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IR: Aliases don't belong to an explicit comdat

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Aliases inherit their comdat from their aliasee, they don't have an
explicit comdat.

This fixes PR20279.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212732 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2014-07-10 16:26:10 +00:00
parent b1beb01d82
commit c1a6d65d21
2 changed files with 3 additions and 5 deletions
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5
lib/IR/AsmWriter.cpp
View File

@ -1528,11 +1528,6 @@ void AssemblyWriter::printAlias(const GlobalAlias *GA) {
writeOperand(Aliasee, !isa<ConstantExpr>(Aliasee));
}
if (GA->hasComdat()) {
Out << ", comdat ";
PrintLLVMName(Out, GA->getComdat()->getName(), ComdatPrefix);
}
printInfoComment(*GA);
Out << '\n';
}

3
test/Feature/comdat.ll
View File

@ -9,6 +9,9 @@ $f2 = comdat any
@v = global i32 0, comdat $f
; CHECK: @v = global i32 0, comdat $f
@a = alias i32* @v
; CHECK: @a = alias i32* @v{{$}}
define void @f() comdat $f {
ret void
}