[clang] [llvm] Clang: Add nsz to llvm.minnum and llvm.maxnum emitted from fmin and fmax (PR #113133)

[Florian Hahn via llvm-commits]

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@@ -4002,8 +4012,11 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
       Result = Builder.CreateBinaryIntrinsic(
           Ty->isSignedIntegerType() ? Intrinsic::smin : Intrinsic::umin, Op0,
           Op1, nullptr, "elt.min");
-    } else
-      Result = Builder.CreateMinNum(Op0, Op1, /*FMFSource=*/nullptr, "elt.min");
+    } else {
+      FastMathFlags FMF;
+      FMF.setNoSignedZeros(true);
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fhahn wrote:

Yes this should be discussed separately. Feedback from library authors has been that different builtins for floats/ints are a bit of a pain

https://github.com/llvm/llvm-project/pull/113133