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[OpenCL] Fix address space for const method call from nonconst (PR43145)

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Patch by Anastasia Stulova and Sven van Haastregt.

Differential Revision: https://reviews.llvm.org/D68781
This commit is contained in:
Sven van Haastregt 2019-11-04 13:12:17 +00:00
parent 22f9429149
commit 82888b78d4
2 changed files with 15 additions and 1 deletions
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5
clang/lib/Sema/SemaOverload.cpp
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@ -5370,7 +5370,10 @@ Sema::PerformObjectArgumentInitialization(Expr *From,
if (!Context.hasSameType(From->getType(), DestType)) {
CastKind CK;
if (FromRecordType.getAddressSpace() != DestType.getAddressSpace())
QualType PteeTy = DestType->getPointeeType();
LangAS DestAS =
PteeTy.isNull() ? DestType.getAddressSpace() : PteeTy.getAddressSpace();
if (FromRecordType.getAddressSpace() != DestAS)
CK = CK_AddressSpaceConversion;
else
CK = CK_NoOp;

11
clang/test/CodeGenOpenCLCXX/addrspace-of-this.cl
View File

@ -203,3 +203,14 @@ TEST(__private)
// IMPL: [[C2GENVOID:%[0-9]+]] = bitcast %class.C addrspace(4)* [[C2GEN]] to i8 addrspace(4)*
// IMPL: [[C1GENVOID:%[0-9]+]] = bitcast %class.C addrspace(4)* [[C1GEN]] to i8 addrspace(4)*
// IMPL: call void @llvm.memcpy.p4i8.p4i8.i32(i8 addrspace(4)* {{.*}}[[C2GENVOID]], i8 addrspace(4)* {{.*}}[[C1GENVOID]]
// Test that calling a const method from a non-const method does not crash Clang.
class ConstAndNonConstMethod {
public:
void DoConst() const {
}
void DoNonConst() {
DoConst();
}
};