diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/EarlyCSE.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/EarlyCSE.cpp | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp index c453c843bfc..2e00d676f15 100644 --- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp +++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp @@ -555,15 +555,8 @@ bool EarlyCSE::processNode(DomTreeNode *Node) { } if (match(Inst, m_Intrinsic<Intrinsic::experimental_guard>())) { - Value *Cond = cast<CallInst>(Inst)->getArgOperand(0); - - if (match(Cond, m_One())) { - // Elide guards on true, since operationally they're no-ops. In the - // future we can consider more sophisticated tradeoffs here with - // consideration to potential for check widening, but for now we keep - // things simple. - Inst->eraseFromParent(); - } else if (auto *CondI = dyn_cast<Instruction>(Cond)) { + if (auto *CondI = + dyn_cast<Instruction>(cast<CallInst>(Inst)->getArgOperand(0))) { // The condition we're on guarding here is true for all dominated // locations. if (SimpleValue::canHandle(CondI)) |
