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authorReid Kleckner <rnk@google.com>2016-06-09 00:29:00 +0000
committerReid Kleckner <rnk@google.com>2016-06-09 00:29:00 +0000
commit6d1d27542fd66465f5e1e3e4248910b15f47a8b2 (patch)
tree91fd333bb117ddc096a851fa5b98ff69256168e6 /llvm/lib
parent36eb047792aaa77a11d710e1ee4f2e9930464925 (diff)
downloadbcm5719-llvm-6d1d27542fd66465f5e1e3e4248910b15f47a8b2.tar.gz
bcm5719-llvm-6d1d27542fd66465f5e1e3e4248910b15f47a8b2.zip
[codeview] Skip DIGlobalVariables with no variable
They have probably been discarded during optimization. llvm-svn: 272231
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 828f89e9254..8920d20ad39 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -1317,7 +1317,7 @@ void CodeViewDebug::emitDebugInfoForGlobals() {
switchToDebugSectionForSymbol(nullptr);
MCSymbol *EndLabel = nullptr;
for (const DIGlobalVariable *G : CU->getGlobalVariables()) {
- if (const auto *GV = dyn_cast<GlobalVariable>(G->getVariable()))
+ if (const auto *GV = dyn_cast_or_null<GlobalVariable>(G->getVariable())) {
if (!GV->hasComdat()) {
if (!EndLabel) {
OS.AddComment("Symbol subsection for globals");
@@ -1325,6 +1325,7 @@ void CodeViewDebug::emitDebugInfoForGlobals() {
}
emitDebugInfoForGlobal(G, Asm->getSymbol(GV));
}
+ }
}
if (EndLabel)
endCVSubsection(EndLabel);
@@ -1332,7 +1333,7 @@ void CodeViewDebug::emitDebugInfoForGlobals() {
// Second, emit each global that is in a comdat into its own .debug$S
// section along with its own symbol substream.
for (const DIGlobalVariable *G : CU->getGlobalVariables()) {
- if (const auto *GV = dyn_cast<GlobalVariable>(G->getVariable())) {
+ if (const auto *GV = dyn_cast_or_null<GlobalVariable>(G->getVariable())) {
if (GV->hasComdat()) {
MCSymbol *GVSym = Asm->getSymbol(GV);
OS.AddComment("Symbol subsection for " +
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