llvm-project/clang/test/CodeGen/2011-03-31-ArrayRefFolding.c

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// RUN: %clang_cc1 -emit-llvm -o - -triple i386-apple-darwin %s | FileCheck %s
// PR9571
struct t {
int x;
};
extern struct t *cfun;
int f(void) {
if (!(cfun + 0))
// CHECK: icmp ne %struct.t*
return 0;
return cfun->x;
}