| ; 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 i1 @runtime_value() "gc-leaf-function" |
| |
| ; derived %next base %base_obj |
| define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" { |
| ; CHECK-LABEL: @maybe_GEP( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[DOT0:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ:%.*]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[CURRENT:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[CONDITION:%.*]] = call i1 @runtime_value() |
| ; CHECK-NEXT: [[MAYBE_NEXT:%.*]] = getelementptr i64, i64 addrspace(1)* [[CURRENT]], i32 1 |
| ; CHECK-NEXT: [[NEXT:%.*]] = select i1 [[CONDITION]], i64 addrspace(1)* [[MAYBE_NEXT]], i64 addrspace(1)* [[CURRENT]] |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[NEXT]], i64 addrspace(1)* [[DOT0]]) ] |
| ; CHECK-NEXT: [[NEXT_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0) |
| ; CHECK-NEXT: [[NEXT_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[NEXT_RELOCATED]] to i64 addrspace(1)* |
| ; CHECK-NEXT: [[BASE_OBJ_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1) |
| ; CHECK-NEXT: [[BASE_OBJ_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[BASE_OBJ_RELOCATED]] to i64 addrspace(1)* |
| ; CHECK-NEXT: br label [[LOOP]] |
| ; |
| entry: |
| br label %loop |
| |
| loop: ; preds = %loop, %entry |
| %current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ] |
| %condition = call i1 @runtime_value() |
| %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1 |
| %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current |
| call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| br label %loop |
| } |
| |
| declare void @do_safepoint() |
