llvm-project/clang/test/CodeGenCXX/c99-variable-length-array.cpp
John McCall 2725aa13ea Do the right thing for zero-initializing VLAs that don't have a zero
bit-pattern.  It's not clear that this is actually useful given current
language restrictions.

llvm-svn: 124685
2011-02-01 21:35:06 +00:00

28 lines
550 B
C++

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
struct X {
X();
~X();
};
struct Y {
Y();
~Y();
};
// CHECK: define void @_Z1fiPPKc(
void f(int argc, const char* argv[]) {
// CHECK: call void @_ZN1XC1Ev
X x;
// CHECK: call i8* @llvm.stacksave(
const char *argv2[argc];
// CHECK: call void @_ZN1YC1Ev
Y y;
for (int i = 0; i != argc; ++i)
argv2[i] = argv[i];
// CHECK: call void @_ZN1YD1Ev
// CHECK: call void @llvm.stackrestore
// CHECK: call void @_ZN1XD1Ev
// CHECK: ret void
}