypeHashPointerSplit mode with only 2
+// tokens so we effectively only test the contains-pointer logic.
+//
+// RUN: %clang_cc1    -fsanitize=alloc-token -falloc-token-max=2 -triple x86_64-linux-gnu -std=c++20 -emit-llvm %s -o - | FileCheck %s
+// RUN: %clang_cc1 -O -fsanitize=alloc-token -falloc-token-max=2 -triple x86_64-linux-gnu -std=c++20 -emit-llvm %s -o - | FileCheck %s
+
+#include "../Analysis/Inputs/system-header-simulator-cxx.h"
+
+typedef __UINTPTR_TYPE__ uintptr_t;
+
+extern "C" {
+void *malloc(size_t size);
+}
+
+// CHECK-LABEL: @_Z15test_malloc_intv(
+void *test_malloc_int() {
+  // CHECK: call{{.*}} ptr @__alloc_token_malloc(i64 noundef 4, i64 0)
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zmodem wrote:

As mentioned in the previous PR, I'd kind of expect to see the metadata nodes here, not the rewritten calls.

https://github.com/llvm/llvm-project/pull/156840