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Diffstat (limited to 'test/CodeGen/ARM/sjljehprepare-lower-empty-struct.ll')
| -rw-r--r-- | test/CodeGen/ARM/sjljehprepare-lower-empty-struct.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/sjljehprepare-lower-empty-struct.ll b/test/CodeGen/ARM/sjljehprepare-lower-empty-struct.ll new file mode 100644 index 0000000000..3cf2a08fe3 --- /dev/null +++ b/test/CodeGen/ARM/sjljehprepare-lower-empty-struct.ll @@ -0,0 +1,31 @@ +; RUN: llc -mtriple=armv7-apple-ios -O0 < %s | FileCheck %s +; RUN: llc -mtriple=armv7-apple-ios -O1 < %s | FileCheck %s +; RUN: llc -mtriple=armv7-apple-ios -O2 < %s | FileCheck %s +; RUN: llc -mtriple=armv7-apple-ios -O3 < %s | FileCheck %s + +; SjLjEHPrepare shouldn't crash when lowering empty structs. +; +; Checks that between in case of empty structs used as arguments +; nothing happens, i.e. there are no instructions between +; __Unwind_SjLj_Register and actual @bar invocation + + +define i8* @foo(i8 %a, {} %c) { +entry: +; CHECK: bl __Unwind_SjLj_Register +; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}: +; CHECK-NEXT: bl _bar + invoke void @bar () + to label %unreachable unwind label %handler + +unreachable: + unreachable + +handler: + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @baz to i8*) + cleanup + resume { i8*, i32 } undef +} + +declare void @bar() +declare i32 @baz(...) |