Mercurial > projects > ldc
annotate gen/optimizer.cpp @ 948:780530d1cad3
Revert templates to old behavior.
While emitting a template instantiation only once is good for compile times
and binary sizes, it doesn't work with linkonce linkage as inlined function
bodies could be discarded. Since we don't want to inhibit inlining, templates
are reverted to the previous behavior, where an instantiation is emitted for
each module using it.
In the future, a custom inlining pass may allow us to switch back to
common/weak linkage and reenable smart template instance emission.
author | Christian Kamm <kamm incasoftware de> |
---|---|
date | Sun, 08 Feb 2009 21:44:46 +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 } |