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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/transparent-union.c | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/CodeGen/transparent-union.c')
-rw-r--r-- | clang/test/CodeGen/transparent-union.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CodeGen/transparent-union.c b/clang/test/CodeGen/transparent-union.c new file mode 100644 index 0000000..afdb3d6 --- /dev/null +++ b/clang/test/CodeGen/transparent-union.c @@ -0,0 +1,25 @@ +// RUN: %clang_cc1 -Werror -triple i386-unknown-unknown -emit-llvm -o %t %s +// RUN: FileCheck < %t %s +// +// FIXME: Note that we don't currently get the ABI right here. f0() should be +// f0(i8*). + +typedef union { + void *f0; +} transp_t0 __attribute__((transparent_union)); + +void f0(transp_t0 obj); + +// CHECK: define void @f1_0(i32* %a0) +// CHECK: call void @f0(%union.transp_t0* byval align 4 %{{.*}}) +// CHECK: call void %{{.*}}(i8* %{{[a-z0-9]*}}) +// CHECK: } +void f1_0(int *a0) { + void (*f0p)(void *) = f0; + f0(a0); + f0p(a0); +} + +void f1_1(int *a0) { + f0((transp_t0) { a0 }); +} |