Hans Wennborg 238bbd48c5 Revert abd45154b "[Coverage] Add comment to skipped regions"
This casued assertions during Chromium builds. See comment on the code review

> Bug filled here: https://bugs.llvm.org/show_bug.cgi?id=45757.
> Add comment to skipped regions so we don't track execution count for lines containing only comments.
>
> Differential Revision: https://reviews.llvm.org/D84208

This reverts commit abd45154bdb6b76c5b480455eacc8c75b08242aa and the
follow-up 87d725473380652bbe845fd2fbd9c0507a55172f.
2020-07-22 17:09:20 +02:00

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
#define FOO(x) (void)x
// CHECK: foo
int foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:16 -> {{[0-9]+}}:2 = #0
switch (i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> {{[0-9]+}}:11 = 0
default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> {{[0-9]+}}:11 = #2
if (i == 1) // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:15 = #2
return 0; // CHECK: File 0, [[@LINE]]:7 -> [[@LINE]]:15 = #3
// CHECK-NEXT: File 0, [[@LINE-1]]:15 -> [[@LINE+3]]:5 = (#2 - #3)
// CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:5 -> [[@LINE+2]]:8 = (#2 - #3) (Expanded file = 1)
// CHECK-NEXT: File 0, [[@LINE+1]]:8 -> {{[0-9]+}}:11 = (#2 - #3)
FOO(1);
case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = ((#2 + #4) - #3)
return 2; // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+6]]:3 = #5
// CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:3 -> [[@LINE+2]]:6 = 0
// CHECK-NEXT: File 0, [[@LINE+1]]:6 -> {{[0-9]+}}:11 = 0
FOO(1);
// CHECK-NEXT: File 0, [[@LINE+1]]:3 -> {{[0-9]+}}:11 = #5
label: ;
}
}
// PR26825 - Crash when exiting macro expansion containing a switch
// CHECK: bar
#define START { while (0) { switch (0) {
#define END }}}
void bar() {
START // CHECK: File 0, [[@LINE]]:8 -> [[@LINE+2]]:6
default: ;
END
}
// PR27948 - Crash when handling a switch partially covered by a macro
// CHECK: baz
#define START2 switch (0) default:
void baz() {
for (;;)
START2 return; // CHECK: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1 (Expanded file = 1)
}
int main(int argc, const char *argv[]) {
foo(3);
return 0;
}