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

[Matt Arsenault via llvm-commits]

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@@ -13,7 +13,7 @@
 ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 -regalloc=basic %s -o - \
 ; RUN:  | FileCheck %s -check-prefix=A8
 
-; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 --enable-unsafe-fp-math %s -o - \
+; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 --enable-unsafe-fp-math  %s -o - \
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arsenm wrote:

The denormal FP mode and a DAZ fast math flag are orthogonal things 

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