[llvm] PreISelIntrinsicLowering: Lower llvm.exp to a loop if scalable vec arg (PR #117568)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,70 @@
+//===- LowerMathIntrinsics.cpp ---------------------------------*- C++ -*--===//
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arsenm wrote:

Don't need the C++ marker in cpp file

https://github.com/llvm/llvm-project/pull/117568