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Quentin Colombet 3b2db0bcd3 When code size is the priority (Oz, MinSize attribute), help llvm 
turning a code like this:

if (foo)
   free(foo)

into that:
free(foo)

Move a call to free from basic block FB into FB's predecessor, P,
when the path from P to FB is taken only if the argument of free is
not equal to NULL.

Some restrictions apply on P and FB to be sure that this code motion
is profitable. Namely:
1. FB must have only one predecessor P.
2. FB must contain only the call to free plus an unconditional
   branch to S.
3. P's successors are FB and S.

Because of 1., we will not increase the code size when moving the call
to free from FB to P.
Because of 2., FB will be empty after the move.
Because of 2. and 3., P's branch instruction becomes useless, so as FB
(simplifycfg will do the job).

llvm-svn: 171762
 		2013-01-07 18:37:41 +00:00
..
Analysis Make opt grab the triple from the module and use it to initialize the target machine. 2013-01-01 08:00:32 +00:00
Archive
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Assembler Fast-math test case for bitcode and textual reading/writing 2012-11-27 00:45:08 +00:00
Bindings/Ocaml Move TargetData to DataLayout. 2012-10-08 16:39:34 +00:00
Bitcode Change encoding of instruction operands in bitcode binaries to be relative 2012-10-11 20:20:40 +00:00
BugPoint Fix unexpected passes. These test do work with LTO on linux. I tested both 2012-10-26 02:19:02 +00:00
CodeGen Make the MergeGlobals pass correctly handle the address space qualifiers of the global variables. We partition the set of globals by their address space, and apply the same the trasnformation as before to merge them. 2013-01-07 12:31:25 +00:00
DebugInfo Make test/DebugInfo/member-pointers.ll portable by removing the TargetData 2013-01-07 17:52:49 +00:00
ExecutionEngine llvm/test/ExecutionEngine/MCJIT/lit.local.cfg: ppc32-elf is not ready. 2012-11-20 10:49:01 +00:00
Feature There was a switch fall-through in the parser for textual LLVM that caused 2013-01-07 13:32:38 +00:00
FileCheck Fix a bug in FileCheck that wouldn't let define variables as follows: 2012-12-02 16:02:41 +00:00
Instrumentation [ASan] Fix lifetime intrinsics handling. Now for each intrinsic we check if it describes one of 'interesting' allocas. Assume that allocas can go through casts and phi-nodes before apperaring as llvm.lifetime arguments 2012-12-27 08:50:58 +00:00
Integer Remove the dependent libraries feature. 2012-11-27 09:55:56 +00:00
JitListener Use the 'count' attribute to calculate the upper bound of an array. 2012-12-04 21:34:03 +00:00
Linker Remove the dependent libraries feature. 2012-11-27 09:55:56 +00:00
MC Fix suffix handling for parsing and printing of cvtsi2ss, cvtsi2sd, cvtss2si, cvttss2si, cvtsd2si, and cvttsd2si to match gas behavior. 2013-01-06 20:39:29 +00:00
Object [Object][ELF] Fix incorrect size of members for the 64 version of Elf_Phdr_Impl. 2013-01-06 03:57:11 +00:00
Other Using "not grep" is brittle as the test passes if llvm-as fails. 2012-11-21 14:17:23 +00:00
Scripts Added program header emission 2012-11-16 20:51:32 +00:00
TableGen Fix typo, which prevent test from being check. 2012-12-12 21:10:56 +00:00
Transforms When code size is the priority (Oz, MinSize attribute), help llvm 2013-01-07 18:37:41 +00:00
Unit
…
Verifier Assert that dominates is not given a multiple edge. Finding out if we have 2012-08-17 18:21:28 +00:00
YAMLParser Convert the uses of '|&' to use '2>&1 |' instead, which works on old 2012-07-02 18:37:59 +00:00
tools PR10867: Analogue of r169441 for when using external 'sh'. And actually run the test! 2012-12-05 23:15:33 +00:00
CMakeLists.txt Adding tests for the Intel JIT event listener's MCJIT support. 2012-11-21 20:38:26 +00:00
Makefile Drop the address space limit for tests in the makefile build. 2012-12-09 10:34:22 +00:00
Makefile.tests
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TestRunner.sh
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lit.cfg Adding tests for the Intel JIT event listener's MCJIT support. 2012-11-21 20:38:26 +00:00
lit.site.cfg.in Adding tests for the Intel JIT event listener's MCJIT support. 2012-11-21 20:38:26 +00:00