[llvm] [ARM] Remove `UnsafeFPMath` uses (PR #151275)

[David Green via llvm-commits]

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@@ -695,7 +704,9 @@ void ARMAsmPrinter::emitAttributes() {
                                              DenormalMode::getPositiveZero()))
     ATS.emitAttribute(ARMBuildAttrs::ABI_FP_denormal,
                       ARMBuildAttrs::PositiveZero);
-  else if (!TM.Options.UnsafeFPMath)
+  else if (checkDenormalAttributeInconsistency(*MMI->getModule()) ||
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davemgreen wrote:

That might be a sensible approach. We would need to make sure it worked well with LTO and whatnot. Lets try this first and see if anyone has problems with it. If so we can give the alternative a try. Thanks for your work on getting this done.

https://github.com/llvm/llvm-project/pull/151275