Add `target_switch` and `intrinsic_asm` statement. (#3154)

* Add `target_switch` and `__intrinsic_asm` statement.

* Cleanup.

* WaveGetActiveMask, WaveGetActiveMask, WaveCountBits.

* WaveIsFirstLane.

* More wave intrinsics.

* wave intrinsics.

* merge fix.

* Fix.

* Fix.

* Update test.

* update test.

* Fix.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp
index e40a5ceca..3cde9f467 100644
--- a/source/slang/slang-emit-glsl.cpp
+++ b/source/slang/slang-emit-glsl.cpp
@@ -2474,9 +2474,10 @@ void GLSLSourceEmitter::emitSimpleTypeImpl(IRType* type)
     }
 
     auto decorated = getResolvedInstForDecorations(type);
-    if(auto targetIntrinsicDecor = findBestTargetIntrinsicDecoration(decorated))
+    UnownedStringSlice intrinsicDef;
+    if (findTargetIntrinsicDefinition(decorated, intrinsicDef))
     {
-        m_writer->emit(targetIntrinsicDecor->getDefinition());
+        m_writer->emit(intrinsicDef);
         return;
     }