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Use cl_uint in some SPIR-V tests to avoid UB (#2159)

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The following tests under `spirv_new`:
* `op_branch_conditional`
* `op_phi`
* `op_selection_merge`

were using randomly generated `cl_int` values, and storing the
difference between them as a `cl_int`. If one of the generated values is
negative and large enough, while the other is positive and large enough,
the difference then becomes a larger value that cannot be represented
using `cl_int`.

Switch the tests to use `cl_uint` instead, and update the relevant
spvasm{32,64} files to use `OpULessThan` instead of `OpSLessThan`.

Signed-off-by: Ahmed Hesham <ahmed.hesham@arm.com>
This commit is contained in:
Ahmed Hesham
2024-11-26 17:29:27 +00:00
committed by GitHub
parent 96e3d7e669
commit 5d85fb3e3b
19 changed files with 84 additions and 82 deletions
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2
test_conformance/spirv_new/spirv_asm/branch_conditional.spvasm32
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@@ -39,7 +39,7 @@
%21 = OpLoad %uint %20 Aligned 4
%22 = OpInBoundsPtrAccessChain %_ptr_CrossWorkgroup_uint %rhs %19
%23 = OpLoad %uint %22 Aligned 4
%24 = OpSLessThan %bool %21 %23
%24 = OpULessThan %bool %21 %23
OpBranchConditional %24 %25 %26
%25 = OpLabel
%27 = OpISub %uint %23 %21