6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-21 02:24:22 +00:00
Code Issues Projects Releases Wiki Activity

Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges."

Browse Source 
This reverts commit r213474 (and r213475), which causes a miscompile on
a stage2 LTO build.  I'll reply on the list in a moment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213562 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-07-21 17:06:51 +00:00
parent 9787e8c76b
commit facdfc6781
41 changed files with 230 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Transforms/Utils/CodeExtractor.cpp
View File

@ -91,8 +91,9 @@ static SetVector<BasicBlock *> buildExtractionBlockSet(IteratorT BBBegin,
for (SetVector<BasicBlock *>::iterator I = std::next(Result.begin()),
E = Result.end();
I != E; ++I)
for (BasicBlock *Pred : predecessors(*I))
assert(Result.count(Pred) &&
for (pred_iterator PI = pred_begin(*I), PE = pred_end(*I);
PI != PE; ++PI)
assert(Result.count(*PI) &&
"No blocks in this region may have entries from outside the region"
" except for the first block!");
#endif
@ -720,9 +721,9 @@ Function *CodeExtractor::extractCodeRegion() {
SmallPtrSet<BasicBlock *, 1> ExitBlocks;
for (SetVector<BasicBlock *>::iterator I = Blocks.begin(), E = Blocks.end();
I != E; ++I)
for (BasicBlock *Succ : successors(*I))
if (!Blocks.count(Succ))
ExitBlocks.insert(Succ);
for (succ_iterator SI = succ_begin(*I), SE = succ_end(*I); SI != SE; ++SI)
if (!Blocks.count(*SI))
ExitBlocks.insert(*SI);
NumExitBlocks = ExitBlocks.size();
// Construct new function based on inputs/outputs & add allocas for all defs.