48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name switchmacro.c %s | FileCheck %s
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| 
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| #define FOO(x) (void)x
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| 
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| // CHECK: foo
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| int foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:16 -> {{[0-9]+}}:2 = #0
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|   switch (i) {   // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> {{[0-9]+}}:11 = 0
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|   default:       // CHECK-NEXT: File 0, [[@LINE]]:3 -> {{[0-9]+}}:11 = #2
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|     if (i == 1)  // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:15 = #2
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|       return 0;  // CHECK: File 0, [[@LINE]]:7 -> [[@LINE]]:15 = #3
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|                  // CHECK-NEXT: File 0, [[@LINE-1]]:15 -> [[@LINE+3]]:5 = (#2 - #3)
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|     // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:5 -> [[@LINE+2]]:8 = (#2 - #3) (Expanded file = 1)
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|     // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> {{[0-9]+}}:11 = (#2 - #3)
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|     FOO(1);
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|   case 0:        // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = ((#2 + #4) - #3)
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|     return 2;    // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+6]]:3 = #5
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| 
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|   // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:3 -> [[@LINE+2]]:6 = 0
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|   // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> {{[0-9]+}}:11 = 0
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|   FOO(1);
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|   // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> {{[0-9]+}}:11 = #5
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|   label: ;
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|   }
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| }
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| 
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| // PR26825 - Crash when exiting macro expansion containing a switch
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| // CHECK: bar
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| #define START { while (0) { switch (0) {
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| #define END   }}}
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| void bar() {
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|   START      // CHECK: File 0, [[@LINE]]:8 -> [[@LINE+2]]:6
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| default: ;
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|   END
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| }
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| 
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| // PR27948 - Crash when handling a switch partially covered by a macro
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| // CHECK: baz
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| #define START2 switch (0) default:
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| void baz() {
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|   for (;;)
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|     START2 return; // CHECK: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1 (Expanded file = 1)
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| }
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| 
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| int main(int argc, const char *argv[]) {
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|   foo(3);
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|   return 0;
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| }
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