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Add a new helper function, AddOpt(F1, F1, Opt), as part of PR13574. No

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functional change intended.  Patch by Weiming Zhao <weimingz@codeaurora.org>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162363 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2012-08-22 16:52:57 +00:00
parent 05d96f98cb
commit d7e2525a6d
1 changed files with 15 additions and 14 deletions
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29
lib/Transforms/Scalar/SimplifyLibCalls.cpp
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@ -1551,6 +1551,8 @@ namespace {
initializeSimplifyLibCallsPass(*PassRegistry::getPassRegistry());
}
void AddOpt(LibFunc::Func F, LibCallOptimization* Opt);
void AddOpt(LibFunc::Func F1, LibFunc::Func F2, LibCallOptimization* Opt);
void InitOptimizations();
bool runOnFunction(Function &F);
@ -1586,6 +1588,12 @@ void SimplifyLibCalls::AddOpt(LibFunc::Func F, LibCallOptimization* Opt) {
Optimizations[TLI->getName(F)] = Opt;
}
void SimplifyLibCalls::AddOpt(LibFunc::Func F1, LibFunc::Func F2,
LibCallOptimization* Opt) {
if (TLI->has(F1) && TLI->has(F2))
Optimizations[TLI->getName(F1)] = Opt;
}
/// Optimizations - Populate the Optimizations map with all the optimizations
/// we know.
void SimplifyLibCalls::InitOptimizations() {
@ -1641,20 +1649,13 @@ void SimplifyLibCalls::InitOptimizations() {
Optimizations["llvm.exp2.f64"] = &Exp2;
Optimizations["llvm.exp2.f32"] = &Exp2;
if (TLI->has(LibFunc::fabs) && TLI->has(LibFunc::fabsf))
Optimizations["fabs"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::floor) && TLI->has(LibFunc::floorf))
Optimizations["floor"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::ceil) && TLI->has(LibFunc::ceilf))
Optimizations["ceil"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::round) && TLI->has(LibFunc::roundf))
Optimizations["round"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::rint) && TLI->has(LibFunc::rintf))
Optimizations["rint"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::nearbyint) && TLI->has(LibFunc::nearbyintf))
Optimizations["nearbyint"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::trunc) && TLI->has(LibFunc::truncf))
Optimizations["trunc"] = &UnaryDoubleFP;
AddOpt(LibFunc::ceil, LibFunc::ceilf, &UnaryDoubleFP);
AddOpt(LibFunc::fabs, LibFunc::fabsf, &UnaryDoubleFP);
AddOpt(LibFunc::floor, LibFunc::floorf, &UnaryDoubleFP);
AddOpt(LibFunc::rint, LibFunc::rintf, &UnaryDoubleFP);
AddOpt(LibFunc::round, LibFunc::roundf, &UnaryDoubleFP);
AddOpt(LibFunc::nearbyint, LibFunc::nearbyintf, &UnaryDoubleFP);
AddOpt(LibFunc::trunc, LibFunc::truncf, &UnaryDoubleFP);
// Integer Optimizations
Optimizations["ffs"] = &FFS;