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| author | Richard Osborne <richard@xmos.com> | 2011-03-16 18:34:00 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2011-03-16 18:34:00 +0000 |
| commit | bb057453db627a8614091af7eff2de971644255a (patch) | |
| tree | e2033046af62eacaa1251794afac1c5d72015425 /test/CodeGen/XCore | |
| parent | bfc4c983a6c523b95972cf43e1b202f8eb1ebfd2 (diff) | |
| download | external_llvm-bb057453db627a8614091af7eff2de971644255a.zip external_llvm-bb057453db627a8614091af7eff2de971644255a.tar.gz external_llvm-bb057453db627a8614091af7eff2de971644255a.tar.bz2 | |
Add checkevent intrinsic to check if any resources owned by the current thread
can event.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127741 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/XCore')
| -rw-r--r-- | test/CodeGen/XCore/events.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/events.ll b/test/CodeGen/XCore/events.ll index 4fc2f26..30a6ec3 100644 --- a/test/CodeGen/XCore/events.ll +++ b/test/CodeGen/XCore/events.ll @@ -2,6 +2,7 @@ declare void @llvm.xcore.setv.p1i8(i8 addrspace(1)* %r, i8* %p) declare i8* @llvm.xcore.waitevent() +declare i8* @llvm.xcore.checkevent(i8*) declare void @llvm.xcore.clre() define i32 @f(i8 addrspace(1)* %r) nounwind { @@ -22,3 +23,22 @@ ret: %retval = phi i32 [1, %L1], [2, %L2] ret i32 %retval } + +define i32 @g(i8 addrspace(1)* %r) nounwind { +; CHECK: g: +entry: +; CHECK: clre + call void @llvm.xcore.clre() + call void @llvm.xcore.setv.p1i8(i8 addrspace(1)* %r, i8* blockaddress(@f, %L1)) + %goto_addr = call i8* @llvm.xcore.checkevent(i8 *blockaddress(@f, %L2)) +; CHECK: setsr 1 +; CHECK: clrsr 1 + indirectbr i8* %goto_addr, [label %L1, label %L2] +L1: + br label %ret +L2: + br label %ret +ret: + %retval = phi i32 [1, %L1], [2, %L2] + ret i32 %retval +} |