Mercurial > projects > ldc
annotate gen/optimizer.cpp @ 883:b52d5de7783f
GC defines and linkage changes.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Thu, 08 Jan 2009 18:20:02 +0100 |
| parents | 6aaa3d3c1183 |
| children | e40c65bd8c5d |
| rev | line source |
|---|---|
| 125 | 1 #include "llvm/PassManager.h" |
| 2 #include "llvm/LinkAllPasses.h" | |
| 3 #include "llvm/Analysis/LoopPass.h" | |
| 4 #include "llvm/Target/TargetData.h" | |
| 5 | |
| 6 using namespace llvm; | |
| 7 | |
| 8 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 9 | |
| 10 // this function runs some or all of the std-compile-opts passes depending on the | |
| 11 // optimization level given. | |
| 12 | |
|
663
6aaa3d3c1183
First part of rename to LDC.
Christian Kamm <kamm incasoftware de>
parents:
607
diff
changeset
|
13 void ldc_optimize_module(Module* m, char lvl, bool doinline) |
| 125 | 14 { |
| 131 | 15 if (!doinline && lvl < 0) |
| 16 return; | |
| 17 | |
| 125 | 18 PassManager pm; |
| 19 pm.add(new TargetData(m)); | |
| 20 | |
| 131 | 21 // -O0 |
| 22 if (lvl >= 0) | |
| 23 { | |
| 24 //pm.add(createStripDeadPrototypesPass()); | |
| 25 pm.add(createGlobalDCEPass()); | |
| 26 } | |
| 27 | |
| 28 // -O1 | |
| 125 | 29 if (lvl >= 1) |
| 30 { | |
| 31 pm.add(createRaiseAllocationsPass()); | |
| 32 pm.add(createCFGSimplificationPass()); | |
| 33 pm.add(createPromoteMemoryToRegisterPass()); | |
|
129
8096ba7082db
[svn r133] Fixed some problems with inlining not happening :P
lindquist
parents:
125
diff
changeset
|
34 pm.add(createGlobalOptimizerPass()); |
|
8096ba7082db
[svn r133] Fixed some problems with inlining not happening :P
lindquist
parents:
125
diff
changeset
|
35 pm.add(createGlobalDCEPass()); |
| 125 | 36 } |
| 37 | |
| 131 | 38 // -O2 |
| 125 | 39 if (lvl >= 2) |
| 40 { | |
| 41 pm.add(createIPConstantPropagationPass()); | |
| 42 pm.add(createDeadArgEliminationPass()); | |
| 43 pm.add(createInstructionCombiningPass()); | |
|
607
9526b29ae342
Fixed the optimizer thing, since llvm PR 2800 is already fixed, users need to upgrade LLVM to latest svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
605
diff
changeset
|
44 pm.add(createCFGSimplificationPass()); |
| 125 | 45 pm.add(createPruneEHPass()); |
| 46 } | |
| 47 | |
| 131 | 48 // -inline |
| 125 | 49 if (doinline) { |
| 50 pm.add(createFunctionInliningPass()); | |
| 51 } | |
| 52 | |
| 131 | 53 // -O3 |
| 125 | 54 if (lvl >= 3) |
| 55 { | |
| 56 pm.add(createArgumentPromotionPass()); | |
| 57 pm.add(createTailDuplicationPass()); | |
| 58 pm.add(createInstructionCombiningPass()); | |
| 59 pm.add(createCFGSimplificationPass()); | |
| 60 pm.add(createScalarReplAggregatesPass()); | |
| 61 pm.add(createInstructionCombiningPass()); | |
| 62 pm.add(createCondPropagationPass()); | |
| 63 | |
| 64 pm.add(createTailCallEliminationPass()); | |
| 65 pm.add(createCFGSimplificationPass()); | |
| 66 pm.add(createReassociatePass()); | |
| 67 pm.add(createLoopRotatePass()); | |
| 68 pm.add(createLICMPass()); | |
| 69 pm.add(createLoopUnswitchPass()); | |
| 70 pm.add(createInstructionCombiningPass()); | |
| 71 pm.add(createIndVarSimplifyPass()); | |
| 72 pm.add(createLoopUnrollPass()); | |
| 73 pm.add(createInstructionCombiningPass()); | |
| 74 pm.add(createGVNPass()); | |
| 75 pm.add(createSCCPPass()); | |
| 76 | |
| 77 pm.add(createInstructionCombiningPass()); | |
| 78 pm.add(createCondPropagationPass()); | |
| 79 | |
| 80 pm.add(createDeadStoreEliminationPass()); | |
| 81 pm.add(createAggressiveDCEPass()); | |
| 82 pm.add(createCFGSimplificationPass()); | |
| 83 pm.add(createSimplifyLibCallsPass()); | |
| 84 pm.add(createDeadTypeEliminationPass()); | |
| 85 pm.add(createConstantMergePass()); | |
| 86 } | |
| 87 | |
| 131 | 88 // level -O4 and -O5 are linktime optimizations |
| 125 | 89 |
| 131 | 90 pm.run(*m); |
| 125 | 91 } |