[PATCH] D105913: [AArch64][GlobalISel] Legalize load <2 x i16>

[Jon Roelofs via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGeba638dbbb77: [AArch64][GlobalISel] Legalize load <2 x i16> (authored by jroelofs).

Changed prior to commit:
  https://reviews.llvm.org/D105913?vs=358339&id=358358#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105913/new/

https://reviews.llvm.org/D105913

Files:
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir


Index: llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir
===================================================================
--- llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir
+++ llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir
@@ -565,3 +565,26 @@
     RET_ReallyLR
 
 ...
+---
+name:            load_2xi16
+tracksRegLiveness: true
+body:             |
+  bb.1:
+    liveins: $s0, $x0
+
+    ; CHECK-LABEL: name: load_2xi16
+    ; CHECK: liveins: $s0, $x0
+    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p0) :: (load (s16), align 4)
+    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
+    ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s16) = G_LOAD [[PTR_ADD]](p0) :: (load (s16) from unknown-address + 2)
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[LOAD]](s16), [[LOAD1]](s16)
+    ; CHECK: $s0 = COPY [[BUILD_VECTOR]](<2 x s16>)
+    ; CHECK: RET_ReallyLR
+    %0:_(p0) = COPY $x0
+    %1(<2 x s16>) = G_LOAD %0(p0) :: (load (<2 x s16>))
+    $s0 = COPY %1:_(<2 x s16>)
+    RET_ReallyLR
+
+...
Index: llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
===================================================================
--- llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -311,7 +311,8 @@
       .clampMaxNumElements(0, s16, 8)
       .clampMaxNumElements(0, s32, 4)
       .clampMaxNumElements(0, s64, 2)
-      .customIf(IsPtrVecPred);
+      .customIf(IsPtrVecPred)
+      .scalarizeIf(typeIs(0, v2s16), 0);
 
   getActionDefinitionsBuilder(G_STORE)
       .legalForTypesWithMemDesc({{s8, p0, s8, 8},
@@ -651,6 +652,7 @@
   getActionDefinitionsBuilder(G_BUILD_VECTOR)
       .legalFor({{v8s8, s8},
                  {v16s8, s8},
+                 {v2s16, s16},
                  {v4s16, s16},
                  {v8s16, s16},
                  {v2s32, s32},


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D105913.358358.patch
Type: text/x-patch
Size: 2017 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210713/60a22d79/attachment.bin>