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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/CodeGen/unreachable.c | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/CodeGen/unreachable.c')
-rw-r--r-- | clang/test/CodeGen/unreachable.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/clang/test/CodeGen/unreachable.c b/clang/test/CodeGen/unreachable.c new file mode 100644 index 0000000..5e9fa6a --- /dev/null +++ b/clang/test/CodeGen/unreachable.c @@ -0,0 +1,37 @@ +// RUN: %clang_cc1 -emit-llvm -o %t %s +// RUN: grep '@unreachable' %t | count 0 + +extern void abort() __attribute__((noreturn)); +extern int unreachable(); + +int f0() { + return 0; + unreachable(); +} + +int f1(int i) { + goto L0; + int a = unreachable(); + L0: + return 0; +} + +int f2(int i) { + goto L0; + unreachable(); + int a; + unreachable(); + L0: + a = i + 1; + return a; +} + +int f3(int i) { + if (i) { + return 0; + } else { + abort(); + } + unreachable(); + return 3; +} |