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TheRock/compiler/amd-llvm/clang/test/CoverageMapping/system_macro_switch.cpp
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

43 lines
1.4 KiB
C++

/// `case` labels generated by a user macro invoked from a -isystem header
/// must not crash the coverage mapping builder.
// RUN: rm -rf %t && split-file %s %t && cd %t
// RUN: %clang_cc1 -triple %itanium_abi_triple -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -isystem sys a.cpp | FileCheck %s
// CHECK-LABEL: main:
// CHECK-NEXT: File 0, 9:29 -> 9:43 = #0
// CHECK-LABEL: _ZL3fooi:
// CHECK-NEXT: File 0, 1:24 -> 7:2 = #0
// CHECK-NEXT: Branch,File 0, 2:11 -> 2:12 = ((#2 + #3) + #4), (((#0 - #2) - #3) - #4)
// CHECK-NEXT: Gap,File 0, 2:14 -> 5:10 = 0
// CHECK-NEXT: File 0, 4:21 -> 5:10 = ((#2 + #3) + #4)
// CHECK-NEXT: File 0, 4:21 -> 5:10 = (#2 + #3)
// CHECK-NEXT: File 0, 4:21 -> 5:10 = #2
// CHECK-NEXT: File 1, 3:20 -> 3:27 = #2
// CHECK-NEXT: Branch,File 1, 3:20 -> 3:26 = #2, (#0 - #2)
// CHECK-NEXT: File 2, 3:20 -> 3:27 = (#2 + #3)
// CHECK-NEXT: Branch,File 2, 3:20 -> 3:26 = #3, (#0 - #3)
// CHECK-NEXT: File 3, 3:20 -> 3:27 = ((#2 + #3) + #4)
// CHECK-NEXT: Branch,File 3, 3:20 -> 3:26 = #4, (#0 - #4)
/// types.def must not leak into the file mapping.
// CHECK-NOT: Expansion,
// CHECK-NOT: File
//--- a.cpp
static void foo(int x) {
switch (x) {
#define GENERIC(n) case n:
#include "types.def"
break;
}
}
int main(int argc, char **) { foo(argc); }
//--- sys/types.def
#define MID(name) GENERIC(name)
MID(0)
MID(1)
MID(2)