================
@@ -4081,11 +4075,26 @@ static void extractHostEvalClauses(omp::TargetOp
targetOp, Value &numThreads,
llvm_unreachable("unsupported host_eval use");
})
.Case([&](omp::LoopNestOp loopOp) {
- // TODO: Extract bounds and step values. Currently, this cannot be
- // reached because translation would have been stopped earlier as a
- // result of `checkImplementationStatus` detecting and reporting
- // this situation.
- llvm_unreachable("unsupported host_eval use");
+ auto processBounds =
+ [&](OperandRange opBounds,
+ llvm::SmallVectorImpl<Value> *outBounds) -> bool {
+ bool found = false;
+ for (auto [i, lb] : llvm::enumerate(opBounds)) {
+ if (lb == blockArg) {
+ found = true;
+ if (outBounds)
+ (*outBounds)[i] = hostEvalVar;
+ }
+ }
+ return found;
+ };
+ bool found =
+ processBounds(loopOp.getLoopLowerBounds(), lowerBounds);
+ found = processBounds(loopOp.getLoopUpperBounds(), upperBounds) ||
+ found;
+ found = processBounds(loopOp.getLoopSteps(), steps) || found;
+ if (!found)
+ llvm_unreachable("unsupported host_eval use");
----------------
Meinersbur wrote:
```suggestion
(void)found;
assert(found && "unsupported host_eval use");
```
https://github.com/llvm/llvm-project/pull/127821
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