[ESIMD] Don't invoke sycl-post-link in clang tests (#3651)

Removed checks are performed in other places: in llvm and llvm-spirv components.

Author: DenisBakhvalov

clang/test/CodeGenSYCL/esimd-accessor-ptr-md.cpp

@@ -1,21 +1,10 @@
-// TODO: previously code generation and ESIMD lowering was
-// a part of the same %clang_cc1 invocation, but now it is
-// separate. So, we can split this test into 2, where one
-// will be testing code generation and the second ESIMD lowering.
-//
 // RUN: %clang_cc1 -fsycl-is-device \
 // RUN:   -internal-isystem %S/Inputs -triple spir64-unknown-unknown-sycldevice \
-// RUN:   -disable-llvm-passes -emit-llvm %s -o %t
-// RUN: sycl-post-link -split-esimd -lower-esimd -O0 -S %t -o %t.table
-// RUN: FileCheck %s -input-file=%t_esimd_0.ll
+// RUN:   -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s
 
 // This test checks
-// 1) proper metadata generation for accessors used in ESIMD
-// kernels:
-//   - Proper 'kernel_arg_accessor_ptr' metadata is generated by the FE for
-//     ESIMD kernels
-//   - Pointers originating from accessors are marked with 'buffer_t' and proper
-//     argument kind.
+// 1) Proper 'kernel_arg_accessor_ptr' metadata is generated by the FE for
+//    ESIMD kernels.
 // 2) __init_esimd function is used to initialize the accessor rather than
 //    __init.
 
@@ -38,10 +27,6 @@ void test(int val) {
 
   // --- Name
   // CHECK-LABEL: define {{.*}}spir_kernel void @"_ZTSZZ4testiENK3$_0clERN2cl4sycl7handlerEE12esimd_kernel"(
-  // --- Signature
-  // CHECK:   i32 addrspace(1)* "VCArgumentDesc"="buffer_t" "VCArgumentIOKind"="0" "VCArgumentKind"="2" %_arg_,
-  // CHECK:   i32 "VCArgumentDesc" "VCArgumentIOKind"="0" "VCArgumentKind"="0" %_arg_1,
-  // CHECK:   i32 addrspace(1)* "VCArgumentDesc"="buffer_t" "VCArgumentIOKind"="0" "VCArgumentKind"="2" %_arg_3)
   // --- Attributes
   // CHECK: {{.*}} !kernel_arg_accessor_ptr ![[ACC_PTR_ATTR:[0-9]+]] !sycl_explicit_simd !{{[0-9]+}} {{.*}}{
   // --- init_esimd call is expected instead of __init:

clang/test/CodeGenSYCL/esimd-private-global.cpp

@@ -1,17 +1,10 @@
-// TODO: previously code generation and ESIMD lowering was
-// a part of the same %clang_cc1 invocation, but now it is
-// separate. So, we can split this test into 2, where one
-// will be testing code generation and the second ESIMD lowering.
-//
 // RUN: %clang_cc1 -disable-llvm-passes -triple spir64-unknown-unknown-sycldevice \
-// RUN:   -fsycl-is-device -emit-llvm %s -o %t
-// RUN: sycl-post-link -split-esimd -lower-esimd -O0 -S %t -o %t.table
-// RUN: FileCheck %s -input-file=%t_esimd_0.ll
+// RUN:   -fsycl-is-device -emit-llvm %s -o - | FileCheck %s
 
-// This test checks that FE allows globals with register_num attribute in ESIMD mode.
+// This test checks that FE generates appropriate attributes for ESIMD private globals with register_num attribute.
 
 __attribute__((opencl_private)) __attribute__((sycl_explicit_simd)) __attribute__((register_num(17))) int vc;
-// CHECK: @vc = {{.+}} i32 0, align 4 #0
+// CHECK: @vc = {{.+}} i32 0, align 4 #[[ATTR:[0-9]+]]
 
 template <typename name, typename Func>
 __attribute__((sycl_kernel)) void kernel(Func kernelFunc) {
@@ -24,4 +17,4 @@ void init_vc(int x) {
     // CHECK: store i32 %{{[0-9a-zA-Z_]+}}, i32* @vc
   });
 }
-// CHECK: attributes #0 = {{.*"VCByteOffset"="17".*"VCVolatile"}}
+// CHECK: attributes #[[ATTR]] = { "genx_byte_offset"="17" "genx_volatile" }