From 3fbf9d10fdf21abedfd68bf53ad7098c00c6850c Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Thu, 22 Oct 2020 18:16:09 -0400
Subject: [PATCH] [gn build] (semi-manually) port 147b9497e79

---
 llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn
index 78d75d54..919a168 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn
@@ -48,6 +48,15 @@ tablegen("AArch64GenPreLegalizeGICombiner") {
   td_file = "AArch64.td"
 }
 
+tablegen("AArch64GenPostLegalizeGILowering") {
+  visibility = [ ":LLVMAArch64CodeGen" ]
+  args = [
+    "-gen-global-isel-combiner",
+    "-combiners=AArch64PostLegalizerLoweringHelper",
+  ]
+  td_file = "AArch64.td"
+}
+
 tablegen("AArch64GenRegisterBank") {
   visibility = [ ":LLVMAArch64CodeGen" ]
   args = [ "-gen-register-bank" ]
@@ -63,6 +72,7 @@ static_library("LLVMAArch64CodeGen") {
     ":AArch64GenMCPseudoLowering",
     ":AArch64GenPostLegalizeGICombiner",
     ":AArch64GenPreLegalizeGICombiner",
+    ":AArch64GenPostLegalizeGILowering",
     ":AArch64GenRegisterBank",
 
     # See https://reviews.llvm.org/D69130
@@ -129,6 +139,7 @@ static_library("LLVMAArch64CodeGen") {
     "GISel/AArch64InstructionSelector.cpp",
     "GISel/AArch64LegalizerInfo.cpp",
     "GISel/AArch64PostLegalizerCombiner.cpp",
+    "GISel/AArch64PostLegalizerLowering.cpp",
     "GISel/AArch64PreLegalizerCombiner.cpp",
     "GISel/AArch64RegisterBankInfo.cpp",
     "SVEIntrinsicOpts.cpp",
-- 
2.7.4