1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; NOTE: Only %local_3_4 is important here. 3; All other instructions are needed to lure LLVM into executing 4; specific code to trigger a bug. 5; RUN: opt < %s -indvars -S | FileCheck %s 6define i32 @test() { 7; CHECK-LABEL: @test( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: br label [[OUTER:%.*]] 10; CHECK: outer: 11; CHECK-NEXT: [[LOCAL_6_6:%.*]] = phi i32 [ 10, [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[LATCH:%.*]] ] 12; CHECK-NEXT: [[LOCAL_4_5:%.*]] = phi i32 [ 56587, [[ENTRY]] ], [ 0, [[LATCH]] ] 13; CHECK-NEXT: [[LOCAL_3_4:%.*]] = phi i32 [ 2, [[ENTRY]] ], [ [[TMP5]], [[LATCH]] ] 14; CHECK-NEXT: [[DOTUDIV:%.*]] = udiv i32 [[LOCAL_6_6]], 8361 15; CHECK-NEXT: br label [[INNER:%.*]] 16; CHECK: inner: 17; CHECK-NEXT: [[LOCAL_7_3:%.*]] = phi i32 [ 2, [[OUTER]] ], [ [[TMP3:%.*]], [[INNER]] ] 18; CHECK-NEXT: [[LOCAL_4_5_PN:%.*]] = phi i32 [ [[LOCAL_4_5]], [[OUTER]] ], [ [[TMP2:%.*]], [[INNER]] ] 19; CHECK-NEXT: [[LOCAL_3_31:%.*]] = mul i32 [[LOCAL_4_5_PN]], [[DOTUDIV]] 20; CHECK-NEXT: [[TMP0:%.*]] = mul nuw nsw i32 [[LOCAL_7_3]], [[DOTUDIV]] 21; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[LOCAL_3_4]] 22; CHECK-NEXT: [[TMP2]] = add i32 [[TMP1]], [[LOCAL_3_31]] 23; CHECK-NEXT: [[TMP3]] = add nuw nsw i32 [[LOCAL_7_3]], 1 24; CHECK-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LOCAL_7_3]], 4 25; CHECK-NEXT: br i1 [[TMP4]], label [[LATCH]], label [[INNER]] 26; CHECK: latch: 27; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP2]], [[INNER]] ] 28; CHECK-NEXT: [[TMP5]] = add nuw nsw i32 [[LOCAL_6_6]], 1 29; CHECK-NEXT: [[TMP6:%.*]] = icmp ugt i32 [[LOCAL_6_6]], 276 30; CHECK-NEXT: br i1 [[TMP6]], label [[RETURN:%.*]], label [[OUTER]] 31; CHECK: return: 32; CHECK-NEXT: [[DOTLCSSA_LCSSA:%.*]] = phi i32 [ [[DOTLCSSA]], [[LATCH]] ] 33; CHECK-NEXT: ret i32 [[DOTLCSSA_LCSSA]] 34; 35entry: 36 br label %outer 37 38outer: 39 %local_6_6 = phi i32 [ 10, %entry ], [ %5, %latch ] 40 %local_4_5 = phi i32 [ 56587, %entry ], [ 0, %latch ] 41 %local_3_4 = phi i32 [ 2, %entry ], [ %5, %latch ] 42 %.udiv = udiv i32 %local_6_6, 8361 43 br label %inner 44 45inner: 46 %local_7_3 = phi i32 [ 2, %outer ], [ %3, %inner ] 47 %local_4_5.pn = phi i32 [ %local_4_5, %outer ], [ %2, %inner ] 48 %local_3_31 = mul i32 %local_4_5.pn, %.udiv 49 %0 = mul i32 %local_7_3, %.udiv 50 %1 = sub i32 %0, %local_3_4 51 %2 = add i32 %1, %local_3_31 52 %3 = add nuw nsw i32 %local_7_3, 1 53 %4 = icmp ugt i32 %local_7_3, 4 54 br i1 %4, label %latch, label %inner 55 56latch: 57 %.lcssa = phi i32 [ %2, %inner ] 58 %5 = add nuw nsw i32 %local_6_6, 1 59 %6 = icmp ugt i32 %local_6_6, 276 60 br i1 %6, label %return, label %outer 61 62return: 63 %.lcssa.lcssa = phi i32 [ %.lcssa, %latch ] 64 ret i32 %.lcssa.lcssa 65 66} 67 68