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Enable inlining by default for -O3+.

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This commit is contained in:
Frits van Bommel 2009-03-29 19:38:59 +02:00
parent aa508e792a
commit 424bb88da0
2 changed files with 32 additions and 11 deletions
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25
gen/optimizer.cpp
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@ -1,4 +1,5 @@
#include "gen/optimizer.h"
#include "gen/cl_helpers.h"
#include "llvm/PassManager.h"
#include "llvm/LinkAllPasses.h"
@ -32,22 +33,26 @@ static cl::opt<char> optimizeLevel(
clEnumValEnd),
cl::init(0));
static cl::opt<bool> enableInlining("enable-inlining",
cl::desc("Enable function inlining (in -O<N>, if given)"),
cl::ZeroOrMore,
cl::init(false));
static cl::opt<opts::BoolOrDefaultAdapter, false, opts::FlagParser>
enableInlining("inlining",
cl::desc("(*) Enable function inlining (in -O<N>, if given)"),
cl::ZeroOrMore);
// Some accessors for the linker: (llvm-ld version only, currently unused?)
// Determine whether or not to run the inliner as part of the default list of
// optimization passes.
// If not explicitly specified, treat as false for -O0-2, and true for -O3.
bool doInline() {
return enableInlining;
return enableInlining == cl::BOU_TRUE
|| (enableInlining == cl::BOU_UNSET && optimizeLevel >= 3);
}
// Some extra accessors for the linker: (llvm-ld version only, currently unused?)
int optLevel() {
return optimizeLevel;
}
bool optimize() {
return optimizeLevel || enableInlining || passList.empty();
return optimizeLevel || doInline() || passList.empty();
}
// this function inserts some or all of the std-compile-opts passes depending on the
@ -76,7 +81,7 @@ static void addPassesForOptLevel(PassManager& pm) {
}
// -inline
if (enableInlining) {
if (doInline()) {
pm.add(createFunctionInliningPass());
}
@ -123,13 +128,13 @@ static void addPassesForOptLevel(PassManager& pm) {
// Returns true if any optimization passes were invoked.
bool ldc_optimize_module(llvm::Module* m)
{
if (!enableInlining && optimizeLevel == 0 && passList.empty())
if (!doInline() && optimizeLevel == 0 && passList.empty())
return false;
PassManager pm;
pm.add(new TargetData(m));
bool optimize = optimizeLevel != 0 || enableInlining;
bool optimize = optimizeLevel != 0 || doInline();
unsigned optPos = optimizeLevel != 0
? optimizeLevel.getPosition()