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Duncan P. N. Exon Smith 1cfbb6358c IR: Reduce RAUW traffic in ConstantExpr 
Avoid RAUW-ing `ConstantExpr` when an operand changes unless the new
`ConstantExpr` already has users.  This prevents the RAUW from rippling
up the expression tree unnecessarily.

This commit indirectly adds test coverage for r215953 (this is how I
came across the bug).

This is part of PR20515.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215960 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-19 01:12:53 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings [OCaml] Expose Llvm.get_operand_use. 2014-08-12 02:55:45 +00:00
cmake Disabling an MSVC warning ('var' : definition from the for loop is ignored; the definition from the enclosing scope is used) which will trigger false positives more than true positives. 2014-08-18 14:54:22 +00:00
docs [LIT]Correct name of global lit configuration object to be lit_config (not lit). 2014-08-15 05:54:19 +00:00
examples Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +00:00
include IR: Reduce RAUW traffic in ConstantExpr 2014-08-19 01:12:53 +00:00
lib IR: Reduce RAUW traffic in ConstantExpr 2014-08-19 01:12:53 +00:00
projects
test verify-uselistorder: Call verifyModule() and improve output 2014-08-18 23:44:14 +00:00
tools verify-uselistorder: Call verifyModule() and improve output 2014-08-18 23:44:14 +00:00
unittests Convert an ownership comment with std::uinque_ptr. 2014-08-17 22:20:33 +00:00
utils TableGen: allow use of uint64_t for available features mask. 2014-08-18 11:49:42 +00:00
.arcconfig
.clang-format
.gitignore
CMakeLists.txt Fix building with in-tree libc++abi on FreeBSD 2014-08-01 19:23:15 +00:00
CODE_OWNERS.TXT Add a sentence that all entries should include an email address. 2014-08-04 19:33:25 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Test commit access 2014-08-09 16:05:23 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
README.txt

README.txt 

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