Make sure _Bool globals have the correct type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51838 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index 4cb3c7b..be9eaad 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -793,13 +793,18 @@
CodeGenFunction *CGF)
{
QualType type = E->getType().getCanonicalType();
-
+
if (type->isIntegerType()) {
llvm::APSInt Value(static_cast<uint32_t>(Context.getTypeSize(type)));
if (E->isIntegerConstantExpr(Value, Context)) {
return llvm::ConstantInt::get(Value);
}
}
-
- return ConstExprEmitter(*this, CGF).Visit(const_cast<Expr*>(E));
+
+ llvm::Constant* C = ConstExprEmitter(*this, CGF).Visit(const_cast<Expr*>(E));
+ if (C->getType() == llvm::Type::Int1Ty) {
+ const llvm::Type *BoolTy = getTypes().ConvertTypeForMem(E->getType());
+ C = llvm::ConstantExpr::getZExt(C, BoolTy);
+ }
+ return C;
}
diff --git a/test/CodeGen/bool-init.c b/test/CodeGen/bool-init.c
new file mode 100644
index 0000000..2e5d56a
--- /dev/null
+++ b/test/CodeGen/bool-init.c
@@ -0,0 +1,4 @@
+// RUN: clang -emit-llvm < %s | grep i1 | count 1
+
+// Check that the type of this global isn't i1
+_Bool test = &test;