clang/test/CodeGenOpenCL/kernel-param-alignment.cl

   1 // RUN: %clang_cc1 %s -cl-std=CL1.2 -emit-llvm -triple x86_64-unknown-unknown -o - | FileCheck %s
   2
   3 // Test that pointer arguments to kernels are assumed to be ABI aligned.
   4
   5 struct __attribute__((packed, aligned(1))) packed {
   6   int i32;
   7 };
   8
   9 typedef __attribute__((ext_vector_type(4))) int int4;
  10 typedef __attribute__((ext_vector_type(2))) float float2;
  11
  12 kernel void test(
  13     global int *i32,
  14     global long *i64,
  15     global int4 *v4i32,
  16     global float2 *v2f32,
  17     global void *v,
  18     global struct packed *p) {
  19 // CHECK-LABEL: spir_kernel void @test(
  20 // CHECK-SAME: ptr nocapture noundef readnone align 4 %i32,
  21 // CHECK-SAME: ptr nocapture noundef readnone align 8 %i64,
  22 // CHECK-SAME: ptr nocapture noundef readnone align 16 %v4i32,
  23 // CHECK-SAME: ptr nocapture noundef readnone align 8 %v2f32,
  24 // CHECK-SAME: ptr nocapture noundef readnone %v,
  25 // CHECK-SAME: ptr nocapture noundef readnone align 1 %p)
  26 }