Jakob Stoklund Olesen 9571cb56c5 Don't PRE compares. ...

CodeGenPrepare sinks compare instructions down to their uses to prevent
live flags and predicate registers across basic blocks.

PRE of a compare instruction prevents that, forcing the i1 compare
result into a general purpose register.  That is usually more expensive
than the redundant compare PRE was trying to eliminate in the first
place.

llvm-svn: 153657

2012-03-29 17:22:39 +00:00

..

ADCE.cpp

The landingpad instruction isn't dead simply because it's value isn't used.

2011-08-19 21:52:06 +00:00

BasicBlockPlacement.cpp

Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which

2010-10-19 17:21:58 +00:00

CMakeLists.txt

build/CMake: Finish removal of add_llvm_library_dependencies.

2011-11-29 19:25:30 +00:00

CodeGenPrepare.cpp

Refactor the interface to recursively simplifying instructions to be tad

2012-03-24 21:11:24 +00:00

ConstantProp.cpp

Last bit of TargetLibraryInfo propagation. Also fixed a case for TargetData

2011-12-01 21:29:16 +00:00

CorrelatedValuePropagation.cpp

llvm::SwitchInst

2012-03-11 06:09:17 +00:00

DCE.cpp

Remove unused STL header includes.

2011-04-23 19:53:52 +00:00

DeadStoreElimination.cpp

Reverted r152620 - DSE: Shorten memset when a later store overwrites the start of it. There were all sorts of buildbot issues

2012-02-28 05:06:24 +00:00

EarlyCSE.cpp

bz11794 : EarlyCSE stack overflow on long functions.

2012-01-31 23:14:41 +00:00

GlobalMerge.cpp

Fix various issues (or do cleanups) found by enabling certain MSVC warnings.

2012-02-13 06:30:56 +00:00

GVN.cpp

Don't PRE compares.

2012-03-29 17:22:39 +00:00

IndVarSimplify.cpp

More IndVarSimplify cleanup.

2012-03-24 00:51:17 +00:00

JumpThreading.cpp

enhance jump threading to preserve TBAA information when PRE'ing loads,

2012-03-13 18:07:41 +00:00

LICM.cpp

Move Instruction::isSafeToSpeculativelyExecute out of VMCore and

2011-12-14 23:49:11 +00:00

LLVMBuild.txt

LLVMBuild: Remove trailing newline, which irked me.

2011-12-12 19:48:00 +00:00

LoopDeletion.cpp

Don't use PN->replaceUsesOfWith() to change a PHINode's incoming blocks,

2011-06-21 10:02:43 +00:00

LoopIdiomRecognize.cpp

Correct grammar.

2011-09-13 00:44:16 +00:00

LoopInstSimplify.cpp

Propagate TargetLibraryInfo throughout ConstantFolding.cpp and

2011-12-01 03:08:23 +00:00

LoopRotation.cpp

loop-rotate shouldn't hoist alloca instructions out of a loop. Patch by Patrik Hägglund, with slightly modified test. Issue reported by Patrik Hägglund on llvmdev.

2012-02-16 00:41:10 +00:00

LoopStrengthReduce.cpp

LSR ivchain bug fix: corner case with ConstantExpr.

2012-03-26 20:28:37 +00:00

LoopUnrollPass.cpp

Add -unroll-runtime for unrolling loops with run-time trip counts.

2011-12-09 06:19:40 +00:00

LoopUnswitch.cpp

This pass didn't want the inline cost per-se, it just wants generic code

2012-03-15 00:29:10 +00:00

LowerAtomic.cpp

Remove the old atomic instrinsics. autoupgrade functionality is included with this patch.

2011-10-06 23:20:49 +00:00

Makefile

make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.

2010-01-24 20:43:08 +00:00

MemCpyOptimizer.cpp

Fix various issues (or do cleanups) found by enabling certain MSVC warnings.

2012-02-13 06:30:56 +00:00

ObjCARC.cpp

Fix the MSVC build.

2012-03-24 01:36:37 +00:00

Reassociate.cpp

Prune some includes and forward declarations.

2012-03-26 06:58:25 +00:00

Reg2Mem.cpp

Fix a ton of comment typos found by codespell. Patch by

2011-04-15 05:18:47 +00:00

Scalar.cpp

Add a new ObjC ARC optimization pass to eliminate unneeded

2012-01-17 20:52:24 +00:00

ScalarReplAggregates.cpp

Indentation.

2012-03-23 08:29:04 +00:00

SCCP.cpp

Fix 80-column violation.

2012-03-28 00:35:33 +00:00

SimplifyCFGPass.cpp

Convert CallInst and InvokeInst APIs to use ArrayRef.

2011-07-15 08:37:34 +00:00

SimplifyLibCalls.cpp

reapply the patches reverted in r149470 that reenable ConstantDataArray,

2012-02-05 02:29:43 +00:00

Sink.cpp

Move Instruction::isSafeToSpeculativelyExecute out of VMCore and

2011-12-14 23:49:11 +00:00

TailRecursionElimination.cpp

Correct over-zealous removal of hack.

2011-10-17 18:43:40 +00:00