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Author SHA1 Message Date
Fangrui Song e29e30b139 [llvm-readobj] Change -long-option to --long-option in tests. NFC 
We use both -long-option and --long-option in tests. Switch to --long-option for consistency.

In the "llvm-readelf" mode, -long-option is discouraged as it conflicts with grouped short options and it is not accepted by GNU readelf.

While updating the tests, change llvm-readobj -s to llvm-readobj -S to reduce confusion ("s" is --section-headers in llvm-readobj but --symbols in llvm-readelf).

llvm-svn: 359649
 2019-05-01 05:27:20 +00:00
Eli Friedman 93d0129b78 [AArch64] [Windows] SEH opcodes should be scheduling boundaries. 
Prevents the post-RA scheduler from modifying the prologue sequences
emitting by frame lowering. This is roughly similar to what we do for
other targets: TargetInstrInfo::isSchedulingBoundary checks
isPosition(), which checks for CFI_INSTRUCTION.

isSEHInstruction is taken from D50288; it'll land with whatever patch
lands first.

Differential Revision: https://reviews.llvm.org/D53851

llvm-svn: 345634
 2018-10-30 19:24:51 +00:00
Sanjin Sijaric 96f2ea3dd4 [ARM64][Windows] MCLayer support for exception handling 
Add ARM64 unwind codes to MCLayer, as well SEH directives that will be emitted
by the frame lowering patch to follow.  We only emit unwind codes into object
object files for now.

Differential Revision: https://reviews.llvm.org/D50166

llvm-svn: 345450
 2018-10-27 06:13:06 +00:00