From a6032446c6bf7f64d1e201bf438a4c7605a3dbb4 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 15 Sep 2022 14:22:59 -0700
Subject: Language feature: pointer sized int types. (#2401)

* Language feature: pointer sized int types.

* Fix.

* small change to test.

* Fix stdlib.

* Fix.

* Fix.

* Add typedef for `size_t` in stdlib.

* Fix test.

* Add `intptr_t::size` constant.

Co-authored-by: Yong He <yhe@nvidia.com>
---
 tests/language-feature/types/intptr.slang          | 37 ++++++++++++++++++++++
 .../types/intptr.slang.expected.txt                |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 tests/language-feature/types/intptr.slang
 create mode 100644 tests/language-feature/types/intptr.slang.expected.txt

(limited to 'tests/language-feature')

diff --git a/tests/language-feature/types/intptr.slang b/tests/language-feature/types/intptr.slang
new file mode 100644
index 000000000..ea626adad
--- /dev/null
+++ b/tests/language-feature/types/intptr.slang
@@ -0,0 +1,37 @@
+// intptr.slang
+
+// Test pointer-sized integer types.
+
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -cpu -compute
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+__target_intrinsic(cpp, "sizeof(intptr_t)")
+intptr_t getNativeIntPtrSize();
+
+__generic<T>
+__target_intrinsic(cpp, "sizeof($0)")
+intptr_t getSizeOf(T val);
+
+intptr_t getIntPtrVal() { return 0z; }
+
+[numthreads(1, 1, 1)]
+void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
+{
+    let expectedSize = getNativeIntPtrSize();
+    intptr_t a = 0z;
+    var actualSize = getSizeOf(getIntPtrVal());
+    int testResult = 1;
+    if (expectedSize != actualSize)
+    {
+        testResult = 0;
+    }
+    uintptr_t b = 0uz;
+    actualSize = getSizeOf(b);
+    if (expectedSize != actualSize)
+    {
+        testResult = 0;
+    }
+    outputBuffer[dispatchThreadID.x] = testResult;
+}
diff --git a/tests/language-feature/types/intptr.slang.expected.txt b/tests/language-feature/types/intptr.slang.expected.txt
new file mode 100644
index 000000000..56a6051ca
--- /dev/null
+++ b/tests/language-feature/types/intptr.slang.expected.txt
@@ -0,0 +1 @@
+1
\ No newline at end of file
-- 
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