From ee8648bdac07986a0f1ec897b02ec82a2f144d46 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Fri, 7 Aug 2015 23:01:33 +0000
Subject: Vendor import of llvm trunk r242221:
 https://llvm.org/svn/llvm-project/llvm/trunk@242221

---
 test/CodeGen/X86/cppeh-nounwind.ll | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/CodeGen/X86/cppeh-nounwind.ll

(limited to 'test/CodeGen/X86/cppeh-nounwind.ll')

diff --git a/test/CodeGen/X86/cppeh-nounwind.ll b/test/CodeGen/X86/cppeh-nounwind.ll
new file mode 100644
index 000000000000..d9bc001a92df
--- /dev/null
+++ b/test/CodeGen/X86/cppeh-nounwind.ll
@@ -0,0 +1,35 @@
+; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s
+
+; Sometimes invokes of nounwind functions make it through to CodeGen, especially
+; at -O0, where Clang sometimes optimistically annotates functions as nounwind.
+; WinEHPrepare ends up outlining functions, and emitting references to LSDA
+; labels. Make sure we emit the LSDA in that case.
+
+declare i32 @__CxxFrameHandler3(...)
+declare void @nounwind_func() nounwind
+declare void @cleanup()
+
+define void @should_emit_tables() personality i32 (...)* @__CxxFrameHandler3 {
+entry:
+  invoke void @nounwind_func()
+      to label %done unwind label %lpad
+
+done:
+  ret void
+
+lpad:
+  %vals = landingpad { i8*, i32 }
+      cleanup
+  call void @cleanup()
+  resume { i8*, i32 } %vals
+}
+
+; CHECK: _should_emit_tables:
+; CHECK: calll _nounwind_func
+; CHECK: retl
+
+; CHECK: L__ehtable$should_emit_tables:
+
+; CHECK: ___ehhandler$should_emit_tables:
+; CHECK: movl $L__ehtable$should_emit_tables, %eax
+; CHECK: jmp ___CxxFrameHandler3 # TAILCALL
-- 
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