From 2ee898109006986250d5356a59003eb741a89ca4 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 16 Oct 2024 09:54:43 -0700
Subject: Fix spirv debug info for pointer types. (#5319)

* Fix spirv debug info for pointer types.

* fix comment.
---
 tests/spirv/debug-type-pointer-2.slang | 24 ++++++++++++++++++++++++
 tests/spirv/debug-type-pointer.slang   |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 tests/spirv/debug-type-pointer-2.slang

(limited to 'tests/spirv')

diff --git a/tests/spirv/debug-type-pointer-2.slang b/tests/spirv/debug-type-pointer-2.slang
new file mode 100644
index 000000000..4112d4905
--- /dev/null
+++ b/tests/spirv/debug-type-pointer-2.slang
@@ -0,0 +1,24 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv
+
+// Check that we do not emit forward reference for debug pointer types if there isn't a need to do so.
+
+// CHECK-NOT: OpExtension "SPV_KHR_relaxed_extended_instruction"
+struct T
+{
+    uint inner;
+}
+
+struct Problem
+{
+    int getVal() { return some_bda_ptr->inner;}
+    T *some_bda_ptr;
+}
+
+uniform Problem probs;
+
+RWStructuredBuffer<float4> outputBuffer;
+[shader("compute")]
+float4 main()
+{
+    outputBuffer[0] = float(probs.getVal());
+}
\ No newline at end of file
diff --git a/tests/spirv/debug-type-pointer.slang b/tests/spirv/debug-type-pointer.slang
index fd3248c59..f6add1735 100644
--- a/tests/spirv/debug-type-pointer.slang
+++ b/tests/spirv/debug-type-pointer.slang
@@ -9,7 +9,7 @@ RWStructuredBuffer<float> outputBuffer;
 //SPV:OpExtension "SPV_KHR_relaxed_extended_instruction"
 //SPV: [[STRING_float:%[1-9][0-9]*]] = OpString "float"
 //SPV: [[STRING_pValue:%[1-9][0-9]*]] = OpString "pValue"
-//SPV: [[STRING_LinkedNode:%[1-9][0-9]*]] = OpString "LinkedNode"
+//SPV: [[STRING_LinkedNode:%[1-9][0-9]*]] = OpString "LinkedNode{{.*}}"
 //SPV: [[STRING_pNext:%[1-9][0-9]*]] = OpString "pNext"
 
 struct LinkedNode
-- 
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