35 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s3 4declare i1 @runtime_value() "gc-leaf-function"5 6; derived %next base %base_obj7define void @maybe_GEP(ptr addrspace(1) %base_obj) gc "statepoint-example" {8; CHECK-LABEL: @maybe_GEP(9; CHECK-NEXT: entry:10; CHECK-NEXT: br label [[LOOP:%.*]]11; CHECK: loop:12; CHECK-NEXT: [[DOT0:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ:%.*]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ]13; CHECK-NEXT: [[CURRENT:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]14; CHECK-NEXT: [[CONDITION:%.*]] = call i1 @runtime_value()15; CHECK-NEXT: [[MAYBE_NEXT:%.*]] = getelementptr i64, ptr addrspace(1) [[CURRENT]], i32 116; CHECK-NEXT: [[NEXT:%.*]] = select i1 [[CONDITION]], ptr addrspace(1) [[MAYBE_NEXT]], ptr addrspace(1) [[CURRENT]]17; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(ptr addrspace(1) [[NEXT]], ptr addrspace(1) [[DOT0]]) ]18; CHECK-NEXT: [[NEXT_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)19; CHECK-NEXT: [[BASE_OBJ_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)20; CHECK-NEXT: br label [[LOOP]]21;22entry:23 br label %loop24 25loop: ; preds = %loop, %entry26 %current = phi ptr addrspace(1) [ %base_obj, %entry ], [ %next, %loop ]27 %condition = call i1 @runtime_value()28 %maybe_next = getelementptr i64, ptr addrspace(1) %current, i32 129 %next = select i1 %condition, ptr addrspace(1) %maybe_next, ptr addrspace(1) %current30 call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]31 br label %loop32}33 34declare void @do_safepoint()35