Revert "[ConstantFolding] Fix crash when folding vector llvm.is.fpclass"

This reverts commit 5fc6425. It is reported to cause other crashes that require a larger fix.
llvm · Apr 21, 2023 · 2b81ec3 · 2b81ec3
1 parent cea5d28
commit 2b81ec3
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diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
@@ -86,7 +86,6 @@ bool llvm::isTriviallyVectorizable(Intrinsic::ID ID) {
   case Intrinsic::pow:
   case Intrinsic::fma:
   case Intrinsic::fmuladd:
-  case Intrinsic::is_fpclass:
   case Intrinsic::powi:
   case Intrinsic::canonicalize:
   case Intrinsic::fptosi_sat:
@@ -104,7 +103,6 @@ bool llvm::isVectorIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,
   case Intrinsic::abs:
   case Intrinsic::ctlz:
   case Intrinsic::cttz:
-  case Intrinsic::is_fpclass:
   case Intrinsic::powi:
     return (ScalarOpdIdx == 1);
   case Intrinsic::smul_fix:

diff --git a/llvm/test/Transforms/InstSimplify/is_fpclass.ll b/llvm/test/Transforms/InstSimplify/is_fpclass.ll