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Added code that ensures that we don't try to reduce an empty vector of basic

blocks.
This fixes the bugpoint regressions.

llvm-svn: 7569
This commit is contained in:
John Criswell 2003-08-04 18:24:31 +00:00
parent f62d020c88
commit 4f1ed9c65b

View File

@ -142,7 +142,7 @@ public:
virtual TestResult doTest(std::vector<BasicBlock*> &Prefix, virtual TestResult doTest(std::vector<BasicBlock*> &Prefix,
std::vector<BasicBlock*> &Kept) { std::vector<BasicBlock*> &Kept) {
if (TestBlocks(Kept)) if (!Kept.empty() && TestBlocks(Kept))
return KeepSuffix; return KeepSuffix;
if (!Prefix.empty() && TestBlocks(Prefix)) if (!Prefix.empty() && TestBlocks(Prefix))
return KeepPrefix; return KeepPrefix;