diff options
Diffstat (limited to 'lib/IR/Value.cpp')
-rw-r--r-- | lib/IR/Value.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/IR/Value.cpp b/lib/IR/Value.cpp index 51a7d424c1f..5df0c6d81cf 100644 --- a/lib/IR/Value.cpp +++ b/lib/IR/Value.cpp @@ -454,6 +454,28 @@ void Value::replaceUsesOutsideBlock(Value *New, BasicBlock *BB) { } } +void Value::replaceUsesExceptBlockAddr(Value *New) { + use_iterator UI = use_begin(), E = use_end(); + for (; UI != E;) { + Use &U = *UI; + ++UI; + + if (isa<BlockAddress>(U.getUser())) + continue; + + // Must handle Constants specially, we cannot call replaceUsesOfWith on a + // constant because they are uniqued. + if (auto *C = dyn_cast<Constant>(U.getUser())) { + if (!isa<GlobalValue>(C)) { + C->handleOperandChange(this, New); + continue; + } + } + + U.set(New); + } +} + namespace { // Various metrics for how much to strip off of pointers. enum PointerStripKind { |