projects/ldc: gen/optimizer.cpp annotate

annotate gen/optimizer.cpp @ 1281:29d3861aa2da

Make sure this still compiles after LLVM r70437, which introduces a specialization for command-line option template parser<char> which does the wrong thing for us...

author	Frits van Bommel <fvbommel wxs.nl>
date	Thu, 30 Apr 2009 12:25:04 +0200
parents	bedf0bfb8fdb
children	91d9386d4a5a

rev	line source
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	1 #include "gen/optimizer.h"
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	2 #include "gen/cl_helpers.h"
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	3
1275 bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	4 #include "gen/passes/Passes.h"
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	5
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	6 #include "llvm/PassManager.h"
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	7 #include "llvm/LinkAllPasses.h"
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	8 #include "llvm/Analysis/LoopPass.h"
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	9 #include "llvm/Target/TargetData.h"
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	10 #include "llvm/Support/CommandLine.h"
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	11 #include "llvm/Support/PassNameParser.h"
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	12
1172 b3887714b735 Small cleanup: remove mars.h #include Frits van Bommel <fvbommel wxs.nl> parents: 1171 diff changeset	13 #include "root.h" // error()
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	14
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	15 using namespace llvm;
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	16
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	17 // Allow the user to specify specific optimizations to run.
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	18 static cl::list<const PassInfo*, bool, PassNameParser>
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	19 passList(
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	20 cl::desc("Running specific optimizations:"),
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	21 cl::Hidden // to clean up --help output
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	22 );
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	23
1281 29d3861aa2da Make sure this still compiles after LLVM r70437, which introduces a Frits van Bommel <fvbommel wxs.nl> parents: 1275 diff changeset	24 static cl::opt<unsigned char> optimizeLevel(
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	25 cl::desc("Setting the optimization level:"),
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	26 cl::ZeroOrMore,
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	27 cl::values(
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	28 clEnumValN(2, "O", "Equivalent to -O2"),
1171 461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with Frits van Bommel <fvbommel wxs.nl> parents: 1170 diff changeset	29 clEnumValN(0, "O0", "No optimizations (default)"),
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	30 clEnumValN(1, "O1", "Simple optimizations"),
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	31 clEnumValN(2, "O2", "Good optimizations"),
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	32 clEnumValN(3, "O3", "Aggressive optimizations"),
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	33 clEnumValN(4, "O4", "Link-time optimization"), // not implemented?
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	34 clEnumValN(5, "O5", "Link-time optimization"), // not implemented?
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	35 clEnumValEnd),
1171 461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with Frits van Bommel <fvbommel wxs.nl> parents: 1170 diff changeset	36 cl::init(0));
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	37
1275 bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	38 static cl::opt<bool>
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	39 disableLangSpecificPasses("disable-d-passes",
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	40 cl::desc("Disable D-specific passes in -O<N>"),
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	41 cl::ZeroOrMore);
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	42
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	43 static cl::opt<bool>
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	44 disableSimplifyRuntimeCalls("disable-simplify-drtcalls",
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	45 cl::desc("Disable simplification of runtime calls in -O<N>"),
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	46 cl::ZeroOrMore);
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	47
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	48 static cl::opt<opts::BoolOrDefaultAdapter, false, opts::FlagParser>
cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	49 enableInlining("inlining",
1275 bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	50 cl::desc("(*) Enable function inlining in -O<N>"),
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	51 cl::ZeroOrMore);
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	52
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	53 // Determine whether or not to run the inliner as part of the default list of
cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	54 // optimization passes.
cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	55 // If not explicitly specified, treat as false for -O0-2, and true for -O3.
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	56 bool doInline() {
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	57 return enableInlining == cl::BOU_TRUE
cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	58 \|\| (enableInlining == cl::BOU_UNSET && optimizeLevel >= 3);
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	59 }
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	60
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	61 // Some extra accessors for the linker: (llvm-ld version only, currently unused?)
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	62 int optLevel() {
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	63 return optimizeLevel;
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	64 }
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	65
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	66 bool optimize() {
1267 381c3ee0ca00 Fix a logic bug. Frits van Bommel <fvbommel wxs.nl> parents: 1220 diff changeset	67 return optimizeLevel \|\| doInline() \|\| !passList.empty();
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	68 }
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	69
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	70 // this function inserts some or all of the std-compile-opts passes depending on the
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	71 // optimization level given.
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	72 static void addPassesForOptLevel(PassManager& pm) {
1171 461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with Frits van Bommel <fvbommel wxs.nl> parents: 1170 diff changeset	73 // -O1
461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with Frits van Bommel <fvbommel wxs.nl> parents: 1170 diff changeset	74 if (optimizeLevel >= 1)
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	75 {
5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	76 //pm.add(createStripDeadPrototypesPass());
5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	77 pm.add(createGlobalDCEPass());
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	78 pm.add(createRaiseAllocationsPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	79 pm.add(createCFGSimplificationPass());
1219 a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	80 if (optimizeLevel == 1)
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	81 pm.add(createPromoteMemoryToRegisterPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	82 else
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	83 pm.add(createScalarReplAggregatesPass());
129 8096ba7082db [svn r133] Fixed some problems with inlining not happening :P lindquist parents: 125 diff changeset	84 pm.add(createGlobalOptimizerPass());
8096ba7082db [svn r133] Fixed some problems with inlining not happening :P lindquist parents: 125 diff changeset	85 pm.add(createGlobalDCEPass());
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	86 }
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	87
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	88 // -O2
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	89 if (optimizeLevel >= 2)
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	90 {
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	91 pm.add(createIPConstantPropagationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	92 pm.add(createDeadArgEliminationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	93 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	94 pm.add(createCFGSimplificationPass());
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	95 pm.add(createPruneEHPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	96 }
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	97
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	98 // -inline
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	99 if (doInline()) {
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	100 pm.add(createFunctionInliningPass());
1219 a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	101
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	102 if (optimizeLevel >= 2) {
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	103 // Run some optimizations to clean up after inlining.
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	104 pm.add(createInstructionCombiningPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	105 pm.add(createScalarReplAggregatesPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	106
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	107 // Inline again, to catch things like foreach delegates
1220 e945d2a0999e Fix typo in comment Frits van Bommel <fvbommel wxs.nl> parents: 1219 diff changeset	108 // passed to inlined opApply's where the function wasn't
1219 a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	109 // known during the first inliner pass.
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	110 pm.add(createFunctionInliningPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	111
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	112 // Run clean-up again.
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	113 pm.add(createInstructionCombiningPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	114 pm.add(createScalarReplAggregatesPass());
a0844cc67840 Tweak some optimizations. Frits van Bommel <fvbommel wxs.nl> parents: 1175 diff changeset	115 }
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	116 }
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	117
1275 bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	118 if (optimizeLevel >= 2 && !disableLangSpecificPasses
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	119 && !disableSimplifyRuntimeCalls) {
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	120 pm.add(createSimplifyDRuntimeCalls());
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	121 }
bedf0bfb8fdb Implement first D-specific optimization pass: -simplify-drtcalls. Frits van Bommel <fvbommel wxs.nl> parents: 1268 diff changeset	122
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	123 // -O3
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	124 if (optimizeLevel >= 3)
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	125 {
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	126 pm.add(createArgumentPromotionPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	127 pm.add(createTailDuplicationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	128 pm.add(createInstructionCombiningPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	129 pm.add(createCFGSimplificationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	130 pm.add(createScalarReplAggregatesPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	131 pm.add(createInstructionCombiningPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	132 pm.add(createCondPropagationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	133
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	134 pm.add(createTailCallEliminationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	135 pm.add(createCFGSimplificationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	136 pm.add(createReassociatePass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	137 pm.add(createLoopRotatePass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	138 pm.add(createLICMPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	139 pm.add(createLoopUnswitchPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	140 pm.add(createInstructionCombiningPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	141 pm.add(createIndVarSimplifyPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	142 pm.add(createLoopUnrollPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	143 pm.add(createInstructionCombiningPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	144 pm.add(createGVNPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	145 pm.add(createSCCPPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	146
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	147 pm.add(createInstructionCombiningPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	148 pm.add(createCondPropagationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	149
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	150 pm.add(createDeadStoreEliminationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	151 pm.add(createAggressiveDCEPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	152 pm.add(createCFGSimplificationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	153 pm.add(createSimplifyLibCallsPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	154 pm.add(createDeadTypeEliminationPass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	155 pm.add(createConstantMergePass());
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	156 }
c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	157
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	158 // level -O4 and -O5 are linktime optimizations
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	159 }
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	160
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	161 //////////////////////////////////////////////////////////////////////////////////////////
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	162 // This function runs optimization passes based on command line arguments.
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	163 // Returns true if any optimization passes were invoked.
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	164 bool ldc_optimize_module(llvm::Module* m)
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	165 {
1268 4ae3b3ceea11 Remove a bit of code duplication. Frits van Bommel <fvbommel wxs.nl> parents: 1267 diff changeset	166 if (!optimize())
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	167 return false;
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	168
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	169 PassManager pm;
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	170 pm.add(new TargetData(m));
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	171
1175 cc1efa23030a Enable inlining by default for -O3+. Frits van Bommel <fvbommel wxs.nl> parents: 1172 diff changeset	172 bool optimize = optimizeLevel != 0 \|\| doInline();
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	173
1171 461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with Frits van Bommel <fvbommel wxs.nl> parents: 1170 diff changeset	174 unsigned optPos = optimizeLevel != 0
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	175 ? optimizeLevel.getPosition()
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	176 : enableInlining.getPosition();
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	177
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	178 for (size_t i = 0; i < passList.size(); i++) {
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	179 // insert -O<N> / -enable-inlining in right position
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	180 if (optimize && optPos < passList.getPosition(i)) {
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	181 addPassesForOptLevel(pm);
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	182 optimize = false;
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	183 }
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	184
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	185 const PassInfo* pass = passList[i];
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	186 if (PassInfo::NormalCtor_t ctor = pass->getNormalCtor()) {
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	187 pm.add(ctor());
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	188 } else {
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	189 const char* arg = pass->getPassArgument(); // may return null
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	190 if (arg)
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	191 error("Can't create pass '-%s' (%s)", arg, pass->getPassName());
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	192 else
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	193 error("Can't create pass (%s)", pass->getPassName());
1172 b3887714b735 Small cleanup: remove mars.h #include Frits van Bommel <fvbommel wxs.nl> parents: 1171 diff changeset	194 assert(0); // Should be unreachable; root.h:error() calls exit()
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	195 }
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	196 }
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	197 // insert -O<N> / -enable-inlining if specified at the end,
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	198 if (optimize)
e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	199 addPassesForOptLevel(pm);
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	200
131 5825d48b27d1 [svn r135] * Merged DMD 1.025 * lindquist parents: 129 diff changeset	201 pm.run(*m);
1170 e40c65bd8c5d Allow specific optimization passes to be requested from the command line. Frits van Bommel <fvbommel wxs.nl> parents: 663 diff changeset	202 return true;
125 c42d245468ea [svn r129] Started AA literals. lindquist parents: diff changeset	203 }

Mercurial > projects > ldc

annotate gen/optimizer.cpp @ 1281:29d3861aa2da