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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 label %first15test:16 %d = load i32, ptr %0, align 417 br label %first18dummy:19 ret void20first:21 %1 = phi i32 [ %c, %test ], [ %e, %test1 ]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 label %first33test:34 %d = load i32, ptr %0, align 435 br label %first36dummy:37 ret void38first: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: call void @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]])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 label [[FIRST:%.*]]51; CHECK: dummy:52; CHECK-NEXT: ret void53; CHECK: first:54; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]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: call void @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]])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 label [[FIRST:%.*]]67; CHECK: dummy:68; CHECK-NEXT: ret void69; CHECK: first:70; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]71; CHECK-NEXT: ret void72;73;74; CHECK-LABEL: define internal void @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 label [[FIRST_SPLIT:%.*]]83; CHECK: test:84; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 485; CHECK-NEXT: br label [[FIRST_SPLIT]]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: store i32 [[DOTCE]], ptr [[TMP1:%.*]], align 491; CHECK-NEXT: ret void92;93