[flang-commits] [flang] [flang] Set fast math related function attributes for -Ofast/-ffast-math (PR #79301)

[Alex Bradbury via flang-commits]

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@@ -45,14 +50,32 @@ void FunctionAttrPass::runOnOperation() {
     func->setAttr("frame_pointer", mlir::LLVM::FramePointerKindAttr::get(
                                        context, framePointerKind));
 
+  if (noInfsFPMath)
+    func->setAttr("no_infs_fp_math", mlir::BoolAttr::get(context, true));
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asb wrote:

I'm happy to go with whatever is preferred here, but I agree with @gysit that it's not clear adding such getters would be a big win. We're emitting the attribute once in our code base, and if it was typoed we'd see it fail to show up (due to being unrecognised) in the test case I added.

https://github.com/llvm/llvm-project/pull/79301