| // Test the -hack-undef option, with an undef image value. |
| // We must keep the undef image value. |
| // See https://github.com/google/clspv/issues/95 |
| |
| // RUN: clspv %s -o %t.spv -hack-undef -no-inline-single -keep-unused-arguments |
| // RUN: spirv-dis -o %t2.spvasm %t.spv |
| // RUN: FileCheck %s < %t2.spvasm |
| // RUN: spirv-val --target-env vulkan1.0 %t.spv |
| |
| // This function takes an image argument but does not use it. |
| // The optimizer is smart enough to have the call pass an undef |
| // image operand. |
| float2 bar(float2 coord, read_only image2d_t im) { |
| return coord + (float2)(2.5, 2.5); |
| } |
| |
| void kernel foo(global float4* A, read_only image2d_t im, sampler_t sam, float2 coord) |
| { |
| *A = read_imagef(im, sam, bar(coord, im)); |
| } |
| // CHECK-DAG: [[_float:%[a-zA-Z0-9_]+]] = OpTypeFloat 32 |
| // CHECK-DAG: [[used:%[a-zA-Z0-9_]+]] = OpTypeImage [[_float]] 2D 0 0 0 1 Unknown |
| // CHECK-DAG: [[unused:%[a-zA-Z0-9_]+]] = OpTypeImage [[_float]] 2D 0 0 0 2 Unknown |
| // CHECK-DAG: [[_24:%[a-zA-Z0-9_]+]] = OpUndef [[unused]] |
| // CHECK: [[_36:%[a-zA-Z0-9_]+]] = OpFunction |
| // CHECK: [[_38:%[a-zA-Z0-9_]+]] = OpFunctionParameter [[unused]] |
| // CHECK: [[_48:%[a-zA-Z0-9_]+]] = OpFunctionCall {{.*}} [[_36]] {{.*}} [[_24]] |
