| // Test for https://github.com/google/clspv/issues/14 |
| // An undef for an aggregate was not being generated because |
| // of an early return in constant generation when we generate |
| // the <4 x i8> constant. |
| // UPDATE: Rewriting constant composites makes the OpUndef struct go away. |
| |
| // Also test https://github.com/google/clspv/issues/36 for |
| // generation of the <4 x i8> constant including an undef component. |
| |
| typedef struct { |
| int a, b, c, d; |
| } S; |
| |
| S convert(int n) { |
| S s = {n, n, n, n}; |
| return s; |
| } |
| |
| kernel void foo(global S* A, global uchar4* B, int n) { |
| *B = (uchar4)((uchar)n,1,2,3); |
| *A = convert(10); |
| } |
| |
| // RUN: clspv %s -o %t.spv -int8=0 |
| // RUN: spirv-dis -o %t2.spvasm %t.spv |
| // RUN: FileCheck %s < %t2.spvasm |
| // RUN: spirv-val --target-env vulkan1.0 %t.spv |
| |
| |
| // CHECK-DAG: [[uint:%[_a-zA-Z0-9]+]] = OpTypeInt 32 0 |
| // CHECK-DAG: [[struct:%[_a-zA-Z0-9]+]] = OpTypeStruct [[uint]] [[uint]] [[uint]] |
| |
| // With undef mapping to 0 byte, (undef,1,2,3) maps to 66051. |
| // CHECK-DAG: [[theconst:%[_a-zA-Z0-9]+]] = OpConstant [[uint]] 66051 |
| |
| // no longer checked: [[undef_struct:%[_a-zA-Z0-9]+]] = OpUndef [[struct]] |
| |
| // CHECK: OpBitwiseAnd [[uint]] [[theconst]] {{%[_a-zA-Z0-9]+}} |
