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Add doxygenified comments to functions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13097 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-04-21 18:36:43 +00:00
parent af76cfb0fb
commit 8c194eaa05
1 changed files with 18 additions and 0 deletions
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18
tools/bugpoint/Miscompilation.cpp
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@ -42,6 +42,9 @@ namespace {
};
}
/// TestResult - After passes have been split into a test group and a control
/// group, see if they still break the program.
///
ReduceMiscompilingPasses::TestResult
ReduceMiscompilingPasses::doTest(std::vector<const PassInfo*> &Prefix,
std::vector<const PassInfo*> &Suffix) {
@ -159,6 +162,7 @@ namespace {
/// matches, return false, otherwise return true. If the DeleteInputs argument
/// is set to true then this function deletes both input modules before it
/// returns.
///
static bool TestMergedProgram(BugDriver &BD, Module *M1, Module *M2,
bool DeleteInputs) {
// Link the two portions of the program back to together.
@ -183,6 +187,10 @@ static bool TestMergedProgram(BugDriver &BD, Module *M1, Module *M2,
return Broken;
}
/// TestFuncs - split functions in a Module into two groups: those that are
/// under consideration for miscompilation vs. those that are not, and test
/// accordingly. Each group of functions becomes a separate Module.
///
bool ReduceMiscompilingFunctions::TestFuncs(const std::vector<Function*>&Funcs){
// Test to see if the function is misoptimized if we ONLY run it on the
// functions listed in Funcs.
@ -201,6 +209,9 @@ bool ReduceMiscompilingFunctions::TestFuncs(const std::vector<Function*>&Funcs){
return TestFn(BD, ToOptimize, ToNotOptimize);
}
/// DisambiguateGlobalSymbols - Mangle symbols to guarantee uniqueness by
/// modifying predominantly internal symbols rather than external ones.
///
static void DisambiguateGlobalSymbols(Module *M) {
// Try not to cause collisions by minimizing chances of renaming an
// already-external symbol, so take in external globals and functions as-is.
@ -217,6 +228,7 @@ static void DisambiguateGlobalSymbols(Module *M) {
/// ExtractLoops - Given a reduced list of functions that still exposed the bug,
/// check to see if we can extract the loops in the region without obscuring the
/// bug. If so, it reduces the amount of code identified.
///
static bool ExtractLoops(BugDriver &BD,
bool (*TestFn)(BugDriver &, Module *, Module *),
std::vector<Function*> &MiscompiledFunctions) {
@ -306,6 +318,7 @@ static bool ExtractLoops(BugDriver &BD,
/// DebugAMiscompilation - This is a generic driver to narrow down
/// miscompilations, either in an optimization or a code generator.
///
static std::vector<Function*>
DebugAMiscompilation(BugDriver &BD,
bool (*TestFn)(BugDriver &, Module *, Module *)) {
@ -355,6 +368,7 @@ DebugAMiscompilation(BugDriver &BD,
/// TestOptimizer - This is the predicate function used to check to see if the
/// "Test" portion of the program is misoptimized. If so, return true. In any
/// case, both module arguments are deleted.
///
static bool TestOptimizer(BugDriver &BD, Module *Test, Module *Safe) {
// Run the optimization passes on ToOptimize, producing a transformed version
// of the functions being tested.
@ -412,6 +426,7 @@ bool BugDriver::debugMiscompilation() {
/// CleanupAndPrepareModules - Get the specified modules ready for code
/// generator testing.
///
static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
Module *Safe) {
// Clean up the modules, removing extra cruft that we don't need anymore...
@ -551,6 +566,7 @@ static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
/// TestCodeGenerator - This is the predicate function used to check to see if
/// the "Test" portion of the program is miscompiled by the code generator under
/// test. If so, return true. In any case, both module arguments are deleted.
///
static bool TestCodeGenerator(BugDriver &BD, Module *Test, Module *Safe) {
CleanupAndPrepareModules(BD, Test, Safe);
@ -587,6 +603,8 @@ static bool TestCodeGenerator(BugDriver &BD, Module *Test, Module *Safe) {
}
/// debugCodeGenerator - debug errors in LLC, LLI, or CBE.
///
bool BugDriver::debugCodeGenerator() {
if ((void*)cbe == (void*)Interpreter) {
std::string Result = executeProgramWithCBE("bugpoint.cbe.out");