[llvm] [PowerPC] Remove `UnsafeFPMath` uses (PR #151897)

[via llvm-commits]

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@@ -569,16 +566,14 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
     setOperationAction(ISD::BITCAST, MVT::i32, Legal);
     setOperationAction(ISD::BITCAST, MVT::i64, Legal);
     setOperationAction(ISD::BITCAST, MVT::f64, Legal);
-    if (TM.Options.UnsafeFPMath) {
-      setOperationAction(ISD::LRINT, MVT::f64, Legal);
-      setOperationAction(ISD::LRINT, MVT::f32, Legal);
-      setOperationAction(ISD::LLRINT, MVT::f64, Legal);
-      setOperationAction(ISD::LLRINT, MVT::f32, Legal);
-      setOperationAction(ISD::LROUND, MVT::f64, Legal);
-      setOperationAction(ISD::LROUND, MVT::f32, Legal);
-      setOperationAction(ISD::LLROUND, MVT::f64, Legal);
-      setOperationAction(ISD::LLROUND, MVT::f32, Legal);
-    }
+    setOperationAction(ISD::LRINT, MVT::f64, Legal);
+    setOperationAction(ISD::LRINT, MVT::f32, Legal);
+    setOperationAction(ISD::LLRINT, MVT::f64, Legal);
+    setOperationAction(ISD::LLRINT, MVT::f32, Legal);
+    setOperationAction(ISD::LROUND, MVT::f64, Legal);
+    setOperationAction(ISD::LROUND, MVT::f32, Legal);
+    setOperationAction(ISD::LLROUND, MVT::f64, Legal);
+    setOperationAction(ISD::LLROUND, MVT::f32, Legal);
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paperchalice wrote:

Searched in glibc, glibc uses unsafe version to implement these function.

https://github.com/llvm/llvm-project/pull/151897