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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 are able to outline when all of the phi nodes in the starting5; block are included in the region and there is no more than one predecessor6; into those phi nodes from outside of the region.7 8define void @function1(ptr %a, ptr %b) {9entry:10 %0 = alloca i32, align 411 %c = load i32, ptr %0, align 412 %y = add i32 %c, %c13 br label %test114dummy:15 ret void16test1:17 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ]18 %2 = phi i32 [ %e, %test1 ], [ %y, %entry ]19 %e = load i32, ptr %0, align 420 %3 = add i32 %c, %c21 br i1 true, label %test, label %test122test:23 %d = load i32, ptr %0, align 424 br label %first25first:26 ret void27}28 29define void @function2(ptr %a, ptr %b) {30entry:31 %0 = alloca i32, align 432 %c = load i32, ptr %0, align 433 %y = mul i32 %c, %c34 br label %test135dummy:36 ret void37test1:38 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ]39 %2 = phi i32 [ %e, %test1 ], [ %y, %entry ]40 %e = load i32, ptr %0, align 441 %3 = add i32 %c, %c42 br i1 true, label %test, label %test143test:44 %d = load i32, ptr %0, align 445 br label %first46first:47 ret void48}49; CHECK-LABEL: @function1(50; CHECK-NEXT: entry:51; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 452; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 453; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]]54; CHECK-NEXT: br label [[TEST1:%.*]]55; CHECK: dummy:56; CHECK-NEXT: ret void57; CHECK: test1:58; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]])59; CHECK-NEXT: br label [[FIRST:%.*]]60; CHECK: first:61; CHECK-NEXT: ret void62;63;64; CHECK-LABEL: @function2(65; CHECK-NEXT: entry:66; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 467; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 468; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]]69; CHECK-NEXT: br label [[TEST1:%.*]]70; CHECK: dummy:71; CHECK-NEXT: ret void72; CHECK: test1:73; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]])74; CHECK-NEXT: br label [[FIRST:%.*]]75; CHECK: first:76; CHECK-NEXT: ret void77;78;79; CHECK: define internal void @outlined_ir_func_0(80; CHECK-NEXT: newFuncRoot:81; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]]82; CHECK: test1_to_outline:83; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[E:%.*]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0:%.*]], [[NEWFUNCROOT:%.*]] ]84; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[E]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0]], [[NEWFUNCROOT]] ]85; CHECK-NEXT: [[E]] = load i32, ptr [[TMP1:%.*]], align 486; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP2:%.*]], [[TMP2]]87; CHECK-NEXT: br i1 true, label [[TEST:%.*]], label [[TEST1_TO_OUTLINE]]88; CHECK: test:89; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP1]], align 490; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]91; CHECK: first.exitStub:92; CHECK-NEXT: ret void93;94