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DependenceAnalysis: Print all dependency pairs when dumping. Update all testcases.

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Part of a patch by Preston Briggs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167827 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2012-11-13 12:12:02 +00:00
parent ad1cc1d1bf
commit 563e8fce2e
16 changed files with 2593 additions and 1383 deletions
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lib/Analysis/DependenceAnalysis.cpp
+5 -8
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@@ -145,22 +145,20 @@ void DependenceAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
// Used to test the dependence analyzer.
// Looks through the function, noting the first store instruction
// and the first load instruction
// (which always follows the first load in our tests).
// Calls depends() and prints out the result.
// Looks through the function, noting loads and stores.
// Calls depends() on every possible pair and prints out the result.
// Ignores all other instructions.
static
void dumpExampleDependence(raw_ostream &OS, Function *F,
DependenceAnalysis *DA) {
for (inst_iterator SrcI = inst_begin(F), SrcE = inst_end(F);
SrcI != SrcE; ++SrcI) {
if (const StoreInst *Src = dyn_cast<StoreInst>(&*SrcI)) {
if (isa<StoreInst>(*SrcI) || isa<LoadInst>(*SrcI)) {
for (inst_iterator DstI = SrcI, DstE = inst_end(F);
DstI != DstE; ++DstI) {
if (const LoadInst *Dst = dyn_cast<LoadInst>(&*DstI)) {
if (isa<StoreInst>(*DstI) || isa<LoadInst>(*DstI)) {
OS << "da analyze - ";
if (Dependence *D = DA->depends(Src, Dst, true)) {
if (Dependence *D = DA->depends(&*SrcI, &*DstI, true)) {
D->dump(OS);
for (unsigned Level = 1; Level <= D->getLevels(); Level++) {
if (D->isSplitable(Level)) {
@@ -173,7 +171,6 @@ void dumpExampleDependence(raw_ostream &OS, Function *F,
}
else
OS << "none!\n";
return;
}
}
}