commit 90b76dac57861e438880a260834afb193e603c5a
author Matt Arsenault <Matthew.Arsenault@amd.com> Wed Jul 29 13:31:59 2020 -0400
committer Matt Arsenault <Matthew.Arsenault@amd.com> Wed Jul 29 13:42:22 2020 -0400
tree 61f82f6c4be98a62dcc2dfb62d3ef0a7432eab79
parent 0c4ea2751051493bd71ffdb8dfe5af89a2324c24

GloblaISel: Remove unreachable condition

Fixes bug 46882

llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 441e5ca..15e1ac8 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -1614,8 +1614,7 @@
     if (WideTy.getSizeInBits() > SrcTy.getSizeInBits()) {
       Src = MIRBuilder.buildAnyExt(WideTy, Src);
       ShiftTy = WideTy;
-    } else if (WideTy.getSizeInBits() > SrcTy.getSizeInBits())
-      return UnableToLegalize;
+    }
 
     auto LShr = MIRBuilder.buildLShr(
       ShiftTy, Src, MIRBuilder.buildConstant(ShiftTy, Offset));