From: Jessica Paquette <jpaquette@apple.com>
Date: Wed, 18 Aug 2021 20:57:42 +0000 (-0700)
Subject: [AArch64][GlobalISel] Don't allow s128 for G_ISNAN
X-Git-Tag: upstream/15.0.7~33569
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c22b64ef66f7518abb6f022fcdfd86d16c764caf;p=platform%2Fupstream%2Fllvm.git

[AArch64][GlobalISel] Don't allow s128 for G_ISNAN

getAPFloatFromSize doesn't support s128, so we can't lower this without
asserting right now.

To fix the buildbots, don't allow any scalars other than s16, s32, and s64.
---

diff --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
index bbc3df3..5320f44 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -727,7 +727,8 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
   // TODO: Vector types.
   getActionDefinitionsBuilder({G_SADDSAT, G_SSUBSAT}).lowerIf(isScalar(0));
 
-  getActionDefinitionsBuilder(G_ISNAN).lower();
+  getActionDefinitionsBuilder(G_ISNAN).lowerIf(
+      any(isVector(1), typeInSet(1, {s16, s32, s64})));
 
   // TODO: Vector types.
   getActionDefinitionsBuilder({G_FMAXNUM, G_FMINNUM})