Fix a parser error of GL_KHR_memory_scope_semantics

Test/baseResults/spv.memoryScopeSemantics.comp.out

 spv.memoryScopeSemantics.comp
 // Module Version 10300
 // Generated by (magic number): 80008
-// Id's are bound by 163
+// Id's are bound by 167
 
                               Capability Shader
                               Capability Int64
                               Capability Int64Atomics
+                              Capability StorageImageMultisample
                               Capability VulkanMemoryModelKHR
                               Capability VulkanMemoryModelDeviceScopeKHR
                               Extension  "SPV_KHR_vulkan_memory_model"
@@ -49,6 +50,7 @@ spv.memoryScopeSemantics.comp
                               Name 151  "BufferM"
                               MemberName 151(BufferM) 0  "x"
                               Name 153  "bufferm"
+                              Name 165  "imageMS"
                               Decorate 36(imagei) DescriptorSet 0
                               Decorate 36(imagei) Binding 1
                               Decorate 46(imageu) DescriptorSet 0
@@ -83,6 +85,8 @@ spv.memoryScopeSemantics.comp
                               Decorate 151(BufferM) Block
                               Decorate 153(bufferm) DescriptorSet 0
                               Decorate 153(bufferm) Binding 9
+                              Decorate 165(imageMS) DescriptorSet 0
+                              Decorate 165(imageMS) Binding 10
                2:             TypeVoid
                3:             TypeFunction 2
                6:             TypeInt 32 1
@@ -174,6 +178,9 @@ spv.memoryScopeSemantics.comp
              152:             TypePointer StorageBuffer 151(BufferM)
     153(bufferm):    152(ptr) Variable StorageBuffer
              161:      6(int) Constant 32768
+             163:             TypeImage 6(int) 2D multi-sampled nonsampled format:R32i
+             164:             TypePointer UniformConstant 163
+    165(imageMS):    164(ptr) Variable UniformConstant
          4(main):           2 Function None 3
                5:             Label
         8(origi):      7(ptr) Variable Function
@@ -271,5 +278,7 @@ spv.memoryScopeSemantics.comp
              159:     15(int) AtomicIAdd 158 12 17 51
              160:     69(ptr) AccessChain 68(bufferu) 38
              162:     15(int) AtomicIAdd 160 12 42 16
+             166:     40(ptr) ImageTexelPointer 165(imageMS) 39 12
+                              AtomicStore 166 12 33 14
                               Return
                               FunctionEnd

Test/spv.memoryScopeSemantics.comp

@@ -20,6 +20,7 @@ shared uint64_t atomu64;
 shared int64_t atomi64;
 layout (binding = 8) volatile buffer BufferL { uint x; } bufferl;
 layout (binding = 9) buffer BufferM { volatile uint x; } bufferm;
+layout(binding = 10, r32i) volatile coherent uniform iimage2DMS imageMS;
 
 
 void main()
@@ -66,5 +67,7 @@ void main()
     imageAtomicAdd(imagei, ivec2(0,0), 3);
     atomicAdd(bufferu.x, 4u, gl_ScopeDevice, 0, 0);
     atomicAdd(bufferu.x, 5u, gl_ScopeDevice, 0, gl_SemanticsVolatile);
+
+    imageAtomicStore(imageMS, ivec2(0,0), 1, 4, gl_ScopeDevice, gl_StorageSemanticsBuffer, gl_SemanticsRelease);
 }
 

glslang/MachineIndependent/ParseHelper.cpp

@@ -1672,6 +1672,9 @@ void TParseContext::memorySemanticsCheck(const TSourceLoc& loc, const TFunction&
     unsigned int semantics = 0, storageClassSemantics = 0;
     unsigned int semantics2 = 0, storageClassSemantics2 = 0;
 
+    const TIntermTyped* arg0 = (*argp)[0]->getAsTyped();
+    const bool isMS = arg0->getBasicType() == EbtSampler && arg0->getType().getSampler().isMultiSample();
+
     // Grab the semantics and storage class semantics from the operands, based on opcode
     switch (callNode.getOp()) {
     case EOpAtomicAdd:
@@ -1704,18 +1707,18 @@ void TParseContext::memorySemanticsCheck(const TSourceLoc& loc, const TFunction&
     case EOpImageAtomicXor:
     case EOpImageAtomicExchange:
     case EOpImageAtomicStore:
-        storageClassSemantics = (*argp)[4]->getAsConstantUnion()->getConstArray()[0].getIConst();
-        semantics = (*argp)[5]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        storageClassSemantics = (*argp)[isMS ? 5 : 4]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        semantics = (*argp)[isMS ? 6 : 5]->getAsConstantUnion()->getConstArray()[0].getIConst();
         break;
     case EOpImageAtomicLoad:
-        storageClassSemantics = (*argp)[3]->getAsConstantUnion()->getConstArray()[0].getIConst();
-        semantics = (*argp)[4]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        storageClassSemantics = (*argp)[isMS ? 4 : 3]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        semantics = (*argp)[isMS ? 5 : 4]->getAsConstantUnion()->getConstArray()[0].getIConst();
         break;
     case EOpImageAtomicCompSwap:
-        storageClassSemantics = (*argp)[5]->getAsConstantUnion()->getConstArray()[0].getIConst();
-        semantics = (*argp)[6]->getAsConstantUnion()->getConstArray()[0].getIConst();
-        storageClassSemantics2 = (*argp)[7]->getAsConstantUnion()->getConstArray()[0].getIConst();
-        semantics2 = (*argp)[8]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        storageClassSemantics = (*argp)[isMS ? 6 : 5]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        semantics = (*argp)[isMS ? 7 : 6]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        storageClassSemantics2 = (*argp)[isMS ? 8 : 7]->getAsConstantUnion()->getConstArray()[0].getIConst();
+        semantics2 = (*argp)[isMS ? 9 : 8]->getAsConstantUnion()->getConstArray()[0].getIConst();
         break;
 
     case EOpBarrier: