From ceb801612a678bdffe7e7bf163bd0eed9c9b73a2 Mon Sep 17 00:00:00 2001
From: Jessica Paquette <jpaquette@apple.com>
Date: Fri, 10 Jan 2020 15:46:52 -0800
Subject: [AArch64] Don't generate libcalls for wide shifts on Darwin

Similar to cff90f07cb5cc3.

Darwin doesn't always use compiler-rt, and so we can't assume that these
functions are available (at least on arm64).
---
 llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Target/AArch64/AArch64ISelLowering.cpp')

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 4086595a1bb..0fa1b7673f9 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -13102,7 +13102,7 @@ bool AArch64TargetLowering::
 bool AArch64TargetLowering::shouldExpandShift(SelectionDAG &DAG,
                                               SDNode *N) const {
   if (DAG.getMachineFunction().getFunction().hasMinSize() &&
-      !Subtarget->isTargetWindows())
+      !Subtarget->isTargetWindows() && !Subtarget->isTargetDarwin())
     return false;
   return true;
 }
-- 
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