Deprecate SPV_INTEL_non_constant_addrspace_printf extension (intel#1818)

This change continues intel#1749.
We are removing SPV_INTEL_non_constant_addrspace_printf extension in
favor of SPV_EXT_relaxed_printf_string_address_space, which are
basically the same.

Original commit:
KhronosGroup/SPIRV-LLVM-Translator@ac7a759

Author: vmaksimo

llvm-spirv/include/LLVMSPIRVExtensions.inc

@@ -51,7 +51,6 @@ EXT(SPV_INTEL_bfloat16_conversion)
 EXT(SPV_INTEL_joint_matrix)
 EXT(SPV_INTEL_hw_thread_queries)
 EXT(SPV_INTEL_global_variable_decorations)
-EXT(SPV_INTEL_non_constant_addrspace_printf)
 EXT(SPV_INTEL_complex_float_mul_div)
 EXT(SPV_INTEL_split_barrier)
 EXT(SPV_INTEL_masked_gather_scatter)

llvm-spirv/lib/SPIRV/SPIRVWriter.cpp

@@ -4253,26 +4253,18 @@ SPIRVValue *LLVMToSPIRVBase::transDirectCallInst(CallInst *CI,
       auto *FormatStrPtr = cast<PointerType>(CI->getArgOperand(0)->getType());
       if (FormatStrPtr->getAddressSpace() !=
           SPIR::TypeAttributeEnum::ATTR_CONST) {
-        if (BM->isAllowedToUseExtension(
+        if (!BM->isAllowedToUseExtension(
                 ExtensionID::SPV_EXT_relaxed_printf_string_address_space)) {
-          BM->addExtension(
-              ExtensionID::SPV_EXT_relaxed_printf_string_address_space);
-        } else if (BM->isAllowedToUseExtension(
-                       ExtensionID::SPV_INTEL_non_constant_addrspace_printf)) {
-          BM->addExtension(
-              ExtensionID::SPV_INTEL_non_constant_addrspace_printf);
-          BM->addCapability(
-              internal::CapabilityNonConstantAddrspacePrintfINTEL);
-        } else {
           std::string ErrorStr =
-              "Either SPV_EXT_relaxed_printf_string_address_space or "
-              "SPV_INTEL_non_constant_addrspace_printf extension should be "
-              "allowed to translate this module, because this LLVM module "
-              "contains the printf function with format string, whose address "
-              "space is not equal to 2 (constant).";
+              "Either SPV_EXT_relaxed_printf_string_address_space extension "
+              "should be allowed to translate this module, because this LLVM "
+              "module contains the printf function with format string, whose "
+              "address space is not equal to 2 (constant).";
           getErrorLog().checkError(false, SPIRVEC_RequiresExtension, CI,
                                    ErrorStr);
         }
+        BM->addExtension(
+            ExtensionID::SPV_EXT_relaxed_printf_string_address_space);
       }
     }
 

llvm-spirv/lib/SPIRV/libSPIRV/SPIRVNameMapEnum.h

@@ -629,8 +629,6 @@ template <> inline void SPIRVMap<Capability, std::string>::init() {
   add(internal::CapabilityHWThreadQueryINTEL, "HWThreadQueryINTEL");
   add(internal::CapabilityGlobalVariableDecorationsINTEL,
       "GlobalVariableDecorationsINTEL");
-  add(internal::CapabilityNonConstantAddrspacePrintfINTEL,
-      "NonConstantAddrspacePrintfINTEL");
   add(internal::CapabilityComplexFloatMulDivINTEL, "ComplexFloatMulDivINTEL");
   add(internal::CapabilityMaskedGatherScatterINTEL, "MaskedGatherScatterINTEL");
   add(internal::CapabilityTensorFloat32ConversionINTEL,

llvm-spirv/lib/SPIRV/libSPIRV/spirv_internal.hpp

@@ -73,7 +73,6 @@ enum InternalCapability {
   ICapabilityHWThreadQueryINTEL = 6134,
   ICapFPArithmeticFenceINTEL = 6144,
   ICapGlobalVariableDecorationsINTEL = 6146,
-  ICapabilityNonConstantAddrspacePrintfINTEL = 6411,
   ICapabilityComplexFloatMulDivINTEL = 6414,
   ICapabilityTensorFloat32ConversionINTEL = 6425,
   ICapabilityMaskedGatherScatterINTEL = 6427
@@ -113,8 +112,6 @@ _SPIRV_OP(Capability, HWThreadQueryINTEL)
 _SPIRV_OP(BuiltIn, SubDeviceIDINTEL)
 _SPIRV_OP(BuiltIn, GlobalHWThreadIDINTEL)
 
-_SPIRV_OP(Capability, NonConstantAddrspacePrintfINTEL)
-
 _SPIRV_OP(Capability, ComplexFloatMulDivINTEL)
 _SPIRV_OP(Op, ComplexFMulINTEL)
 _SPIRV_OP(Op, ComplexFDivINTEL)

llvm-spirv/test/extensions/EXT/SPV_EXT_relaxed_printf_string_address_space/non-constant-printf.ll

@@ -1,7 +1,7 @@
 ; RUN: llvm-as %s -o %t.bc
 ; RUN: not llvm-spirv %t.bc -o %t.spv 2>&1 | FileCheck %s --check-prefix=CHECK-WO-EXT
 
-; RUN: llvm-spirv -spirv-text %t.bc -o %t.spt --spirv-ext=+SPV_EXT_relaxed_printf_string_address_space,+SPV_INTEL_non_constant_addrspace_printf
+; RUN: llvm-spirv -spirv-text %t.bc -o %t.spt --spirv-ext=+SPV_EXT_relaxed_printf_string_address_space
 ; RUN: FileCheck < %t.spt %s --check-prefix=CHECK-SPIRV
 
 ; RUN: llvm-spirv -to-binary %t.spt -o %t.spv
@@ -10,10 +10,8 @@
 ; RUN: FileCheck < %t.rev.ll %s --check-prefix=CHECK-LLVM
 
 ; CHECK-WO-EXT: RequiresExtension: Feature requires the following SPIR-V extension:
-; CHECK-WO-EXT: Either SPV_EXT_relaxed_printf_string_address_space or SPV_INTEL_non_constant_addrspace_printf extension should be allowed to translate this module, because this LLVM module contains the printf function with format string, whose address space is not equal to 2 (constant).
+; CHECK-WO-EXT: SPV_EXT_relaxed_printf_string_address_space extension should be allowed to translate this module, because this LLVM module contains the printf function with format string, whose address space is not equal to 2 (constant).
 
-; CHECK-SPIRV-NOT: Capability NonConstantAddrspacePrintfINTEL
-; CHECK-SPIRV-NOT: Extension "SPV_INTEL_non_constant_addrspace_printf"
 ; CHECK-SPIRV: Extension "SPV_EXT_relaxed_printf_string_address_space"
 ; CHECK-SPIRV: ExtInstImport [[#ExtInstSetId:]] "OpenCL.std"
 ; CHECK-SPIRV: TypeInt [[#TypeInt8Id:]] 8 0