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4 Commits

Author SHA1 Message Date
Hsiangkai Wang 68c706ceb7 [DebugInfo] In FastISel, convert llvm.dbg.label to DBG_LABEL MI. 
Convert llvm.dbg.label(!label_metadata) to DBG_LABEL !label_metadata.

Differential Revision: https://reviews.llvm.org/D50622

llvm-svn: 340122
 2018-08-18 14:55:34 +00:00
Benjamin Kramer 7b307bced3 [DebugInfo] Mark tests using -debug-only as REQUIRES: asserts 
llvm-svn: 331865
 2018-05-09 11:17:30 +00:00
Shiva Chen 39a694ffe4 [DebugInfo] Fix test failed due to debug-label-mi.ll and debug-label-opt.ll 
Make these two test cases more generic for other architectures.
Please refer to '[DebugInfo] Convert intrinsic llvm.dbg.label to
MachineInstr.'

Patch by Hsiangkai Wang

llvm-svn: 331853
 2018-05-09 07:09:28 +00:00
Shiva Chen cd070cdc94 [DebugInfo] Convert intrinsic llvm.dbg.label to MachineInstr. 
In order to convert LLVM IR to MachineInstr, we need a new TargetOpcode,
DBG_LABEL, to ‘lower’ intrinsic llvm.dbg.label. The patch
creates this new TargetOpcode and convert intrinsic llvm.dbg.label to
MachineInstr through SelectionDAG.

In SelectionDAG, debug information is stored in SDDbgInfo. We create a
new data member of SDDbgInfo for labels and use the new data member,
SDDbgLabel, to create DBG_LABEL MachineInstr.

The new DBG_LABEL MachineInstr uses label metadata from LLVM IR as its
parameter. So, the backend could get metadata information of labels from
DBG_LABEL MachineInstr.

Differential Revision: https://reviews.llvm.org/D45341

Patch by Hsiangkai Wang.

llvm-svn: 331842
 2018-05-09 02:41:08 +00:00