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| author | Sam Clegg <sbc@chromium.org> | 2018-06-25 18:47:32 +0000 |
|---|---|---|
| committer | Sam Clegg <sbc@chromium.org> | 2018-06-25 18:47:32 +0000 |
| commit | 6fd7d680b0a6d101cbeb93f16f3e90a14d8c4fe9 (patch) | |
| tree | 69b2448eff4efc1a85918bf70f39c570da0224e7 /clang/test | |
| parent | a46bcbec583b5ac8256c0698efe77d04789e1b92 (diff) | |
| download | bcm5719-llvm-6fd7d680b0a6d101cbeb93f16f3e90a14d8c4fe9.tar.gz bcm5719-llvm-6fd7d680b0a6d101cbeb93f16f3e90a14d8c4fe9.zip | |
[WebAssembly] Add no-prototype attribute to prototype-less C functions
The WebAssembly backend in particular benefits from being
able to distinguish between varargs functions (...) and prototype-less
C functions.
Differential Revision: https://reviews.llvm.org/D48443
llvm-svn: 335510
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/CodeGen/no-prototype.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/CodeGen/no-prototype.c b/clang/test/CodeGen/no-prototype.c new file mode 100644 index 00000000000..6030357b70f --- /dev/null +++ b/clang/test/CodeGen/no-prototype.c @@ -0,0 +1,20 @@ +// REQUIRES: webassembly-registered-target +// RUN: %clang_cc1 -triple wasm32 -emit-llvm %s -o - | FileCheck %s + +int foo(); + +int bar(int a) { + return foo(); +} + +int baz() { + return foo(); +} + +// CHECK: define i32 @bar(i32 %a) [[BAR_ATTR:#[0-9]+]] { +// CHECK: declare i32 @foo(...) [[FOO_ATTR:#[0-9]+]] +// CHECK: define i32 @baz() [[BAZ_ATTR:#[0-9]+]] { + +// CHECK: attributes [[FOO_ATTR]] = { {{.*}}"no-prototype"{{.*}} } +// CHECK-NOT: attributes [[BAR_ATTR]] = { {{.*}}"no-prototype"{{.*}} } +// CHECK-NOT: attributes [[BAZ_ATTR]] = { {{.*}}"no-prototype"{{.*}} } |
