Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/test/Transforms/RewriteStatepointsForGC/rewrite-invoke.ll

@@ -0,0 +1,33 @@
+; RUN: opt -rewrite-statepoints-for-gc -verify -S < %s | FileCheck %s
+; RUN: opt -passes=rewrite-statepoints-for-gc -verify -S < %s | FileCheck %s
+
+declare i8 addrspace(1)* @gc_call()
+
+declare i32* @fake_personality_function()
+
+define i8 addrspace(1)* @test(i1 %c) gc "statepoint-example" personality i32* ()* @fake_personality_function {
+; CHECK-LABEL: @test(
+entry:
+  br i1 %c, label %gc_invoke, label %normal_dest
+
+gc_invoke:
+; CHECK: [[TOKEN:%[^ ]+]] = invoke token {{[^@]+}}@llvm.experimental.gc.statepoint{{[^@]+}}@gc_call
+  %obj = invoke i8 addrspace(1)* @gc_call() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
+          to label %normal_dest unwind label %unwind_dest
+
+unwind_dest:
+; CHECK: unwind_dest:
+  %lpad = landingpad { i8*, i32 }
+          cleanup
+  resume { i8*, i32 } undef
+
+; CHECK: [[NORMAL_DEST_SPLIT:[^:]+:]]
+; CHECK-NEXT: [[RET_VAL:%[^ ]+]] = call i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token [[TOKEN]])
+; CHECK-NEXT: br label %normal_dest
+
+normal_dest:
+; CHECK: normal_dest:
+; CHECK-NEXT: %merge = phi i8 addrspace(1)* [ null, %entry ], [ %obj2, %normal_dest1 ]
+  %merge = phi i8 addrspace(1)* [ null, %entry ], [ %obj, %gc_invoke ]
+  ret i8 addrspace(1)* %merge
+}