xref: /llvm-project/clang/test/CodeGenCXX/switch-case-folding-1.cpp (revision 1352eea8c9a6e21ad18852131f292b397644617d)
1*1352eea8SFariborz Jahanian // RUN: %clang_cc1 %s -emit-llvm-only
2*1352eea8SFariborz Jahanian // CHECK that we don't crash.
3*1352eea8SFariborz Jahanian 
test(int val)4*1352eea8SFariborz Jahanian int test(int val){
5*1352eea8SFariborz Jahanian 	int x = 12;
6*1352eea8SFariborz Jahanian 	// Make sure we don't crash when constant folding the case 4
7*1352eea8SFariborz Jahanian 	// statement due to the case 5 statement contained in the do loop
8*1352eea8SFariborz Jahanian 	switch (val) {
9*1352eea8SFariborz Jahanian 		case 4: do {
10*1352eea8SFariborz Jahanian                      switch (6)  {
11*1352eea8SFariborz Jahanian                        case 6: {
12*1352eea8SFariborz Jahanian                          case 5: x++;
13*1352eea8SFariborz Jahanian                        };
14*1352eea8SFariborz Jahanian                      };
15*1352eea8SFariborz Jahanian                 } while (x < 100);
16*1352eea8SFariborz Jahanian 	}
17*1352eea8SFariborz Jahanian 	return x;
18*1352eea8SFariborz Jahanian }
19*1352eea8SFariborz Jahanian 
main(void)20*1352eea8SFariborz Jahanian int main(void) {
21*1352eea8SFariborz Jahanian   return test(4);
22*1352eea8SFariborz Jahanian }
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