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authorDan Gohman <sunfish@google.com>2014-02-14 11:37:06 -0800
committerDan Gohman <sunfish@google.com>2014-02-14 11:38:16 -0800
commit8e79a39877f2127481a0c31b8c310353330daeae (patch)
tree28c323b320f9ee2f858d8fa8c11a30343f2de60c /lib
parent4e87a5bfe9cc2da6b89de4f0d348388f8f8e3249 (diff)
Don't try to nativize aggregate allocas.
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/JSBackend/JSBackend.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/JSBackend/JSBackend.cpp b/lib/Target/JSBackend/JSBackend.cpp
index ea642163e3..b204026ff0 100644
--- a/lib/Target/JSBackend/JSBackend.cpp
+++ b/lib/Target/JSBackend/JSBackend.cpp
@@ -2083,6 +2083,7 @@ void JSWriter::calculateNativizedVars(const Function *F) {
const Instruction *I = &*II;
if (const AllocaInst *AI = dyn_cast<const AllocaInst>(I)) {
if (AI->getAllocatedType()->isVectorTy()) continue; // we do not nativize vectors, we rely on the LLVM optimizer to avoid load/stores on them
+ if (AI->getAllocatedType()->isAggregateType()) continue; // we do not nativize aggregates either
// this is on the stack. if its address is never used nor escaped, we can nativize it
bool Fail = false;
for (Instruction::const_use_iterator UI = I->use_begin(), UE = I->use_end(); UI != UE && !Fail; ++UI) {