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Update the machine-CFG edges whenever we see a branch.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13211 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke
2004-04-28 04:19:37 +00:00
parent 8560af4f5f
commit ea9ca67304
2 changed files with 10 additions and 0 deletions
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5
lib/Target/X86/InstSelectSimple.cpp
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@ -1295,6 +1295,11 @@ static inline BasicBlock *getBlockAfter(BasicBlock *BB) {
/// just make a fall-through (but we don't currently). /// just make a fall-through (but we don't currently).
/// ///
void ISel::visitBranchInst(BranchInst &BI) { void ISel::visitBranchInst(BranchInst &BI) {
// Update machine-CFG edges
BB->addSuccessor (MBBMap[BI.getSuccessor(0)]);
if (BI.isConditional())
BB->addSuccessor (MBBMap[BI.getSuccessor(1)]);
BasicBlock *NextBB = getBlockAfter(BI.getParent()); // BB after current one BasicBlock *NextBB = getBlockAfter(BI.getParent()); // BB after current one
if (!BI.isConditional()) { // Unconditional branch? if (!BI.isConditional()) { // Unconditional branch?

5
lib/Target/X86/X86ISelSimple.cpp
View File

@ -1295,6 +1295,11 @@ static inline BasicBlock *getBlockAfter(BasicBlock *BB) {
/// just make a fall-through (but we don't currently). /// just make a fall-through (but we don't currently).
/// ///
void ISel::visitBranchInst(BranchInst &BI) { void ISel::visitBranchInst(BranchInst &BI) {
// Update machine-CFG edges
BB->addSuccessor (MBBMap[BI.getSuccessor(0)]);
if (BI.isConditional())
BB->addSuccessor (MBBMap[BI.getSuccessor(1)]);
BasicBlock *NextBB = getBlockAfter(BI.getParent()); // BB after current one BasicBlock *NextBB = getBlockAfter(BI.getParent()); // BB after current one
if (!BI.isConditional()) { // Unconditional branch? if (!BI.isConditional()) { // Unconditional branch?