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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/2008-01-25-ZeroSizedAggregate.c | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c')
-rw-r--r-- | clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c b/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c new file mode 100644 index 0000000..d905985 --- /dev/null +++ b/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c @@ -0,0 +1,39 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - + +// Aggregates of size zero should be dropped from argument list. +typedef long int Tlong; +struct S2411 { + __attribute__((aligned)) Tlong:0; +}; + +extern struct S2411 a2411[5]; +extern void checkx2411(struct S2411); +void test2411(void) { + checkx2411(a2411[0]); +} + +// Proper handling of zero sized fields during type conversion. +typedef unsigned long long int Tal2ullong __attribute__((aligned(2))); +struct S2525 { + Tal2ullong: 0; + struct { + } e; +}; +struct S2525 s2525; + +struct { + signed char f; + char :0; + struct{}h; + char * i[5]; +} data; + +// Taking address of a zero sized field. +struct Z {}; +struct Y { + int i; + struct Z z; +}; +void *f(struct Y *y) { + return &y->z; +} |