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92 lines
4.6 KiB
92 lines
4.6 KiB
// RUN: %clang_cc1 %s -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
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// RUN: %clang_cc1 %s -cl-std=CL2.0 -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
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// RUN: %clang_cc1 %s -cl-std=clc++ -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
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//
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// This test covers 5 cases of sampler initialzation:
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// 1. function argument passing
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// 1a. argument is a file-scope variable
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// 1b. argument is a function-scope variable
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// 1c. argument is one of caller function's parameters
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// 2. variable initialization
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// 2a. initializing a file-scope variable with constant addr space qualifier
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// 2b. initializing a function-scope variable
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// 2c. initializing a file-scope variable with const qualifier
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#define CLK_ADDRESS_CLAMP_TO_EDGE 2
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#define CLK_NORMALIZED_COORDS_TRUE 1
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#define CLK_FILTER_NEAREST 0x10
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#define CLK_FILTER_LINEAR 0x20
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// CHECK: %opencl.sampler_t = type opaque
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// Case 2a
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constant sampler_t glb_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR;
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// CHECK-NOT: glb_smp
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// Case 2c
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const sampler_t glb_smp_const = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR;
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// CHECK-NOT: glb_smp_const
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int get_sampler_initializer(void);
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void fnc4smp(sampler_t s) {}
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// CHECK: define spir_func void [[FUNCNAME:@.*fnc4smp.*]](%opencl.sampler_t addrspace(2)* %
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kernel void foo(sampler_t smp_par) {
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// CHECK-LABEL: define spir_kernel void @foo(%opencl.sampler_t addrspace(2)* %smp_par)
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// CHECK: [[smp_par_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)*
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// Case 2b
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sampler_t smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_NEAREST;
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// CHECK: [[smp_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)*
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// CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19)
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// CHECK: store %opencl.sampler_t addrspace(2)* [[SAMP]], %opencl.sampler_t addrspace(2)** [[smp_ptr]]
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// Case 1b
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fnc4smp(smp);
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// CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19)
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// CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]]
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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// Case 1b
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fnc4smp(smp);
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// CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19)
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// CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]]
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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// Case 1a/2a
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fnc4smp(glb_smp);
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// CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35)
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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// Case 1a/2c
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fnc4smp(glb_smp_const);
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// CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35)
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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// Case 1c
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fnc4smp(smp_par);
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// CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_par_ptr]]
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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fnc4smp(5);
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// CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 5)
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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const sampler_t const_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR;
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fnc4smp(const_smp);
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// CHECK: [[CONST_SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35)
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// CHECK: store %opencl.sampler_t addrspace(2)* [[CONST_SAMP]], %opencl.sampler_t addrspace(2)** [[CONST_SMP_PTR:%[a-zA-Z0-9]+]]
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fnc4smp(const_smp);
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// CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[CONST_SMP_PTR]]
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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constant sampler_t constant_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR;
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fnc4smp(constant_smp);
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// CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35)
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// CHECK: call spir_func void [[FUNCNAME]](%opencl.sampler_t addrspace(2)* [[SAMP]])
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// TODO: enable sampler initialization with non-constant integer.
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//const sampler_t const_smp_func_init = get_sampler_initializer();
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}
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