diff options
Diffstat (limited to 'contrib/llvm/lib/Support/IntEqClasses.cpp')
| -rw-r--r-- | contrib/llvm/lib/Support/IntEqClasses.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Support/IntEqClasses.cpp b/contrib/llvm/lib/Support/IntEqClasses.cpp index 1134495..ff21357 100644 --- a/contrib/llvm/lib/Support/IntEqClasses.cpp +++ b/contrib/llvm/lib/Support/IntEqClasses.cpp @@ -29,7 +29,7 @@ void IntEqClasses::grow(unsigned N) { EC.push_back(EC.size()); } -void IntEqClasses::join(unsigned a, unsigned b) { +unsigned IntEqClasses::join(unsigned a, unsigned b) { assert(NumClasses == 0 && "join() called after compress()."); unsigned eca = EC[a]; unsigned ecb = EC[b]; @@ -41,6 +41,8 @@ void IntEqClasses::join(unsigned a, unsigned b) { EC[b] = eca, b = ecb, ecb = EC[b]; else EC[a] = ecb, a = eca, eca = EC[a]; + + return eca; } unsigned IntEqClasses::findLeader(unsigned a) const { |
