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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/transparent-union.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
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 }); +} |