[llvm] [Instrumentation] Remove unsafe-fp-math attribute support (PR #164533)

[via llvm-commits]

https://github.com/paperchalice created https://github.com/llvm/llvm-project/pull/164533

None

>From 5840c3ba59c9223aaf00bb2808a17eb620db05da Mon Sep 17 00:00:00 2001
From: PaperChalice <liujunchang97 at outlook.com>
Date: Wed, 22 Oct 2025 10:05:18 +0800
Subject: [PATCH] [Instrumentation] Remove unsafe-fp-math attribute support

---
 .../Transforms/Instrumentation/NumericalStabilitySanitizer.cpp   | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/lib/Transforms/Instrumentation/NumericalStabilitySanitizer.cpp b/llvm/lib/Transforms/Instrumentation/NumericalStabilitySanitizer.cpp
index d18c0d0d2d90d..80e77e099c695 100644
--- a/llvm/lib/Transforms/Instrumentation/NumericalStabilitySanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/NumericalStabilitySanitizer.cpp
@@ -2020,7 +2020,6 @@ static void moveFastMathFlags(Function &F,
     F.removeFnAttr(attr);                                                      \
     FMF.set##setter();                                                         \
   }
-  MOVE_FLAG("unsafe-fp-math", Fast)
   MOVE_FLAG("no-infs-fp-math", NoInfs)
   MOVE_FLAG("no-nans-fp-math", NoNaNs)
   MOVE_FLAG("no-signed-zeros-fp-math", NoSignedZeros)