lebedev.ri created this revision.
lebedev.ri added reviewers: george.karpenkov, NoQ, alexfh, sbenza.
Herald added a subscriber: llvm-commits.
lebedev.ri added a dependent revision: D46938: [Timers] TimerGroup: make
printJSONValues() method public.
lebedev.ri added a dependency: D46936: [Timers] TimerGroup::printJSONValues():
print mem timer with .mem suffix.
Although this is not stricly required, i would very much prefer
not to have known random precision losses along the way.
Repository:
rL LLVM
https://reviews.llvm.org/D46937
Files:
lib/Support/Timer.cpp
Index: lib/Support/Timer.cpp
===================================================================
--- lib/Support/Timer.cpp
+++ lib/Support/Timer.cpp
@@ -22,6 +22,8 @@
#include "llvm/Support/Process.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
+#include <limits>
+
using namespace llvm;
// This ugly hack is brought to you courtesy of constructor/destructor ordering
@@ -367,10 +369,12 @@
void TimerGroup::printJSONValue(raw_ostream &OS, const PrintRecord &R,
const char *suffix, double Value) {
assert(yaml::needsQuotes(Name) == yaml::QuotingType::None &&
- "TimerGroup name needs no quotes");
+ "TimerGroup name should not need quotes");
assert(yaml::needsQuotes(R.Name) == yaml::QuotingType::None &&
- "Timer name needs no quotes");
- OS << "\t\"time." << Name << '.' << R.Name << suffix << "\": " << Value;
+ "Timer name should not need quotes");
+ constexpr auto max_digits10 = std::numeric_limits<double>::max_digits10;
+ OS << "\t\"time." << Name << '.' << R.Name << suffix
+ << "\": " << format("%.*e", max_digits10 - 1, Value);
}
const char *TimerGroup::printJSONValues(raw_ostream &OS, const char *delim) {
Index: lib/Support/Timer.cpp
===================================================================
--- lib/Support/Timer.cpp
+++ lib/Support/Timer.cpp
@@ -22,6 +22,8 @@
#include "llvm/Support/Process.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
+#include <limits>
+
using namespace llvm;
// This ugly hack is brought to you courtesy of constructor/destructor ordering
@@ -367,10 +369,12 @@
void TimerGroup::printJSONValue(raw_ostream &OS, const PrintRecord &R,
const char *suffix, double Value) {
assert(yaml::needsQuotes(Name) == yaml::QuotingType::None &&
- "TimerGroup name needs no quotes");
+ "TimerGroup name should not need quotes");
assert(yaml::needsQuotes(R.Name) == yaml::QuotingType::None &&
- "Timer name needs no quotes");
- OS << "\t\"time." << Name << '.' << R.Name << suffix << "\": " << Value;
+ "Timer name should not need quotes");
+ constexpr auto max_digits10 = std::numeric_limits<double>::max_digits10;
+ OS << "\t\"time." << Name << '.' << R.Name << suffix
+ << "\": " << format("%.*e", max_digits10 - 1, Value);
}
const char *TimerGroup::printJSONValues(raw_ostream &OS, const char *delim) {
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