[flang-commits] [flang] [flang] Disable noalias captures(none) by default (PR #142128)

[Tom Eccles via flang-commits]

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@@ -350,9 +358,10 @@ void createDefaultFIRCodeGenPassPipeline(mlir::PassManager &pm,
   else
     framePointerKind = mlir::LLVM::framePointerKind::FramePointerKind::None;
 
-  bool setNoCapture = false, setNoAlias = false;
-  if (config.OptLevel.isOptimizingForSpeed())
-    setNoCapture = setNoAlias = true;
+  // TODO: re-enable setNoAlias by default (when optimizing for speed) once
+  // function specialization is fixed.
+  bool setNoAlias = forceNoAlias;
+  bool setNoCapture = forceNoCapture;
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tblah wrote:

My bad I was rushing and missed this. It turns out to work fine with nocapture still enabled. I've updated the patch.

https://github.com/llvm/llvm-project/pull/142128