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Only set output ranges when updating dbg info. 

Summary: Save processing time by setting output ranges when needed.

(cherry picked from FBD3148791)
This commit is contained in:
Maksim Panchenko 2016-04-06 18:03:44 -07:00
parent 4b4db40174
commit e513bfd86d
1 changed files with 17 additions and 15 deletions
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32
bolt/RewriteInstance.cpp
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@ -1397,23 +1397,25 @@ void RewriteInstance::emitFunctions() {
}
}
MCAsmLayout Layout(
static_cast<MCObjectStreamer *>(Streamer.get())->getAssembler());
if (opts::UpdateDebugSections) {
MCAsmLayout Layout(
static_cast<MCObjectStreamer *>(Streamer.get())->getAssembler());
for (auto &BFI : BinaryFunctions) {
auto &Function = BFI.second;
for (auto &BB : Function) {
if (!(BB.getLabel()->isDefined(false) &&
BB.getEndLabel() && BB.getEndLabel()->isDefined(false))) {
continue;
for (auto &BFI : BinaryFunctions) {
auto &Function = BFI.second;
for (auto &BB : Function) {
if (!(BB.getLabel()->isDefined(false) &&
BB.getEndLabel() && BB.getEndLabel()->isDefined(false))) {
continue;
}
uint64_t BaseAddress = (BB.isCold() ? Function.cold().getAddress()
: Function.getAddress());
uint64_t BeginAddress =
BaseAddress + Layout.getSymbolOffset(*BB.getLabel());
uint64_t EndAddress =
BaseAddress + Layout.getSymbolOffset(*BB.getEndLabel());
BB.setOutputAddressRange(std::make_pair(BeginAddress, EndAddress));
}
uint64_t BaseAddress = (BB.isCold() ? Function.cold().getAddress()
: Function.getAddress());
uint64_t BeginAddress =
BaseAddress + Layout.getSymbolOffset(*BB.getLabel());
uint64_t EndAddress =
BaseAddress + Layout.getSymbolOffset(*BB.getEndLabel());
BB.setOutputAddressRange(std::make_pair(BeginAddress, EndAddress));
}
}