Andrew Trick 160bea48cf Preserve branch profile metadata during switch formation. ... Patch by Michael Ilseman! This fixes SimplifyCFGOpt::FoldValueComparisonIntoPredecessors to preserve metata when folding conditional branches into switches. void foo(int x) { if (x == 0) bar(1); else if (__builtin_expect(x == 10, 1)) bar(2); else if (x == 20) bar(3); } CFG: B0 | \ | X0 B10 | \ | X10 B20 | \ E X20 Merge B0-B10: w(B0-X0) = w(B0-X0)*sum-weights(B10) = w(B0-X0) * (w(B10-X10) + w(B10-B20)) w(B0-X10) = w(B0-B10) * w(B10-X10) w(B0-B20) = w(B0-B10) * w(B10-B20) B0 __ | \ \ | X10 X0 B20 | \ E X20 Merge B0-B20: w(B0-X0) = w(B0-X0) * sum-weights(B20) = w(B0-X0) * (w(B20-E) + w(B20-X20)) w(B0-X10) = w(B0-X10) * sum-weights(B20) = ... w(B0-X20) = w(B0-B20) * w(B20-X20) w(B0-E) = w(B0-B20) * w(B20-E) llvm-svn: 162868		2012-08-29 21:46:38 +00:00
..
AddrModeMatcher.cpp	Add a little heuristic to Value::isUsedInBasicBlock to speed it up for small basic blocks.	2011-12-05 17:23:27 +00:00
BasicBlockUtils.cpp	Make MemoryBuiltins aware of TargetLibraryInfo.	2012-08-29 15:32:21 +00:00
BreakCriticalEdges.cpp	Second attempt at PR12573:	2012-04-30 10:44:54 +00:00
BuildLibCalls.cpp	remove tabs from my previous commit.	2012-08-01 17:13:28 +00:00
CloneFunction.cpp	Move lib/Analysis/DebugInfo.cpp to lib/VMCore/DebugInfo.cpp and	2012-06-28 00:05:13 +00:00
CloneModule.cpp	Extend the IL for selecting TLS models (PR9788)	2012-06-23 11:37:03 +00:00
CMakeLists.txt	llvm/lib: [CMake] Add explicit dependency to intrinsics_gen.	2012-06-24 13:32:01 +00:00
CmpInstAnalysis.cpp	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
CodeExtractor.cpp	Fixed r158979.	2012-06-22 14:53:30 +00:00
DemoteRegToStack.cpp	Remove redundant comment. Use a more efficient datatype.	2012-02-17 02:12:54 +00:00
InlineFunction.cpp	Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h	2012-06-29 12:38:19 +00:00
InstructionNamer.cpp
LCSSA.cpp	There is no need to force DebugLoc on a PHI at this point.	2011-05-16 22:05:03 +00:00
LLVMBuild.txt	LLVMBuild: Remove trailing newline, which irked me.	2011-12-12 19:48:00 +00:00
Local.cpp	Make MemoryBuiltins aware of TargetLibraryInfo.	2012-08-29 15:32:21 +00:00
LoopSimplify.cpp	LoopSimplify bug fix. Handle indirect loop back edges.	2012-03-20 21:24:52 +00:00
LoopUnroll.cpp	LoopUnroll: always check for NULL LoopPassManager	2012-06-05 17:51:05 +00:00
LoopUnrollRuntime.cpp	Fix typos found by http://github.com/lyda/misspell-check	2012-06-02 10:20:22 +00:00
LowerExpectIntrinsic.cpp	Move llvm/Support/MDBuilder.h to llvm/MDBuilder.h, to live with	2012-07-15 23:26:50 +00:00
LowerInvoke.cpp	[unwind removal] We no longer have 'unwind' instructions being generated, so	2012-02-06 21:16:41 +00:00
LowerSwitch.cpp	Reverted r156659, due to probable performance regressions, DenseMap should be used here:	2012-07-04 05:53:05 +00:00
Makefile
Mem2Reg.cpp
ModuleUtils.cpp	Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h	2012-06-29 12:38:19 +00:00
PromoteMemoryToRegister.cpp	The DIBuilder class is just a wrapper around debug info creation	2012-06-29 08:32:07 +00:00
SimplifyCFG.cpp	Preserve branch profile metadata during switch formation.	2012-08-29 21:46:38 +00:00
SimplifyIndVar.cpp	Remove unused private fields found by clang's new -Wunused-private-field.	2012-06-06 18:25:08 +00:00
SimplifyInstructions.cpp	Make MemoryBuiltins aware of TargetLibraryInfo.	2012-08-29 15:32:21 +00:00
SSAUpdater.cpp	Fix undefined behavior (binding a reference to a dereferenced null pointer) if	2012-08-17 21:42:44 +00:00
UnifyFunctionExitNodes.cpp	[unwind removal] We no longer have 'unwind' instructions being generated, so	2012-02-06 21:16:41 +00:00
Utils.cpp
ValueMapper.cpp	We need to map DebugLoc. It leads to Fuction * (through subprogram entry node) which should be appropriately mapped.	2011-08-04 20:02:18 +00:00