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bb1a25cd67
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9 Commits

Author SHA1 Message Date
Micah Villmow
bb1a25cd67 Move TargetData to DataLayout. 
llvm-svn: 165402
 2012-10-08 16:38:25 +00:00
Benjamin Kramer
b92d13cc42 Make MemoryBuiltins aware of TargetLibraryInfo. 
This disables malloc-specific optimization when -fno-builtin (or -ffreestanding)
is specified. This has been a problem for a long time but became more severe
with the recent memory builtin improvements.

Since the memory builtin functions are used everywhere, this required passing
TLI in many places. This means that functions that now have an optional TLI
argument, like RecursivelyDeleteTriviallyDeadFunctions, won't remove dead
mallocs anymore if the TLI argument is missing. I've updated most passes to do
the right thing.

Fixes PR13694 and probably others.

llvm-svn: 162841
 2012-08-29 15:32:21 +00:00
Chad Rosier
49a66381f7 Propagate TargetLibraryInfo throughout ConstantFolding.cpp and 
InstructionSimplify.cpp.  Other fixups as needed.
Part of rdar://10500969

llvm-svn: 145559
 2011-12-01 03:08:23 +00:00
Duncan Sands
667024a2eb Speed up instsimplify by about 10-15% by not bothering to retry 
InstructionSimplify on instructions that didn't change since the
last time round the loop.

llvm-svn: 122745
 2011-01-03 10:50:04 +00:00
Duncan Sands
74270e8100 Simplify this pass by using a depth-first iterator to ensure that all 
operands are visited before the instructions themselves.

llvm-svn: 122647
 2010-12-31 17:49:05 +00:00
Duncan Sands
ca280dbcd5 Zap dead instructions harder. 
llvm-svn: 122645
 2010-12-31 16:17:54 +00:00
Duncan Sands
c7868f60bc Visit instructions deterministically. Use a FIFO so as to approximately 
visit instructions before their uses, since InstructionSimplify does a
better job in that case.  All this prompted by Frits van Bommel.

llvm-svn: 122343
 2010-12-21 17:08:55 +00:00
Duncan Sands
6e2fd37144 If an instruction simplifies, try again to simplify any uses of it. This is 
not very important since the pass is only used for testing, but it does make
it more realistic.  Suggested by Frits van Bommel.

llvm-svn: 122336
 2010-12-21 16:12:03 +00:00
Duncan Sands
0a1b3c4cee Oops, forgot to add the pass itself! 
llvm-svn: 122265
 2010-12-20 21:07:42 +00:00