================
@@ -1075,7 +1075,22 @@ void CodeGenPassBuilder<Derived,
TargetMachineT>::addTargetRegisterAllocator(
template <typename Derived, typename TargetMachineT>
void CodeGenPassBuilder<Derived, TargetMachineT>::addRegAllocPass(
AddMachinePass &addPass, bool Optimized) const {
- // TODO: Parse Opt.RegAlloc to add register allocator.
+ // Use the specified -regalloc-npm={basic|greedy|fast|pbqp}
+ if (Opt.RegAlloc > RegAllocType::Default) {
+ switch (Opt.RegAlloc) {
+ case RegAllocType::Fast:
+ addPass(RegAllocFastPass());
+ break;
+ case RegAllocType::Greedy:
+ addPass(RAGreedyPass());
+ break;
+ default:
+ report_fatal_error("Register allocator not supported yet.", false);
----------------
arsenm wrote:
```suggestion
report_fatal_error("register allocator not supported yet.", false);
```
https://github.com/llvm/llvm-project/pull/120557
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