Add tests for loops compiled with debug semantics.

reference/shaders-no-opt/comp/loop-resolve-debug-semantics.g.comp

@@ -0,0 +1,26 @@
+#version 450
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+layout(binding = 0, std430) buffer SSBO
+{
+    int v[];
+} _23;
+
+void main()
+{
+    int i = 0;
+    for (;;)
+    {
+        if (i < 4)
+        {
+            _23.v[i] += 10;
+            i++;
+            continue;
+        }
+        else
+        {
+            break;
+        }
+    }
+}
+

reference/shaders-no-opt/comp/loop-resolve-debug-semantics.gV.comp

@@ -0,0 +1,26 @@
+#version 450
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+layout(binding = 0, std430) buffer SSBO
+{
+    int v[];
+} _64;
+
+void main()
+{
+    int i = 0;
+    for (;;)
+    {
+        if (i < 4)
+        {
+            _64.v[i] += 10;
+            i++;
+            continue;
+        }
+        else
+        {
+            break;
+        }
+    }
+}
+

shaders-no-opt/comp/loop-resolve-debug-semantics.g.comp

@@ -0,0 +1,16 @@
+#version 450
+
+layout(local_size_x = 1) in;
+
+layout(set = 0, binding = 0) buffer SSBO
+{
+	int v[];
+};
+
+void main()
+{
+	for (int i = 0; i < 4; i++)
+	{
+		v[i] += 10;
+	}
+}

shaders-no-opt/comp/loop-resolve-debug-semantics.gV.comp

@@ -0,0 +1,16 @@
+#version 450
+
+layout(local_size_x = 1) in;
+
+layout(set = 0, binding = 0) buffer SSBO
+{
+	int v[];
+};
+
+void main()
+{
+	for (int i = 0; i < 4; i++)
+	{
+		v[i] += 10;
+	}
+}

test_shaders.py

@@ -573,7 +573,12 @@ def cross_compile(shader, vulkan, spirv, invalid_spirv, eliminate, is_legacy, fo
     if spirv:
         subprocess.check_call(spirv_cmd)
     else:
-        subprocess.check_call([paths.glslang, '--amb', '--target-env', glslang_env, '-V', '-o', spirv_path, shader])
+        glslang_cmd = [paths.glslang, '--amb', '--target-env', glslang_env, '-V', '-o', spirv_path, shader]
+        if '.g.' in shader:
+            glslang_cmd.append('-g')
+        if '.gV.' in shader:
+            glslang_cmd.append('-gV')
+        subprocess.check_call(glslang_cmd)
 
     if opt and (not invalid_spirv):
         subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '-o', spirv_path, spirv_path])