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AsmParser/Bitcode: Add support for MDLocation

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This adds assembly and bitcode support for `MDLocation`.  The assembly
side is rather big, since this is the first `MDNode` subclass (that
isn't `MDTuple`).  Part of PR21433.

(If you're wondering where the mountains of testcase updates are, we
don't need them until I update `DILocation` and `DebugLoc` to actually
use this class.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225830 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-01-13 21:10:44 +00:00
parent 7c06364dc0
commit 3b0fe4ec0a
15 changed files with 284 additions and 5 deletions
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include/llvm/Bitcode/LLVMBitCodes.h
+1 -1
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@@ -142,7 +142,7 @@ namespace bitc {
METADATA_NAME = 4, // STRING: [values]
METADATA_DISTINCT_NODE = 5, // DISTINCT_NODE: [n x md num]
METADATA_KIND = 6, // [n x [id, name]]
// 7 is unused.
METADATA_LOCATION = 7, // [distinct, line, col, scope, inlined-at?]
METADATA_OLD_NODE = 8, // OLD_NODE: [n x (type num, value num)]
METADATA_OLD_FN_NODE = 9, // OLD_FN_NODE: [n x (type num, value num)]
METADATA_NAMED_NODE = 10, // NAMED_NODE: [n x mdnodes]