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Code Cleanup.

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(See http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090831/086139.html)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80909 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andreas Neustifter
2009-09-03 08:41:05 +00:00
parent 3a22ff3eac
commit 4c2c53353e
1 changed files with 9 additions and 16 deletions
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25
lib/Analysis/ProfileInfoLoader.cpp
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@@ -32,6 +32,13 @@ static inline unsigned ByteSwap(unsigned Var, bool Really) {
((Var & (255<<24)) >> 24); ((Var & (255<<24)) >> 24);
} }
static const unsigned AddCounts(unsigned A, unsigned B) {
// If either value is undefined, use the other.
if (A == ~0U) return B;
if (B == ~0U) return A;
return A + B;
}
static void ReadProfilingBlock(const char *ToolName, FILE *F, static void ReadProfilingBlock(const char *ToolName, FILE *F,
bool ShouldByteSwap, bool ShouldByteSwap,
std::vector<unsigned> &Data) { std::vector<unsigned> &Data) {
@@ -62,25 +69,11 @@ static void ReadProfilingBlock(const char *ToolName, FILE *F,
// Accumulate the data we just read into the data. // Accumulate the data we just read into the data.
if (!ShouldByteSwap) { if (!ShouldByteSwap) {
for (unsigned i = 0; i != NumEntries; ++i) { for (unsigned i = 0; i != NumEntries; ++i) {
unsigned data = TempSpace[i]; Data[i] = AddCounts(TempSpace[i], Data[i]);
if (data != (unsigned)-1) { // only load data if its not MissingVal
if (Data[i] == (unsigned)-1) {
Data[i] = data; // if data is still initialised
} else {
Data[i] += data;
}
}
} }
} else { } else {
for (unsigned i = 0; i != NumEntries; ++i) { for (unsigned i = 0; i != NumEntries; ++i) {
unsigned data = ByteSwap(TempSpace[i], true); Data[i] = AddCounts(ByteSwap(TempSpace[i], true), Data[i]);
if (data != (unsigned)-1) { // only load data if its not MissingVal
if (Data[i] == (unsigned)-1) {
Data[i] = data;
} else {
Data[i] += data;
}
}
} }
} }
} }