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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S < %s -passes=loop-unroll | FileCheck %s3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"4target triple = "x86_64-unknown-linux-gnu"5 6define i32 @test() {7; CHECK-LABEL: @test(8; CHECK-NEXT: bb:9; CHECK-NEXT: br label [[BB1:%.*]]10; CHECK: bb1:11; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ -147, [[BB:%.*]] ], [ [[TMP14:%.*]], [[BB13:%.*]] ]12; CHECK-NEXT: br label [[BB2_PEEL_BEGIN:%.*]]13; CHECK: bb2.peel.begin:14; CHECK-NEXT: br label [[BB2_PEEL:%.*]]15; CHECK: bb2.peel:16; CHECK-NEXT: [[TMP4_PEEL:%.*]] = add nsw i32 undef, [[TMP]]17; CHECK-NEXT: br label [[BB5_PEEL:%.*]]18; CHECK: bb5.peel:19; CHECK-NEXT: [[TMP6_PEEL:%.*]] = icmp eq i32 undef, 3320; CHECK-NEXT: br i1 [[TMP6_PEEL]], label [[BB7_PEEL:%.*]], label [[BB15_LOOPEXIT2:%.*]]21; CHECK: bb7.peel:22; CHECK-NEXT: [[TMP8_PEEL:%.*]] = sub nsw i32 undef, undef23; CHECK-NEXT: [[TMP9_PEEL:%.*]] = icmp eq i32 [[TMP8_PEEL]], 024; CHECK-NEXT: br i1 [[TMP9_PEEL]], label [[BB10_PEEL:%.*]], label [[BB10_PEEL]]25; CHECK: bb10.peel:26; CHECK-NEXT: [[TMP11_PEEL:%.*]] = icmp eq i8 undef, 027; CHECK-NEXT: br i1 [[TMP11_PEEL]], label [[BB12_PEEL:%.*]], label [[BB17_LOOPEXIT3:%.*]]28; CHECK: bb12.peel:29; CHECK-NEXT: br i1 false, label [[BB13]], label [[BB2_PEEL_NEXT:%.*]]30; CHECK: bb2.peel.next:31; CHECK-NEXT: br label [[BB2_PEEL_NEXT1:%.*]]32; CHECK: bb2.peel.next1:33; CHECK-NEXT: br label [[BB1_PEEL_NEWPH:%.*]]34; CHECK: bb1.peel.newph:35; CHECK-NEXT: br label [[BB2:%.*]]36; CHECK: bb2:37; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[TMP4_PEEL]], [[BB1_PEEL_NEWPH]] ], [ [[TMP4:%.*]], [[BB12:%.*]] ]38; CHECK-NEXT: [[TMP4]] = add nsw i32 [[TMP3]], [[TMP]]39; CHECK-NEXT: br label [[BB5:%.*]]40; CHECK: bb5:41; CHECK-NEXT: br i1 undef, label [[BB7:%.*]], label [[BB15_LOOPEXIT:%.*]]42; CHECK: bb7:43; CHECK-NEXT: br i1 undef, label [[BB10:%.*]], label [[BB10]]44; CHECK: bb10:45; CHECK-NEXT: br i1 undef, label [[BB12]], label [[BB17_LOOPEXIT:%.*]]46; CHECK: bb12:47; CHECK-NEXT: br i1 false, label [[BB13_LOOPEXIT:%.*]], label [[BB2]], !llvm.loop [[LOOP0:![0-9]+]]48; CHECK: bb13.loopexit:49; CHECK-NEXT: br label [[BB13]]50; CHECK: bb13:51; CHECK-NEXT: [[TMP14]] = add nsw i32 [[TMP]], -152; CHECK-NEXT: br label [[BB1]]53; CHECK: bb15.loopexit:54; CHECK-NEXT: br label [[BB15:%.*]]55; CHECK: bb15.loopexit2:56; CHECK-NEXT: br label [[BB15]]57; CHECK: bb15:58; CHECK-NEXT: [[TMP16:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 17) [ "deopt"() ]59; CHECK-NEXT: ret i32 [[TMP16]]60; CHECK: bb17.loopexit:61; CHECK-NEXT: br label [[BB17:%.*]]62; CHECK: bb17.loopexit3:63; CHECK-NEXT: br label [[BB17]]64; CHECK: bb17:65; CHECK-NEXT: [[TMP18:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 6) [ "deopt"() ]66; CHECK-NEXT: ret i32 [[TMP18]]67;68bb:69 br label %bb170 71bb1: ; preds = %bb13, %bb72 %tmp = phi i32 [ -147, %bb ], [ %tmp14, %bb13 ]73 br label %bb274 75bb2: ; preds = %bb12, %bb176 %tmp3 = phi i32 [ undef, %bb1 ], [ %tmp4, %bb12 ]77 %tmp4 = add nsw i32 %tmp3, %tmp78 br label %bb579 80bb5: ; preds = %bb281 %tmp6 = icmp eq i32 undef, 3382 br i1 %tmp6, label %bb7, label %bb1583 84bb7: ; preds = %bb585 %tmp8 = sub nsw i32 %tmp3, undef86 %tmp9 = icmp eq i32 %tmp8, 087 br i1 %tmp9, label %bb10, label %bb1088 89bb10: ; preds = %bb7, %bb790 %tmp11 = icmp eq i8 undef, 091 br i1 %tmp11, label %bb12, label %bb1792 93bb12: ; preds = %bb1094 br i1 false, label %bb13, label %bb295 96bb13: ; preds = %bb1297 %tmp14 = add nsw i32 %tmp, -198 br label %bb199 100bb15: ; preds = %bb5101 %tmp16 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 17) [ "deopt"() ]102 ret i32 %tmp16103 104bb17: ; preds = %bb10105 %tmp18 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 6) [ "deopt"() ]106 ret i32 %tmp18107}108 109declare i32 @llvm.experimental.deoptimize.i32(...)110