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Give CaptureTracker::shouldExplore a base implementation. Most users want to do

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the same thing. No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2012-10-08 22:12:48 +00:00
parent 6be75ae196
commit c92b8aa79f
3 changed files with 3 additions and 5 deletions
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2
include/llvm/Analysis/CaptureTracking.h
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@ -46,7 +46,7 @@ namespace llvm {
/// capture) return false. To search it, return true.
///
/// U->getUser() is always an Instruction.
virtual bool shouldExplore(Use *U) = 0;
virtual bool shouldExplore(Use *U);
/// captured - Information about the pointer was captured by the user of
/// use U. Return true to stop the traversal or false to continue looking

4
lib/Analysis/CaptureTracking.cpp
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@ -23,6 +23,8 @@ using namespace llvm;
CaptureTracker::~CaptureTracker() {}
bool CaptureTracker::shouldExplore(Use *U) { return true; }
namespace {
struct SimpleCaptureTracker : public CaptureTracker {
explicit SimpleCaptureTracker(bool ReturnCaptures)
@ -30,8 +32,6 @@ namespace {
void tooManyUses() { Captured = true; }
bool shouldExplore(Use *U) { return true; }
bool captured(Use *U) {
if (isa<ReturnInst>(U->getUser()) && !ReturnCaptures)
return false;

2
lib/Transforms/IPO/FunctionAttrs.cpp
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@ -276,8 +276,6 @@ namespace {
void tooManyUses() { Captured = true; }
bool shouldExplore(Use *U) { return true; }
bool captured(Use *U) {
CallSite CS(U->getUser());
if (!CS.getInstruction()) { Captured = true; return true; }