Default access qualifier for OpTypeImage (KhronosGroup#193)

lib/SPIRV/SPIRVReader.cpp

@@ -669,7 +669,9 @@ SPIRVToLLVM::transOCLSampledImageTypeName(SPIRV::SPIRVTypeSampledImage* ST) {
     getSPIRVImageTypePostfixes(getSPIRVImageSampledTypeName(
       ST->getImageType()->getSampledType()),
       ST->getImageType()->getDescriptor(),
-      ST->getImageType()->getAccessQualifier()));
+      ST->getImageType()->hasAccessQualifier() ?
+        ST->getImageType()->getAccessQualifier() :
+        AccessQualifierReadOnly));
 }
 
 std::string
@@ -2313,7 +2315,8 @@ SPIRVToLLVM::transFPContractMetadata() {
 
 std::string SPIRVToLLVM::transOCLImageTypeAccessQualifier(
     SPIRV::SPIRVTypeImage* ST) {
-  return SPIRSPIRVAccessQualifierMap::rmap(ST->getAccessQualifier());
+  return SPIRSPIRVAccessQualifierMap::rmap(ST->hasAccessQualifier() ?
+      ST->getAccessQualifier() : AccessQualifierReadOnly);
 }
 
 bool

test/SPIRV/image_without_access_qualifier.spt

@@ -0,0 +1,72 @@
+119734787 65536 393230 34 0 
+2 Capability Addresses 
+2 Capability Linkage 
+2 Capability Kernel 
+2 Capability Int64 
+2 Capability ImageBasic 
+5 ExtInstImport 1 "OpenCL.std"
+3 MemoryModel 2 2 
+6 EntryPoint 6 13 "image_test"
+3 Source 3 200000 
+11 Name 5 "__spirv_BuiltInGlobalInvocationId"
+4 Name 14 "srcImg"
+4 Name 15 "samp"
+4 Name 16 "result"
+4 Name 17 "entry"
+4 Name 19 "call"
+4 Name 21 "call1"
+4 Name 22 "conv"
+4 Name 25 "vecinit"
+4 Name 26 "conv2"
+5 Name 27 "vecinit3"
+7 Name 29 "TempSampledImage"
+5 Name 30 "call4.old"
+5 Name 33 "arrayidx"
+4 Decorate 5 BuiltIn 28 
+3 Decorate 5 Constant 
+13 Decorate 5 LinkageAttributes "__spirv_BuiltInGlobalInvocationId" Import 
+4 TypeInt 2 64 0 
+4 TypeInt 9 32 0 
+4 TypeVector 3 2 3 
+4 TypePointer 4 0 3 
+2 TypeVoid 6 
+9 TypeImage 7 6 1 0 0 0 0 0 
+2 TypeSampler 8 
+4 TypeVector 10 9 4 
+4 TypePointer 11 5 10 
+6 TypeFunction 12 6 7 8 11 
+4 TypeVector 23 9 2 
+3 TypeSampledImage 28 7 
+3 TypeFloat 31 32 
+4 Variable 4 5 0 
+3 Undef 23 24 
+4 Constant 31 32 0 
+
+5 Function 6 13 0 12 
+3 FunctionParameter 7 14 
+3 FunctionParameter 8 15 
+3 FunctionParameter 11 16 
+
+2 Label 17 
+4 Load 3 18 5 
+5 CompositeExtract 2 19 18 0 
+4 Load 3 20 5 
+5 CompositeExtract 2 21 20 1 
+4 UConvert 9 22 19 
+6 CompositeInsert 23 25 22 24 0 
+4 UConvert 9 26 21 
+6 CompositeInsert 23 27 26 25 1 
+5 SampledImage 28 29 14 15 
+7 ImageSampleExplicitLod 10 30 29 27 2 32 
+5 InBoundsPtrAccessChain 11 33 16 19 
+5 Store 33 30 2 16 
+1 Return 
+
+1 FunctionEnd 
+
+; RUN: llvm-spirv %s -to-binary -o %t.spv
+; RUN: llvm-spirv -r %t.spv -o %t.bc
+; RUN: llvm-dis < %t.bc | FileCheck %s --check-prefix=CHECK-LLVM
+
+; CHECK-LLVM: %opencl.image2d_t = type opaque
+; CHECK-LLVM: !{{[0-9]*}} = !{!"kernel_arg_access_qual", !"read_only", !"none", !"none"}