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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s3 4; Show that we do not extract similar regions that would involve the splitting5; of phi nodes on exit.6 7define void @function1(ptr %a, ptr %b) {8entry:9 %0 = alloca i32, align 410 %c = load i32, ptr %0, align 411 br label %test112test1:13 %e = load i32, ptr %0, align 414 br i1 true, label %first, label %next15test:16 %d = load i32, ptr %0, align 417 br i1 true, label %first, label %next18first:19 %1 = phi i32 [ %c, %test ], [ %e, %test1 ]20 ret void21next:22 ret void23}24 25define void @function2(ptr %a, ptr %b) {26entry:27 %0 = alloca i32, align 428 %c = load i32, ptr %0, align 429 br label %test130test1:31 %e = load i32, ptr %0, align 432 br i1 true, label %first, label %next33test:34 %d = load i32, ptr %0, align 435 br i1 true, label %first, label %next36first:37 ret void38next:39 %1 = phi i32 [ %c, %test ], [ %e, %test1 ]40 ret void41}42; CHECK-LABEL: @function1(43; CHECK-NEXT: entry:44; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 445; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 446; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[DOTCE_LOC]])47; CHECK-NEXT: [[TMP1:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]], i32 0)48; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 449; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[DOTCE_LOC]])50; CHECK-NEXT: br i1 [[TMP1]], label [[FIRST:%.*]], label [[NEXT:%.*]]51; CHECK: first:52; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]53; CHECK-NEXT: ret void54; CHECK: next:55; CHECK-NEXT: ret void56;57;58; CHECK-LABEL: @function2(59; CHECK-NEXT: entry:60; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 461; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 462; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[DOTCE_LOC]])63; CHECK-NEXT: [[TMP1:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]], i32 1)64; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 465; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[DOTCE_LOC]])66; CHECK-NEXT: br i1 [[TMP1]], label [[FIRST:%.*]], label [[NEXT:%.*]]67; CHECK: first:68; CHECK-NEXT: ret void69; CHECK: next:70; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]71; CHECK-NEXT: ret void72;73;74; CHECK-LABEL: define internal i1 @outlined_ir_func_0(75; CHECK-NEXT: newFuncRoot:76; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]77; CHECK: entry_to_outline:78; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0:%.*]], align 479; CHECK-NEXT: br label [[TEST1:%.*]]80; CHECK: test1:81; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0]], align 482; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT:%.*]], label [[PHI_BLOCK:%.*]]83; CHECK: test:84; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 485; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT]], label [[PHI_BLOCK]]86; CHECK: first.split:87; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[C]], [[TEST:%.*]] ], [ [[E]], [[TEST1]] ]88; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]89; CHECK: first.exitStub:90; CHECK-NEXT: switch i32 [[TMP2:%.*]], label [[FINAL_BLOCK_1:%.*]] [91; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_1:%.*]]92; CHECK-NEXT: ]93; CHECK: next.exitStub:94; CHECK-NEXT: switch i32 [[TMP2]], label [[FINAL_BLOCK_0:%.*]] [95; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_1_0:%.*]]96; CHECK-NEXT: ]97; CHECK: output_block_0_1:98; CHECK-NEXT: store i32 [[DOTCE]], ptr [[TMP1:%.*]], align 499; CHECK-NEXT: br label [[FINAL_BLOCK_1]]100; CHECK: output_block_1_0:101; CHECK-NEXT: store i32 [[TMP3:%.*]], ptr [[TMP1]], align 4102; CHECK-NEXT: br label [[FINAL_BLOCK_0]]103; CHECK: phi_block:104; CHECK-NEXT: [[TMP3]] = phi i32 [ [[C]], [[TEST]] ], [ [[E]], [[TEST1]] ]105; CHECK-NEXT: br label [[NEXT_EXITSTUB:%.*]]106; CHECK: final_block_0:107; CHECK-NEXT: ret i1 false108; CHECK: final_block_1:109; CHECK-NEXT: ret i1 true110;111