; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s ; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s declare void @foo() declare i64 addrspace(1)* @generate_obj() declare void @consume_obj(i64 addrspace(1)*) ; derived %obj_to_consume base %obj_to_consume.base define void @test(i32 %condition) gc "statepoint-example" { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 2882400000, i32 0, i64 addrspace(1)* ()* elementtype(i64 addrspace(1)* ()) @generate_obj, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] ; CHECK-NEXT: [[TMP0:%.*]] = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(token [[STATEPOINT_TOKEN]]) ; CHECK-NEXT: switch i32 [[CONDITION:%.*]], label [[DEST_A:%.*]] [ ; CHECK-NEXT: i32 0, label [[DEST_B:%.*]] ; CHECK-NEXT: i32 1, label [[DEST_C:%.*]] ; CHECK-NEXT: ] ; CHECK: dest_a: ; CHECK-NEXT: br label [[MERGE:%.*]] ; CHECK: dest_b: ; CHECK-NEXT: br label [[MERGE]] ; CHECK: dest_c: ; CHECK-NEXT: br label [[MERGE]] ; CHECK: merge: ; CHECK-NEXT: [[OBJ_TO_CONSUME:%.*]] = phi i64 addrspace(1)* [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ] ; CHECK-NEXT: [[STATEPOINT_TOKEN1:%.*]] = call token (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 2882400000, i32 0, void (i64 addrspace(1)*)* elementtype(void (i64 addrspace(1)*)) @consume_obj, i32 1, i32 0, i64 addrspace(1)* [[OBJ_TO_CONSUME]], i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[OBJ_TO_CONSUME]]) ] ; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN1]], i32 0, i32 0) ; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_TO_CONSUME_RELOCATED]] to i64 addrspace(1)* ; CHECK-NEXT: br label [[MERGE_SPLIT:%.*]] ; CHECK: merge.split: ; CHECK-NEXT: [[STATEPOINT_TOKEN2:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %merge.split, %entry %0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] switch i32 %condition, label %dest_a [ i32 0, label %dest_b i32 1, label %dest_c ] dest_a: ; preds = %loop br label %merge dest_b: ; preds = %loop br label %merge dest_c: ; preds = %loop br label %merge merge: ; preds = %dest_c, %dest_b, %dest_a %obj_to_consume = phi i64 addrspace(1)* [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] call void @consume_obj(i64 addrspace(1)* %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] br label %merge.split merge.split: ; preds = %merge call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] br label %loop }