1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s 3 4 5declare void @foo() 6 7; derived %merged_value base %merged_value.base 8define ptr addrspace(1) @test(ptr addrspace(1) %base_obj_x, ptr addrspace(1) %base_obj_y, i1 %runtime_condition) gc "statepoint-example" { 9; CHECK-LABEL: @test( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: br i1 [[RUNTIME_CONDITION:%.*]], label [[HERE:%.*]], label [[THERE:%.*]] 12; CHECK: here: 13; CHECK-NEXT: br label [[BUMP:%.*]] 14; CHECK: bump: 15; CHECK-NEXT: br label [[MERGE:%.*]] 16; CHECK: there: 17; CHECK-NEXT: [[Y:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ_Y:%.*]], i32 1 18; CHECK-NEXT: br label [[MERGE]] 19; CHECK: merge: 20; CHECK-NEXT: [[MERGED_VALUE_BASE:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ_X:%.*]], [[BUMP]] ], [ [[BASE_OBJ_Y]], [[THERE]] ], !is_base_value !0 21; CHECK-NEXT: [[MERGED_VALUE:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ_X]], [[BUMP]] ], [ [[Y]], [[THERE]] ] 22; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(ptr addrspace(1) [[MERGED_VALUE]], ptr addrspace(1) [[MERGED_VALUE_BASE]]) ] 23; CHECK-NEXT: [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) 24; CHECK-NEXT: [[MERGED_VALUE_BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) 25; CHECK-NEXT: ret ptr addrspace(1) [[MERGED_VALUE_RELOCATED]] 26; 27entry: 28 br i1 %runtime_condition, label %here, label %there 29 30here: ; preds = %entry 31 br label %bump 32 33bump: ; preds = %here 34 br label %merge 35 36there: ; preds = %entry 37 %y = getelementptr i64, ptr addrspace(1) %base_obj_y, i32 1 38 br label %merge 39 40merge: ; preds = %there, %bump 41 %merged_value = phi ptr addrspace(1) [ %base_obj_x, %bump ], [ %y, %there ] 42 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 43 ret ptr addrspace(1) %merged_value 44} 45