aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorCameron Zwarich <zwarich@apple.com>2011-02-24 10:00:13 +0000
committerCameron Zwarich <zwarich@apple.com>2011-02-24 10:00:13 +0000
commita46cd97818ac6fa336b093adecf2006fb041ca1c (patch)
tree800b11ad4052a2cd7e8dd896e29d107c11b0bcfc /lib
parente1497b979166765d97c91813a8e830a1ab8fbe12 (diff)
downloadexternal_llvm-a46cd97818ac6fa336b093adecf2006fb041ca1c.zip
external_llvm-a46cd97818ac6fa336b093adecf2006fb041ca1c.tar.gz
external_llvm-a46cd97818ac6fa336b093adecf2006fb041ca1c.tar.bz2
Track blocks visited in reverse postorder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126377 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp1
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp4
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index 98582ba..c55cf85 100644
--- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -219,6 +219,7 @@ void FunctionLoweringInfo::clear() {
CatchInfoFound.clear();
#endif
LiveOutRegInfo.clear();
+ VisitedBBs.clear();
ArgDbgValues.clear();
ByValArgFrameIndexMap.clear();
RegFixups.clear();
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 835aab2..9d3f5bc 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -831,6 +831,10 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
#ifndef NDEBUG
CheckLineNumbers(LLVMBB);
#endif
+
+ if (OptLevel != CodeGenOpt::None)
+ FuncInfo->VisitedBBs.insert(LLVMBB);
+
FuncInfo->MBB = FuncInfo->MBBMap[LLVMBB];
FuncInfo->InsertPt = FuncInfo->MBB->getFirstNonPHI();