diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar')
-rw-r--r-- | llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp | 2 | ||||
-rw-r--r-- | llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp | 17 |
2 files changed, 3 insertions, 16 deletions
diff --git a/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp b/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp index f8aa2802cce..45f5929e3b9 100644 --- a/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp +++ b/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp @@ -61,7 +61,7 @@ static bool lowerGuardIntrinsic(Function &F) { DeoptIntrinsic->setCallingConv(GuardDecl->getCallingConv()); for (auto *CI : ToLower) { - makeGuardControlFlowExplicit(DeoptIntrinsic, CI); + makeGuardControlFlowExplicit(DeoptIntrinsic, CI, false); CI->eraseFromParent(); } diff --git a/llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp b/llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp index fd8a3643cff..0e3fcf0eb77 100644 --- a/llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp +++ b/llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp @@ -58,22 +58,9 @@ struct MakeGuardsExplicitLegacyPass : public FunctionPass { static void turnToExplicitForm(CallInst *Guard, Function *DeoptIntrinsic) { // Replace the guard with an explicit branch (just like in GuardWidening). BasicBlock *BB = Guard->getParent(); - makeGuardControlFlowExplicit(DeoptIntrinsic, Guard); - BranchInst *ExplicitGuard = cast<BranchInst>(BB->getTerminator()); - assert(ExplicitGuard->isConditional() && "Must be!"); + makeGuardControlFlowExplicit(DeoptIntrinsic, Guard, true); + assert(isWidenableBranch(BB->getTerminator()) && "should hold"); - // We want the guard to be expressed as explicit control flow, but still be - // widenable. For that, we add Widenable Condition intrinsic call to the - // guard's condition. - IRBuilder<> B(ExplicitGuard); - auto *WidenableCondition = - B.CreateIntrinsic(Intrinsic::experimental_widenable_condition, - {}, {}, nullptr, "widenable_cond"); - WidenableCondition->setCallingConv(Guard->getCallingConv()); - auto *NewCond = - B.CreateAnd(ExplicitGuard->getCondition(), WidenableCondition); - NewCond->setName("exiplicit_guard_cond"); - ExplicitGuard->setCondition(NewCond); Guard->eraseFromParent(); } |