[clang] [CIR]Upstream support for IITDescriptor::Pointer and Vector types (PR #182112)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clangir

Author: Priyanshu Kumar (Priyanshu3820)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/182112.diff


2 Files Affected:

- (modified) clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp (+11) 
- (modified) clang/test/CIR/CodeGen/builtins-x86.c (+27) 


``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
index 87c50585c1afb..049708c0603f9 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
@@ -817,6 +817,17 @@ decodeFixedType(CIRGenFunction &cgf,
   case IITDescriptor::Integer:
     return cir::IntType::get(context, descriptor.Integer_Width,
                              /*isSigned=*/true);
+  case IITDescriptor::Vector: {
+    mlir::Type elementType = decodeFixedType(cgf, infos, context);
+    unsigned numElements = descriptor.Vector_Width.getFixedValue();
+    return cir::VectorType::get(elementType, numElements);
+  }
+  case IITDescriptor::Pointer: {
+    mlir::Builder builder(context);
+    auto addrSpace = cir::TargetAddressSpaceAttr::get(
+        context, builder.getUI32IntegerAttr(descriptor.Pointer_AddressSpace));
+    return cir::PointerType::get(cir::VoidType::get(context), addrSpace);
+  }
   default:
     cgf.cgm.errorNYI("Unimplemented intrinsic type descriptor");
     return cir::VoidType::get(context);
diff --git a/clang/test/CIR/CodeGen/builtins-x86.c b/clang/test/CIR/CodeGen/builtins-x86.c
index e03cd64e063dc..6c38b02609ed6 100644
--- a/clang/test/CIR/CodeGen/builtins-x86.c
+++ b/clang/test/CIR/CodeGen/builtins-x86.c
@@ -40,3 +40,30 @@ void test_pause(void) {
   // OGCG: call void @llvm.x86.sse2.pause()
   __builtin_ia32_pause();
 }
+
+void test_clflush(void* a){
+  // CIR-LABEL: test_clflush
+  // CIR: cir.call_llvm_intrinsic "x86.sse2.clflush" %{{.*}} : (!cir.ptr<!void, target_address_space(0)>) -> !void
+  
+  // LLVM-LABEL: @test_clflush
+  // LLVM: call void @llvm.x86.sse2.clflush(ptr {{.*}})
+
+  // OGCG-LABEL: @test_clflush
+  // OGCG: call void @llvm.x86.sse2.clflush(ptr {{.*}})
+  __builtin_ia32_clflush(a);
+}
+
+typedef float v4f __attribute__((vector_size(16)));
+typedef int   v4i __attribute__((vector_size(16)));
+
+v4i test_convertvector(v4f a) {
+  // CIR-LABEL: test_convertvector
+  // CIR: cir.cast float_to_int %{{.*}} : !cir.vector<4 x !cir.float> -> !cir.vector<4 x !s32i>
+
+  // LLVM-LABEL: @test_convertvector
+  // LLVM: fptosi <4 x float> %{{.*}} to <4 x i32>
+
+  // OGCG-LABEL: @test_convertvector
+  // OGCG: fptosi <4 x float> %{{.*}} to <4 x i32>
+  return __builtin_convertvector(a, v4i);
+}
\ No newline at end of file

``````````

</details>


https://github.com/llvm/llvm-project/pull/182112