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authorDimitry Andric <dim@FreeBSD.org>2015-12-30 11:46:15 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-12-30 11:46:15 +0000
commitdd58ef019b700900793a1eb48b52123db01b654e (patch)
treefcfbb4df56a744f4ddc6122c50521dd3f1c5e196 /lib/Analysis/CodeMetrics.cpp
parent2fe5752e3a7c345cdb59e869278d36af33c13fa4 (diff)
Notes
Diffstat (limited to 'lib/Analysis/CodeMetrics.cpp')
-rw-r--r--lib/Analysis/CodeMetrics.cpp15
1 files changed, 6 insertions, 9 deletions
diff --git a/lib/Analysis/CodeMetrics.cpp b/lib/Analysis/CodeMetrics.cpp
index 46a2c43b1690..4090b4cd752b 100644
--- a/lib/Analysis/CodeMetrics.cpp
+++ b/lib/Analysis/CodeMetrics.cpp
@@ -45,14 +45,8 @@ static void completeEphemeralValues(SmallVector<const Value *, 16> &WorkSet,
continue;
// If all uses of this value are ephemeral, then so is this value.
- bool FoundNEUse = false;
- for (const User *I : V->users())
- if (!EphValues.count(I)) {
- FoundNEUse = true;
- break;
- }
-
- if (FoundNEUse)
+ if (!std::all_of(V->user_begin(), V->user_end(),
+ [&](const User *U) { return EphValues.count(U); }))
continue;
EphValues.insert(V);
@@ -116,7 +110,7 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB,
for (BasicBlock::const_iterator II = BB->begin(), E = BB->end();
II != E; ++II) {
// Skip ephemeral values.
- if (EphValues.count(II))
+ if (EphValues.count(&*II))
continue;
// Special handling for calls.
@@ -155,6 +149,9 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB,
if (isa<ExtractElementInst>(II) || II->getType()->isVectorTy())
++NumVectorInsts;
+ if (II->getType()->isTokenTy() && II->isUsedOutsideOfBlock(BB))
+ notDuplicatable = true;
+
if (const CallInst *CI = dyn_cast<CallInst>(II))
if (CI->cannotDuplicate())
notDuplicatable = true;