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 @site_for_call_safpeoint() 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_x, i1 %runtime_condition_y) gc "statepoint-example" { 9; CHECK-LABEL: @test( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: br i1 [[RUNTIME_CONDITION_X:%.*]], label [[HERE:%.*]], label [[THERE:%.*]] 12; CHECK: here: 13; CHECK-NEXT: br i1 [[RUNTIME_CONDITION_Y:%.*]], label [[BUMP_HERE_A:%.*]], label [[BUMP_HERE_B:%.*]] 14; CHECK: bump_here_a: 15; CHECK-NEXT: [[X_A:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ_X:%.*]], i32 1 16; CHECK-NEXT: br label [[MERGE_HERE:%.*]] 17; CHECK: bump_here_b: 18; CHECK-NEXT: [[X_B:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ_X]], i32 2 19; CHECK-NEXT: br label [[MERGE_HERE]] 20; CHECK: merge_here: 21; CHECK-NEXT: [[X:%.*]] = phi ptr addrspace(1) [ [[X_A]], [[BUMP_HERE_A]] ], [ [[X_B]], [[BUMP_HERE_B]] ] 22; CHECK-NEXT: br label [[MERGE:%.*]] 23; CHECK: there: 24; CHECK-NEXT: [[Y:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ_Y:%.*]], i32 1 25; CHECK-NEXT: br label [[MERGE]] 26; CHECK: merge: 27; CHECK-NEXT: [[MERGED_VALUE_BASE:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ_X]], [[MERGE_HERE]] ], [ [[BASE_OBJ_Y]], [[THERE]] ], !is_base_value !0 28; CHECK-NEXT: [[MERGED_VALUE:%.*]] = phi ptr addrspace(1) [ [[X]], [[MERGE_HERE]] ], [ [[Y]], [[THERE]] ] 29; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @site_for_call_safpeoint, 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]]) ] 30; CHECK-NEXT: [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) 31; CHECK-NEXT: [[MERGED_VALUE_BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) 32; CHECK-NEXT: ret ptr addrspace(1) [[MERGED_VALUE_RELOCATED]] 33; 34entry: 35 br i1 %runtime_condition_x, label %here, label %there 36 37here: ; preds = %entry 38 br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b 39 40bump_here_a: ; preds = %here 41 %x_a = getelementptr i64, ptr addrspace(1) %base_obj_x, i32 1 42 br label %merge_here 43 44bump_here_b: ; preds = %here 45 %x_b = getelementptr i64, ptr addrspace(1) %base_obj_x, i32 2 46 br label %merge_here 47 48merge_here: ; preds = %bump_here_b, %bump_here_a 49 %x = phi ptr addrspace(1) [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ] 50 br label %merge 51 52there: ; preds = %entry 53 %y = getelementptr i64, ptr addrspace(1) %base_obj_y, i32 1 54 br label %merge 55 56merge: ; preds = %there, %merge_here 57 %merged_value = phi ptr addrspace(1) [ %x, %merge_here ], [ %y, %there ] 58 call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 59 ret ptr addrspace(1) %merged_value 60} 61