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-rw-r--r--llvm/lib/CodeGen/Analysis.cpp20
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp2
-rw-r--r--llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp2
3 files changed, 6 insertions, 18 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp
index ef405484e84..73bd3d29eae 100644
--- a/llvm/lib/CodeGen/Analysis.cpp
+++ b/llvm/lib/CodeGen/Analysis.cpp
@@ -623,7 +623,9 @@ bool llvm::canBeOmittedFromSymbolTable(const GlobalValue *GV) {
if (!GV->hasLinkOnceODRLinkage())
return false;
- if (GV->hasUnnamedAddr())
+ // We assume that anyone who sets global unnamed_addr on a non-constant knows
+ // what they're doing.
+ if (GV->hasGlobalUnnamedAddr())
return true;
// If it is a non constant variable, it needs to be uniqued across shared
@@ -633,21 +635,7 @@ bool llvm::canBeOmittedFromSymbolTable(const GlobalValue *GV) {
return false;
}
- // An alias can point to a variable. We could try to resolve the alias to
- // decide, but for now just don't hide them.
- if (isa<GlobalAlias>(GV))
- return false;
-
- // If we don't see every use, we have to be conservative and assume the value
- // address is significant.
- if (GV->getParent()->getMaterializer())
- return false;
-
- GlobalStatus GS;
- if (GlobalStatus::analyzeGlobal(GV, GS))
- return false;
-
- return !GS.IsCompared;
+ return GV->hasAtLeastLocalUnnamedAddr();
}
// FIXME: make this a proper option
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index d39881d9ce3..02640f55fa2 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1001,7 +1001,7 @@ static bool isGOTEquivalentCandidate(const GlobalVariable *GV,
// Global GOT equivalents are unnamed private globals with a constant
// pointer initializer to another global symbol. They must point to a
// GlobalVariable or Function, i.e., as GlobalValue.
- if (!GV->hasUnnamedAddr() || !GV->hasInitializer() || !GV->isConstant() ||
+ if (!GV->hasGlobalUnnamedAddr() || !GV->hasInitializer() || !GV->isConstant() ||
!GV->isDiscardableIfUnused() || !dyn_cast<GlobalValue>(GV->getOperand(0)))
return false;
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index f7ba62ff231..6d5dd5fa4d5 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -429,7 +429,7 @@ const MCExpr *TargetLoweringObjectFileELF::lowerRelativeReference(
const TargetMachine &TM) const {
// We may only use a PLT-relative relocation to refer to unnamed_addr
// functions.
- if (!LHS->hasUnnamedAddr() || !LHS->getValueType()->isFunctionTy())
+ if (!LHS->hasGlobalUnnamedAddr() || !LHS->getValueType()->isFunctionTy())
return nullptr;
// Basic sanity checks.
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