From 6bf738a1c88ffaecdb3b9bd9c8776c0407cc4505 Mon Sep 17 00:00:00 2001
From: Jessica Paquette <jpaquette@apple.com>
Date: Fri, 24 Mar 2017 23:00:21 +0000
Subject: [PATCH] [Outliner] Revert r298734.
When I tested r298734, I thought that red zones were enabled by default like in
X86. Since red zones are behind a flag on AArch64 the testing wasn't true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298747 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/AArch64/AArch64InstrInfo.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/Target/AArch64/AArch64InstrInfo.cpp b/lib/Target/AArch64/AArch64InstrInfo.cpp
index 2868d8c4a22..24fc7d3c8b0 100644
--- a/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -4280,7 +4280,7 @@ unsigned AArch64InstrInfo::getOutliningBenefit(size_t SequenceSize,
}
bool AArch64InstrInfo::isFunctionSafeToOutlineFrom(MachineFunction &MF) const {
- return true;
+ return MF.getFunction()->hasFnAttribute(Attribute::NoRedZone);
}
AArch64GenInstrInfo::MachineOutlinerInstrType
--
2.40.0