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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| 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/struct-passing.c | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/struct-passing.c')
| -rw-r--r-- | clang/test/CodeGen/struct-passing.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/CodeGen/struct-passing.c b/clang/test/CodeGen/struct-passing.c new file mode 100644 index 0000000..efb00ef --- /dev/null +++ b/clang/test/CodeGen/struct-passing.c @@ -0,0 +1,24 @@ +// This verifies that structs returned from functions by value are passed +// correctly according to their attributes and the ABI. +// SEE: PR3835 + +// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s + +typedef int T0; +typedef struct { int a[16]; } T1; + +T0 __attribute__((const)) f0(void); +T0 __attribute__((pure)) f1(void); +T1 __attribute__((const)) f2(void); +T1 __attribute__((pure)) f3(void); +void __attribute__((const)) f4(T1 a); +void __attribute__((pure)) f5(T1 a); + +void *ps[] = { f0, f1, f2, f3, f4, f5 }; + +// CHECK: declare i32 @f0() nounwind readnone +// CHECK: declare i32 @f1() nounwind readonly +// CHECK: declare void @f2({{.*}} sret) +// CHECK: declare void @f3({{.*}} sret) +// CHECK: declare void @f4({{.*}} byval align 4) +// CHECK: declare void @f5({{.*}} byval align 4) |