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e6d23ad3c1
Selectively reverts 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: https://bugs.llvm.org/show_bug.cgi?id=51590 Submitted by: adalava Differential review (for base): https://reviews.freebsd.org/D31698
12 lines
612 B
C++
12 lines
612 B
C++
--- llvm/lib/CodeGen/TargetLoweringBase.cpp.orig 2021-08-27 13:06:05 UTC
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+++ llvm/lib/CodeGen/TargetLoweringBase.cpp
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@@ -1961,7 +1961,8 @@ void TargetLoweringBase::insertSSPDeclarations(Module
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GlobalVariable::ExternalLinkage, nullptr,
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"__stack_chk_guard");
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if (TM.getRelocationModel() == Reloc::Static &&
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- !TM.getTargetTriple().isWindowsGNUEnvironment())
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+ !TM.getTargetTriple().isWindowsGNUEnvironment() &&
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+ !(TM.getTargetTriple().isPPC64() && TM.getTargetTriple().isOSFreeBSD()))
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GV->setDSOLocal(true);
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}
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}
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