llvm-project/clang/test/CodeGen/indirect-goto.c

32 lines
565 B
C

// RUN: %clang_cc1 -triple x86_64-unknown-unknown -O3 -emit-llvm -o - %s | grep "ret i32 2520"
static int foo(unsigned i) {
void *addrs[] = { &&L1, &&L2, &&L3, &&L4, &&L5 };
int res = 1;
goto *addrs[i];
L5: res *= 11;
L4: res *= 7;
L3: res *= 5;
L2: res *= 3;
L1: res *= 2;
return res;
}
static int foo2(unsigned i) {
static const void *addrs[] = { &&L1, &&L2, &&L3, &&L4, &&L5 };
int res = 1;
goto *addrs[i];
L5: res *= 11;
L4: res *= 7;
L3: res *= 5;
L2: res *= 3;
L1: res *= 2;
return res;
}
int main() {
return foo(3)+foo2(4);
}