From f875d3f5ba9c1ddc6aa9a0960efd5ab27ae4e4c9 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 9 Aug 2023 20:11:09 -0700
Subject: Support implciit casted swizzled lvalue. (#3077)

* Support implciit casted swizzled lvalue.

* Fix warnings.

* Fix.

* fix comment.

* Prefer mangled linkage name for global params.

* Update tests.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 tests/bugs/gh-3075.slang                    | 15 +++++++++++++++
 tests/bugs/gh-3075.slang.expected.txt       |  2 ++
 tests/bugs/implicit-cast.slang              | 18 ++++++++++++++++++
 tests/bugs/implicit-cast.slang.expected.txt |  1 +
 4 files changed, 36 insertions(+)
 create mode 100644 tests/bugs/gh-3075.slang
 create mode 100644 tests/bugs/gh-3075.slang.expected.txt
 create mode 100644 tests/bugs/implicit-cast.slang
 create mode 100644 tests/bugs/implicit-cast.slang.expected.txt

(limited to 'tests/bugs')

diff --git a/tests/bugs/gh-3075.slang b/tests/bugs/gh-3075.slang
new file mode 100644
index 000000000..098d5b9ac
--- /dev/null
+++ b/tests/bugs/gh-3075.slang
@@ -0,0 +1,15 @@
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile sm_6_0 -use-dxil -output-using-type
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx11 -profile sm_5_0 -output-using-type
+
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute  -output-using-type
+//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=outputBuffer
+
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
+{
+    uint3 vLookup = 3;
+    vLookup.yx += int2(1, 2); // calling += (inout int2, int2).
+    outputBuffer[dispatchThreadID.x] = vLookup.x; // expect 5
+}
diff --git a/tests/bugs/gh-3075.slang.expected.txt b/tests/bugs/gh-3075.slang.expected.txt
new file mode 100644
index 000000000..65942e5f5
--- /dev/null
+++ b/tests/bugs/gh-3075.slang.expected.txt
@@ -0,0 +1,2 @@
+type: int32_t
+5
\ No newline at end of file
diff --git a/tests/bugs/implicit-cast.slang b/tests/bugs/implicit-cast.slang
new file mode 100644
index 000000000..2ee62cc87
--- /dev/null
+++ b/tests/bugs/implicit-cast.slang
@@ -0,0 +1,18 @@
+//TEST(compute):COMPARE_COMPUTE:-vk -shaderobj
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name gBuffer
+RWStructuredBuffer<int> gBuffer;
+
+int getX(int4 v) { return v.x; }
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 tid: SV_DispatchThreadID, uint GI: SV_GroupIndex)
+{
+    if (GI< 1)
+    {
+        uint LdsCoord = GI;
+        uint a = gBuffer[LdsCoord];
+        LdsCoord += 1;
+        gBuffer[LdsCoord] = 1;
+    }
+}
diff --git a/tests/bugs/implicit-cast.slang.expected.txt b/tests/bugs/implicit-cast.slang.expected.txt
new file mode 100644
index 000000000..d8263ee98
--- /dev/null
+++ b/tests/bugs/implicit-cast.slang.expected.txt
@@ -0,0 +1 @@
+2
\ No newline at end of file
-- 
cgit v1.2.3