[llvm-branch-commits] [llvm] InstCombine: Handle fptrunc in SimplifyDemandedFPClass (PR #175421)

[Matt Arsenault via llvm-branch-commits]

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@@ -2600,6 +2633,113 @@ Value *InstCombinerImpl::SimplifyDemandedUseFPClass(Instruction *I,
       FPClassTest ValidResults = DemandedMask & Known.KnownFPClasses;
       return getFPClassConstant(VTy, ValidResults, /*IsCanonicalizing=*/true);
     }
+    case Intrinsic::sqrt: {
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arsenm wrote:

Bad merge this is just duplicating the sqrt case 

https://github.com/llvm/llvm-project/pull/175421