1 files changed, 41 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll
new file mode 100644
index 0000000..1d60d03
--- /dev/null
+++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll
@@ -0,0 +1,41 @@
+; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+
+; CHECK: derived %merged_value base %base_phi
+
+declare void @site_for_call_safpeoint()
+
+define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" {
+entry:
+  br i1 %runtime_condition_x, label %here, label %there
+
+here:
+ br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
+
+bump_here_a:
+  %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
+  br label %merge_here
+
+bump_here_b:
+  %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2
+  br label %merge_here
+  
+
+merge_here:
+  %x = phi i64 addrspace(1)* [ %x_a , %bump_here_a ], [ %x_b , %bump_here_b ]
+  br label %merge
+
+there:
+  %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
+  br label %merge
+
+merge:
+; CHECK: merge:
+; CHECK:  %base_phi = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
+; CHECK-NEXT:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]  
+  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
+  %safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  ret i64 addrspace(1)* %merged_value
+}
+
+declare void @do_safepoint()
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)