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Fix failure in memory order/scope processing at OCL atomic convert pass #57

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Fix failure in memory order/scope processing at OCL atomic convert pass #57

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6 changes: 4 additions & 2 deletions lib/Target/AMDGPU/AMDGPUConvertAtomicLibCalls.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -176,7 +176,8 @@ static AtomicOrdering MemoryOrderSpir2LLVM(Value *SpirMemOrd) {
memory_order_acq_rel,
memory_order_seq_cst
};
unsigned MemOrd = dyn_cast<ConstantInt>(SpirMemOrd)->getZExtValue();
auto *MO = dyn_cast<ConstantInt>(SpirMemOrd);
unsigned MemOrd = MO ? MO->getZExtValue() : -1;
switch (MemOrd) {
case memory_order_relaxed:
return AtomicOrdering::Monotonic;
Expand All @@ -202,7 +203,8 @@ MemoryScopeOpenCL2LLVM(Value *OpenclMemScope) {
memory_scope_all_svm_devices,
memory_scope_sub_group
};
unsigned MemScope = dyn_cast<ConstantInt>(OpenclMemScope)->getZExtValue();
auto *MS = dyn_cast<ConstantInt>(OpenclMemScope);
unsigned MemScope = MS ? MS->getZExtValue() : -1;
switch (MemScope) {
case memory_scope_work_item:
llvm_unreachable("memory_scope_work_item not Valid for atomic builtins");
Expand Down