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49135bb76c
llvm-6502/test/Bitcode
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Duncan P. N. Exon Smith 49135bb76c Don't upgrade global constructors when reading bitcode 
An optional third field was added to `llvm.global_ctors` (and
`llvm.global_dtors`) in r209015.  Most of the code has been changed to
deal with both versions of the variables.  Users of the C API might
create either version, the helper functions in LLVM create the two-field
version, and clang now creates the three-field version.

However, the BitcodeReader was changed to always upgrade to the
three-field version.  This created an unnecessary inconsistency in the
IR before/after serializing to bitcode.

This commit resolves the inconsistency by making the third field truly
optional (and not upgrading in the bitcode reader).  Since `llvm-link`
was relying on this upgrade code, rather than deleting it I've moved it
into `ModuleLinker`, where it upgrades these arrays as necessary to
resolve inconsistencies between modules.

The ideal resolution would be to remove the 2-field version and make the
third field required.  I filed PR20506 to track that.

I changed `test/Bitcode/upgrade-global-ctors.ll` to a negative test and
duplicated the `llvm-link` check in `test/Linker/global_ctors.ll` to
check both upgrade directions.

Since I came across this as part of PR5680 (serializing use-list order),
I've also added the missing `verify-uselistorder` RUN line to
`test/Bitcode/metadata-2.ll`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215457 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-12 16:46:37 +00:00
..
2006-12-11-Cast-ConstExpr.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
2009-06-11-FirstClassAggregateConstant.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
aggregateInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
aggregateInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
arm32_neon_vcnt_upgrade.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
atomic.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
attributes-3.3.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
attributes-3.3.ll.bc Make .bc en/decoding of AttrKind stable 2013-07-26 04:16:55 +00:00
attributes.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
binaryFloatInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
binaryFloatInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
binaryIntInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
binaryIntInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
bitwiseInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
bitwiseInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
blockaddress.ll UseListOrder: Fix blockaddress use-list order 2014-08-01 22:27:19 +00:00
calling-conventions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
calling-conventions.3.2.ll.bc Ensure bitcode encoding of calling conventions stays stable. Patch by Boaz Ouriel. 2013-12-22 07:51:53 +00:00
case-ranges-3.3.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
case-ranges-3.3.ll.bc Revert patches to add case-range support for PR1255. 2013-09-09 19:14:35 +00:00
cmpxchg-upgrade.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
cmpxchg-upgrade.ll.bc IR: add a second ordering operand to cmpxhg for failure 2014-03-11 10:48:52 +00:00
conversionInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
conversionInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
drop-debug-info.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
extractelement.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
flags.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
function-encoding-rel-operands.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
global-variables.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
global-variables.3.2.ll.bc Ensure bitcode encoding of global variable attributes stays stable. Patch by Boaz Ouriel. 2013-12-15 11:50:45 +00:00
inalloca.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
invalid.ll Change BitcodeReader to use error_code instead of bool + string. 2013-11-04 16:16:24 +00:00
invalid.ll.bc Use a larger invalid attribute bitcode number 2013-10-31 19:12:36 +00:00
linkage-types-3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
linkage-types-3.2.ll.bc Ensure bitcode encoding of linkage types stays stable. Patch by Boaz Ouriel 2013-12-01 10:16:35 +00:00
local-linkage-default-visibility.3.4.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
local-linkage-default-visibility.3.4.ll.bc IR: Don't allow non-default visibility on local linkage 2014-05-07 22:57:20 +00:00
memInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
memInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-03-02 15:26:36 +00:00
metadata-2.ll Don't upgrade global constructors when reading bitcode 2014-08-12 16:46:37 +00:00
metadata.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
miscInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
miscInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-03-02 15:26:36 +00:00
null-type.ll Change BitcodeReader to use error_code instead of bool + string. 2013-11-04 16:16:24 +00:00
null-type.ll.bc
old-aliases.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
old-aliases.ll.bc Fix most of PR10367. 2014-05-16 19:35:39 +00:00
pr18704.ll All new elements except the last one initialized to NULL. Ideally, once parsing is complete, all elements should be non-NULL. 2014-03-27 12:08:23 +00:00
pr18704.ll.bc All new elements except the last one initialized to NULL. Ideally, once parsing is complete, all elements should be non-NULL. 2014-03-27 12:08:23 +00:00
ptest-new.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
ptest-old.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
select.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
shuffle.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
ssse3_palignr.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
tailcall.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
terminatorInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
terminatorInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
upgrade-global-ctors.ll Don't upgrade global constructors when reading bitcode 2014-08-12 16:46:37 +00:00
upgrade-global-ctors.ll.bc Handle ConstantAggregateZero when upgrading global_ctors. 2014-05-17 21:00:22 +00:00
upgrade-loop-metadata.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
upgrade-loop-metadata.ll.bc Add some test files for r211710. 2014-06-25 15:41:39 +00:00
upgrade-tbaa.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
use-list-order.ll UseListOrder: Fix blockaddress use-list order 2014-08-01 22:27:19 +00:00
variableArgumentIntrinsic.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
variableArgumentIntrinsic.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-03-02 15:26:36 +00:00
vectorInstructions.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
vectorInstructions.3.2.ll.bc Ensure bitcode encoding of instructions and their operands stays stable. 2014-02-26 12:06:36 +00:00
visibility-styles.3.2.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
visibility-styles.3.2.ll.bc Ensure bitcode encoding of visibility styles stays stable. Patch by Boaz Ouriel. 2013-12-08 11:35:09 +00:00
weak-cmpxchg-upgrade.ll verify-uselistorder: Change the default -num-shuffles=5 2014-07-31 18:46:24 +00:00
weak-cmpxchg-upgrade.ll.bc IR: add "cmpxchg weak" variant to support permitted failure. 2014-06-13 14:24:07 +00:00