[GlobalISel] Remove unused function narrowToSmallerAndWidenToSmallest

[kazutakahirata]

The last use was removed by:

commit b163efa
Author: Simon Pilgrim llvm-dev@redking.me.uk
Date: Thu Jun 15 13:56:53 2023 +0100

[llvmbot]

@llvm/pr-subscribers-llvm-globalisel

Author: Kazu Hirata (kazutakahirata)

Changes

The last use was removed by:

commit b163efa
Author: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu Jun 15 13:56:53 2023 +0100

---

Full diff: https://github.com/llvm/llvm-project/pull/69130.diff

1 Files Affected:

• (modified) llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h (-10)

diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h b/llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h
index 08233dba2041143..0b167ce9650d070 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h
@@ -240,16 +240,6 @@ class LegacyLegalizerInfo {
                                                        Unsupported);
   }
 
-  static SizeAndActionsVec
-  narrowToSmallerAndWidenToSmallest(const SizeAndActionsVec &v) {
-    using namespace LegacyLegalizeActions;
-    assert(v.size() > 0 &&
-           "At least one size that can be legalized towards is needed"
-           " for this SizeChangeStrategy");
-    return decreaseToSmallerTypesAndIncreaseToSmallest(v, NarrowScalar,
-                                                       WidenScalar);
-  }
-
   /// A SizeChangeStrategy for the common case where legalization for a
   /// particular vector operation consists of having more elements in the
   /// vector, to a type that is legal. Unless there is no such type and then

[RKSimon]

LGTM