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9 Commits

Author SHA1 Message Date
David Blaikie
65b92c4f37 [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 
update.py:
import fileinput
import sys
import re

alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias"
plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)")
cast  = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)")
gep   = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)")

def conv(line):
  m = re.match(cast, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(gep, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(plain, line)
  if m:
    return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n"
  return line

for line in sys.stdin:
  sys.stdout.write(conv(line))

apply.sh:
for name in "$@"
do
  python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
  rm -f "$name.tmp"
done

The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh

llvm-svn: 247378
 2015-09-11 03:22:04 +00:00
Duncan P. N. Exon Smith
986b92fd8e verify-uselistorder: Force -preserve-bc-use-list-order 
llvm-svn: 216022
 2014-08-19 21:08:27 +00:00
Duncan P. N. Exon Smith
d5508bfe28 verify-uselistorder: Change the default -num-shuffles=5 
Change the default for `-num-shuffles` to 5 and better document the
algorithm in the header docs of `verify-uselistorder`.

llvm-svn: 214419
 2014-07-31 18:46:24 +00:00
Rafael Espindola
9f2d511fe1 Use "weak alias" instead of "alias weak" 
Before this patch we had

@a = weak global ...
but
@b = alias weak ...

The patch changes aliases to look more like global variables.

Looking at some really old code suggests that the reason was that the old
bison based parser had a reduction for alias linkages and another one for
global variable linkages. Putting the alias first avoided the reduce/reduce
conflict.

The days of the old .ll parser are long gone. The new one parses just "linkage"
and a later check is responsible for deciding if a linkage is valid in a
given context.

llvm-svn: 214355
 2014-07-30 22:51:54 +00:00
Duncan P. N. Exon Smith
4af7ebf31b Rename llvm-uselistorder => verify-uselistorder 
llvm-svn: 214318
 2014-07-30 17:11:27 +00:00
Duncan P. N. Exon Smith
1d7b0f97dd Reapply "UseListOrder: Order GlobalValue uses after initializers" 
This reverts commit r214249, reapplying r214242 and r214243, now that
r214270 has fixed the UB.

llvm-svn: 214271
 2014-07-30 01:22:16 +00:00
Duncan P. N. Exon Smith
cc8a88fa18 Revert "UseListOrder: Order GlobalValue uses after initializers" 
This reverts commits r214242 and r214243 while I investigate buildbot
failures [1][2][3].  I can't reproduce these failures locally, so if
anyone can see what I've done wrong, I'd appreciate a note.

[1]: http://lab.llvm.org:8011/builders/llvm-hexagon-elf/builds/9840
[2]: http://lab.llvm.org:8011/builders/clang-hexagon-elf/builds/14981
[3]: http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/15191

llvm-svn: 214249
 2014-07-29 23:31:11 +00:00
Duncan P. N. Exon Smith
cdab8367f8 UseListOrder: Order GlobalValue uses after initializers 
To avoid unnecessary forward references, the reader doesn't process
initializers of `GlobalValue`s until after the constant pool has been
processed, and then in reverse order.  Model this when predicting
use-list order.  This gets two more Bitcode tests passing with
`llvm-uselistorder`.

Part of PR5680.

llvm-svn: 214242
 2014-07-29 23:06:14 +00:00
Duncan P. N. Exon Smith
c74b2b0974 IR: Don't allow non-default visibility on local linkage 
Visibilities of `hidden` and `protected` are meaningless for symbols
with local linkage.

  - Change the assembler to reject non-default visibility on symbols
    with local linkage.

  - Change the bitcode reader to auto-upgrade `hidden` and `protected`
    to `default` when the linkage is local.

  - Update LangRef.

<rdar://problem/16141113>

llvm-svn: 208263
 2014-05-07 22:57:20 +00:00