[AMDGPU] Fix size and alignment of size_t and pointer types

Differential Revision: https://reviews.llvm.org/D34995

llvm-svn: 307121

1 files changed, 70 insertions, 0 deletions

diff --git a/clang/test/CodeGenOpenCL/amdgpu-sizeof-alignof.cl b/clang/test/CodeGenOpenCL/amdgpu-sizeof-alignof.cl
new file mode 100644
index 00000000000..a5d438933fa
--- /dev/null
+++ b/clang/test/CodeGenOpenCL/amdgpu-sizeof-alignof.cl
@@ -0,0 +1,70 @@
+// RUN: %clang_cc1 -triple r600 -cl-std=CL1.2 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn-mesa-mesa3d -cl-std=CL1.2 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn---opencl -cl-std=CL1.2 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn---opencl -cl-std=CL2.0 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn---amdgizcl -cl-std=CL1.2 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn---amdgizcl -cl-std=CL2.0 %s -emit-llvm -o - | FileCheck %s
+
+#ifdef __AMDGCN__
+#define PTSIZE 8
+#else
+#define PTSIZE 4
+#endif
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+#endif
+#ifdef cl_khr_fp16
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+#endif
+
+typedef __SIZE_TYPE__ size_t;
+typedef __PTRDIFF_TYPE__ ptrdiff_t;
+typedef __INTPTR_TYPE__ intptr_t;
+typedef __UINTPTR_TYPE__ uintptr_t;
+typedef global void *global_ptr_t;
+typedef constant void *constant_ptr_t;
+typedef local void *local_ptr_t;
+typedef private void *private_ptr_t;
+
+void check(bool);
+
+void test() {
+  // CHECK-NOT: call void @check(i1 zeroext false)
+  check(sizeof(size_t) == PTSIZE);
+  check(__alignof__(size_t) == PTSIZE);
+  check(sizeof(intptr_t) == PTSIZE);
+  check(__alignof__(intptr_t) == PTSIZE);
+  check(sizeof(uintptr_t) == PTSIZE);
+  check(__alignof__(uintptr_t) == PTSIZE);
+  check(sizeof(ptrdiff_t) == PTSIZE);
+  check(__alignof__(ptrdiff_t) == PTSIZE);
+
+  check(sizeof(char) == 1);
+  check(__alignof__(char) == 1);
+  check(sizeof(short) == 2);
+  check(__alignof__(short) == 2);
+  check(sizeof(int) == 4);
+  check(__alignof__(int) == 4);
+  check(sizeof(long) == 8);
+  check(__alignof__(long) == 8);
+#ifdef cl_khr_fp16
+  check(sizeof(half) == 2);
+  check(__alignof__(half) == 2);
+#endif
+  check(sizeof(float) == 4);
+  check(__alignof__(float) == 4);
+#ifdef cl_khr_fp64
+  check(sizeof(double) == 8);
+  check(__alignof__(double) == 8);
+#endif
+
+  check(sizeof(void*) == (__OPENCL_C_VERSION__ >= 200 ? 8 : 4));
+  check(__alignof__(void*) == (__OPENCL_C_VERSION__ >= 200 ? 8 : 4));
+  check(sizeof(global_ptr_t) == PTSIZE);
+  check(__alignof__(global_ptr_t) == PTSIZE);
+  check(sizeof(constant_ptr_t) == PTSIZE);
+  check(__alignof__(constant_ptr_t) == PTSIZE);
+  check(sizeof(local_ptr_t) == 4);
+  check(__alignof__(private_ptr_t) == 4);
+}