30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From 15899eaab58e96bb7bbe7a14099674e255656a50 Mon Sep 17 00:00:00 2001
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From: Valentin Churavy <v.churavy@gmail.com>
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Date: Fri, 23 Feb 2018 14:41:20 -0500
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Subject: [PATCH] Make AddrSpaceCast noops on PPC
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PPC as AArch64 doesn't have address-spaces so we can drop them in the backend
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---
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lib/Target/PowerPC/PPCISelLowering.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
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index e60504507d3..c9b89773968 100644
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--- a/lib/Target/PowerPC/PPCISelLowering.h
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+++ b/lib/Target/PowerPC/PPCISelLowering.h
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@@ -761,6 +761,11 @@ namespace llvm {
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ReuseLoadInfo() : IsInvariant(false), Alignment(0), Ranges(nullptr) {}
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};
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+ bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
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+ // Addrspacecasts are always noops.
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+ return true;
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+ }
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+
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bool canReuseLoadAddress(SDValue Op, EVT MemVT, ReuseLoadInfo &RLI,
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SelectionDAG &DAG,
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ISD::LoadExtType ET = ISD::NON_EXTLOAD) const;
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--
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2.16.2
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