[Statepoints] Add test case to check that statepoint is marked with Throwable attribute.

Differential Revision: http://reviews.llvm.org/D10215

llvm-svn: 239473

1 files changed, 24 insertions, 0 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/statepoint-invoke-unwind.ll b/llvm/test/Transforms/SimplifyCFG/statepoint-invoke-unwind.ll
new file mode 100644
index 00000000000..8df74ed48f2
--- /dev/null
+++ b/llvm/test/Transforms/SimplifyCFG/statepoint-invoke-unwind.ll
@@ -0,0 +1,24 @@
+; RUN: opt < %s -simplifycfg -S | FileCheck %s
+; Test that statepoint intrinsic is marked with Throwable attribute and it is
+; not optimized into call
+
+declare i64 addrspace(1)* @gc_call()
+declare i32 @llvm.experimental.gc.statepoint.p0f_p1i64f(i64, i32, i64 addrspace(1)* ()*, i32, i32, ...)
+declare i32* @fake_personality_function()
+
+define i32 @test() gc "statepoint-example" {
+; CHECK-LABEL: test
+entry:
+  ; CHECK-LABEL: entry:
+  ; CHECK-NEXT: %sp = invoke i32 (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f
+  %sp = invoke i32 (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 0, i32 0, i64 addrspace(1)* ()* @gc_call, i32 0, i32 0, i32 0, i32 0)
+                to label %normal unwind label %exception
+
+exception:
+  %lpad = landingpad { i8*, i32 } personality i32* ()* @fake_personality_function
+          cleanup
+  ret i32 0
+
+normal:
+  ret i32 1
+}