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| author | Eli Friedman <efriedma@codeaurora.org> | 2017-08-03 22:27:36 +0000 |
|---|---|---|
| committer | Eli Friedman <efriedma@codeaurora.org> | 2017-08-03 22:27:36 +0000 |
| commit | 54657e3db73cad36112c1a6e72d440f98eccba05 (patch) | |
| tree | 14b8ff0a682fbc6ee20e344e0dadae5a3f7e048c /test/CoverageMapping | |
| parent | 764e1d8251b12447aee69092a851e46c0eb63c7d (diff) | |
[coverage] Special-case calls to noreturn functions.
The code after a noreturn call doesn't execute.
The pattern in the testcase is pretty common in LLVM (a switch with
a default case that calls llvm_unreachable).
Differential Revision: https://reviews.llvm.org/D36250
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309995 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CoverageMapping')
| -rw-r--r-- | test/CoverageMapping/switch.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CoverageMapping/switch.cpp b/test/CoverageMapping/switch.cpp index 17aa53bb48..52f22e8eda 100644 --- a/test/CoverageMapping/switch.cpp +++ b/test/CoverageMapping/switch.cpp @@ -97,3 +97,16 @@ int fallthrough(int i) { // CHECK-NEXT: File 0, [[@LINE]]:24 -> [[@LINE+12]]:2 = break; } } + +void abort(void) __attribute((noreturn)); + // CHECK: noret +int noret(int x) { // CHECK-NEXT: File 0, [[@LINE]]:18 -> [[@LINE+9]]:2 + switch (x) { + default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:12 + abort(); + case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 + return 5; + case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:14 + return 10; + } +} |