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Remember to move a type to the correct set when setting the body.

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We would set the body of a struct type (therefore making it non-opaque)
but were forgetting to move it to the non-opaque set.

Fixes pr22807.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-03-06 00:50:21 +00:00
parent b207e98e20
commit b6fd95ab41
5 changed files with 35 additions and 0 deletions
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1
include/llvm/Linker/Linker.h
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@ -54,6 +54,7 @@ public:
NonOpaqueStructTypeSet NonOpaqueStructTypes;
void addNonOpaque(StructType *Ty);
void switchToNonOpaque(StructType *Ty);
void addOpaque(StructType *Ty);
StructType *findNonOpaque(ArrayRef<Type *> ETypes, bool IsPacked);
bool hasType(StructType *Ty);

9
lib/Linker/LinkModules.cpp
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@ -226,6 +226,7 @@ void TypeMapTy::linkDefinedTypeBodies() {
Elements[I] = get(SrcSTy->getElementType(I));
DstSTy->setBody(Elements, SrcSTy->isPacked());
DstStructTypesSet.switchToNonOpaque(DstSTy);
}
SrcDefinitionsToResolve.clear();
DstResolvedOpaqueTypes.clear();
@ -1678,6 +1679,14 @@ void Linker::IdentifiedStructTypeSet::addNonOpaque(StructType *Ty) {
NonOpaqueStructTypes.insert(Ty);
}
void Linker::IdentifiedStructTypeSet::switchToNonOpaque(StructType *Ty) {
assert(!Ty->isOpaque());
NonOpaqueStructTypes.insert(Ty);
bool Removed = OpaqueStructTypes.erase(Ty);
(void)Removed;
assert(Removed);
}
void Linker::IdentifiedStructTypeSet::addOpaque(StructType *Ty) {
assert(Ty->isOpaque());
OpaqueStructTypes.insert(Ty);

6
test/Linker/Inputs/pr22807-1.ll Normal file
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@ -0,0 +1,6 @@
%struct.A = type { %struct.B* }
%struct.B = type opaque
define i32 @foo(%struct.A** %A) {
ret i32 0
}

6
test/Linker/Inputs/pr22807-2.ll Normal file
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@ -0,0 +1,6 @@
%struct.A = type { %struct.B* }
%struct.B = type opaque
define i32 @bar(%struct.A* %A) {
ret i32 0
}

13
test/Linker/pr22807.ll Normal file
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@ -0,0 +1,13 @@
; RUN: llvm-link -S -o - %p/pr22807.ll %p/Inputs/pr22807-1.ll %p/Inputs/pr22807-2.ll | FileCheck %s
; CHECK-NOT: type
; CHECK: %struct.B = type { %struct.A* }
; CHECK-NEXT: %struct.A = type { %struct.B* }
; CHECK-NOT: type
%struct.B = type { %struct.A* }
%struct.A = type opaque
define i32 @baz(%struct.B* %BB) {
ret i32 0
}