1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s 3; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s 4 5declare void @foo() 6 7declare i64 addrspace(1)* @generate_obj() 8 9declare void @consume_obj(i64 addrspace(1)*) 10 11; derived %obj_to_consume base %obj_to_consume.base 12define void @test(i32 %condition) gc "statepoint-example" { 13; CHECK-LABEL: @test( 14; CHECK-NEXT: entry: 15; CHECK-NEXT: br label [[LOOP:%.*]] 16; CHECK: loop: 17; 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)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 18; CHECK-NEXT: [[TMP0:%.*]] = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(token [[STATEPOINT_TOKEN]]) 19; CHECK-NEXT: switch i32 [[CONDITION:%.*]], label [[DEST_A:%.*]] [ 20; CHECK-NEXT: i32 0, label [[DEST_B:%.*]] 21; CHECK-NEXT: i32 1, label [[DEST_C:%.*]] 22; CHECK-NEXT: ] 23; CHECK: dest_a: 24; CHECK-NEXT: br label [[MERGE:%.*]] 25; CHECK: dest_b: 26; CHECK-NEXT: br label [[MERGE]] 27; CHECK: dest_c: 28; CHECK-NEXT: br label [[MERGE]] 29; CHECK: merge: 30; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE:%.*]] = phi i64 addrspace(1)* [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ], !is_base_value !0 31; CHECK-NEXT: [[OBJ_TO_CONSUME:%.*]] = phi i64 addrspace(1)* [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ] 32; 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)*)* @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_BASE]], i64 addrspace(1)* [[OBJ_TO_CONSUME]]) ] 33; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN1]], i32 0, i32 0) 34; CHECK-NEXT: [[OBJ_TO_CONSUME_BASE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_TO_CONSUME_BASE_RELOCATED]] to i64 addrspace(1)* 35; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN1]], i32 0, i32 1) 36; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_TO_CONSUME_RELOCATED]] to i64 addrspace(1)* 37; CHECK-NEXT: br label [[MERGE_SPLIT:%.*]] 38; CHECK: merge.split: 39; CHECK-NEXT: [[STATEPOINT_TOKEN2:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 40; CHECK-NEXT: br label [[LOOP]] 41; 42entry: 43 br label %loop 44 45loop: ; preds = %merge.split, %entry 46 %0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 47 switch i32 %condition, label %dest_a [ 48 i32 0, label %dest_b 49 i32 1, label %dest_c 50 ] 51 52dest_a: ; preds = %loop 53 br label %merge 54 55dest_b: ; preds = %loop 56 br label %merge 57 58dest_c: ; preds = %loop 59 br label %merge 60 61merge: ; preds = %dest_c, %dest_b, %dest_a 62 %obj_to_consume = phi i64 addrspace(1)* [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] 63 call void @consume_obj(i64 addrspace(1)* %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 64 br label %merge.split 65 66merge.split: ; preds = %merge 67 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 68 br label %loop 69} 70