The branch main has been updated by alfredo:
URL:
https://cgit.FreeBSD.org/src/commit/?id=9a4d48a645a7a3ebee05fae25afd154a132b638a
commit 9a4d48a645a7a3ebee05fae25afd154a132b638a
Author: Alfredo Dal'Ava Junior <alfr...@freebsd.org>
AuthorDate: 2021-08-27 14:47:11 +0000
Commit: Alfredo Dal'Ava Junior <alfr...@freebsd.org>
CommitDate: 2021-08-27 14:47:11 +0000
llvm/powerpc64*: fix broken binaries generated by clang12
Amends LLVM commit 2518433f861fcb877d0a7bdd9aec1aec1f77505a that
was pointed as the source of regression on LLVM12.
This affects powerpc64*, making binaries crash with segmentation fault
due to bad code generation around "__stack_chk_guard"
Root cause and/or proper fix is under investigation by:
https://bugs.llvm.org/show_bug.cgi?id=51590
Reviewed by: dim
MFC after: 2 days
Sponsored by: Instituto de Pesquisas Eldorado (eldorado.org.br)
Differential Revision: https://reviews.freebsd.org/D31698
---
contrib/llvm-project/llvm/lib/CodeGen/TargetLoweringBase.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/TargetLoweringBase.cpp
b/contrib/llvm-project/llvm/lib/CodeGen/TargetLoweringBase.cpp
index 28c8bd0a7ded..74fea674f962 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1961,7 +1961,8 @@ void TargetLoweringBase::insertSSPDeclarations(Module &M)
const {
GlobalVariable::ExternalLinkage, nullptr,
"__stack_chk_guard");
if (TM.getRelocationModel() == Reloc::Static &&
- !TM.getTargetTriple().isWindowsGNUEnvironment())
+ !TM.getTargetTriple().isWindowsGNUEnvironment() &&
+ !(TM.getTargetTriple().isPPC64() && TM.getTargetTriple().isOSFreeBSD()))
GV->setDSOLocal(true);
}
}
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