commit 2c552d319a5f0378c48390524de436265b05b943
author chuongg3 <chuong.goh@arm.com> Sun Jan 28 20:21:38 2024 +0000
committer GitHub <noreply@github.com> Sun Jan 28 20:21:38 2024 +0000
tree 79a432e9b315ba47e6aef9dc40bc1fab809d499c
parent 3bf21ba597d00253c6ef55bb0b499711dd778d84

[AArch64][GlobalISel] Legalize G_ABS for Larger/Smaller Vectors (#79117)

Legalize G_ABS for larger/smaller width vectors with legal element sizes

Fallsback for the smaller width vector tests because it is unable to
legalize for G_ANYEXT smaller width vectors

llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 6c06afa..464ff08 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -5254,6 +5254,7 @@
   case TargetOpcode::G_BSWAP:
   case TargetOpcode::G_FCANONICALIZE:
   case TargetOpcode::G_SEXT_INREG:
+  case TargetOpcode::G_ABS:
     if (TypeIdx != 0)
       return UnableToLegalize;
     Observer.changingInstr(MI);