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Linker: Do not expect comdat to exist in source module.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240341 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2015-06-22 21:46:51 +00:00
parent 864619a387
commit c2433959db
2 changed files with 8 additions and 2 deletions
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4
lib/Linker/LinkModules.cpp
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@ -1573,8 +1573,8 @@ bool ModuleLinker::run() {
if (C.getSelectionKind() == Comdat::Any)
continue;
const GlobalValue *GV = SrcM->getNamedValue(C.getName());
assert(GV);
MapValue(GV, ValueMap, RF_None, &TypeMap, &ValMaterializer);
if (GV)
MapValue(GV, ValueMap, RF_None, &TypeMap, &ValMaterializer);
}
// Strip replaced subprograms before mapping any metadata -- so that we're

6
test/Linker/comdat10.ll Normal file
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@ -0,0 +1,6 @@
; RUN: llvm-link %s /dev/null -S -o - | FileCheck %s
$c = comdat largest
; CHECK: @c = global i32 0, comdat
@c = global i32 0, comdat