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-rw-r--r--lib/Transforms/Scalar/SCCP.cpp2
-rw-r--r--test/Transforms/SCCP/empty-struct.ll20
2 files changed, 20 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index d52cef607c..8c64d8ff7c 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1583,7 +1583,6 @@ bool SCCP::runOnFunction(Function &F) {
for (BasicBlock::iterator BI = BB->begin(), E = BB->end(); BI != E; ) {
Instruction *Inst = BI++;
if (Inst->getType() == Type::VoidTy ||
- isa<StructType>(Inst->getType()) ||
isa<TerminatorInst>(Inst))
continue;
@@ -1760,7 +1759,6 @@ bool IPSCCP::runOnModule(Module &M) {
for (BasicBlock::iterator BI = BB->begin(), E = BB->end(); BI != E; ) {
Instruction *Inst = BI++;
if (Inst->getType() == Type::VoidTy ||
- isa<StructType>(Inst->getType()) ||
isa<TerminatorInst>(Inst))
continue;
diff --git a/test/Transforms/SCCP/empty-struct.ll b/test/Transforms/SCCP/empty-struct.ll
new file mode 100644
index 0000000000..4e3dc69514
--- /dev/null
+++ b/test/Transforms/SCCP/empty-struct.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s > %t.bc
+; RUN: llvm-ld %t.bc -o %t.sh
+; PR2612
+
+@current_foo = internal global { } zeroinitializer
+
+define i32 @main(...) {
+entry:
+ %retval = alloca i32 ; <i32*> [#uses=2]
+ store i32 0, i32* %retval
+ %local_foo = alloca { } ; <{ }*> [#uses=1]
+ load { }* @current_foo ; <{ }>:0 [#uses=1]
+ store { } %0, { }* %local_foo
+ br label %return
+
+return: ; preds = %entry
+ load i32* %retval ; <i32>:1 [#uses=1]
+ ret i32 %1
+}
+