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(parent: 3fe09ea) | patch
X86: Don't make illegal GOTTPOFF relocations
authorDavid Majnemer <david.majnemer@gmail.com>
Tue, 6 Jan 2015 07:12:52 +0000 (07:12 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Tue, 6 Jan 2015 07:12:52 +0000 (07:12 +0000)
commit29c52f7449a3997329603ced247453221cbfb217
treefc4b0eebb62bec64fe3b7fd9cd3c785b6129121dtree | snapshot
parent3fe09ea4d938d199ce697041cb88bba871168c9ecommit | diff
X86: Don't make illegal GOTTPOFF relocations

"ELF Handling for Thread-Local Storage" specifies that R_X86_64_GOTTPOFF
relocation target a movq or addq instruction.

Prohibit the truncation of such loads to movl or addl.

This fixes PR22083.

Differential Revision: http://reviews.llvm.org/D6839

llvm-svn: 225250
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/lib/Target/X86/X86ISelLowering.h diff | blob | history
llvm/test/CodeGen/X86/tls-models.ll diff | blob | history
Domain: System / Toolchain;