[PATCH] D146170: InstCombine: Fold is.fpclass for single infinity to fcmp

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp:889-892
+    // is.fpclass(x, ~fcPosInf) -> fcmp one x, +inf
+    // is.fpclass(x, ~fcNegInf) -> fcmp one x, -inf
+    // is.fpclass(x, ~fcPosInf|fcNan) -> fcmp une x, +inf
+    // is.fpclass(x, ~fcNegInf|fcNan) -> fcmp une x, -inf
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146170/new/

https://reviews.llvm.org/D146170