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Add a workaround for IGC bug

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This commit is contained in:
Andrzej Janik 2020-09-23 00:40:26 +02:00
parent 5a7860d9f1
commit 03005140dd
1 changed files with 12 additions and 2 deletions
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14
ptx/src/translate.rs
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@ -299,7 +299,6 @@ fn emit_function_header<'a>(
pub fn to_spirv<'a>(ast: ast::Module<'a>) -> Result<Vec<u32>, TranslateError> {
let module = to_spirv_module(ast)?;
eprintln!("{}", module.disassemble());
Ok(module.assemble())
}
@ -1305,7 +1304,18 @@ fn emit_function_body_ops(
let result_id = Some(a.dst);
let operand = a.src;
match t {
ast::NotType::Pred => builder.logical_not(result_type, result_id, operand),
ast::NotType::Pred => {
// HACK ALERT
// Temporary workaround until IGC gets its shit together
// Currently IGC carries two copies of SPIRV-LLVM translator
// a new one in /llvm-spirv/ and old one in /IGC/AdaptorOCL/SPIRV/.
// Obviously, old and buggy one is used for compiling L0 SPIRV
// https://github.com/intel/intel-graphics-compiler/issues/148
let type_pred = map.get_or_add_scalar(builder, ast::ScalarType::Pred);
let const_true = builder.constant_true(type_pred);
let const_false = builder.constant_false(type_pred);
builder.select(result_type, result_id, operand, const_false, const_true)
},
_ => builder.not(result_type, result_id, operand),
}?;
}