; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; NOTE: Only %local_3_4 is important here. ; All other instructions are needed to lure LLVM into executing ; specific code to trigger a bug. ; RUN: opt < %s -indvars -S | FileCheck %s define i32 @test() { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[OUTER:%.*]] ; CHECK: outer: ; CHECK-NEXT: [[LOCAL_6_6:%.*]] = phi i32 [ 10, [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[LOCAL_4_5:%.*]] = phi i32 [ 56587, [[ENTRY]] ], [ 0, [[LATCH]] ] ; CHECK-NEXT: [[LOCAL_3_4:%.*]] = phi i32 [ 2, [[ENTRY]] ], [ [[TMP5]], [[LATCH]] ] ; CHECK-NEXT: [[DOTUDIV:%.*]] = udiv i32 [[LOCAL_6_6]], 8361 ; CHECK-NEXT: br label [[INNER:%.*]] ; CHECK: inner: ; CHECK-NEXT: [[LOCAL_7_3:%.*]] = phi i32 [ 2, [[OUTER]] ], [ [[TMP3:%.*]], [[INNER]] ] ; CHECK-NEXT: [[LOCAL_4_5_PN:%.*]] = phi i32 [ [[LOCAL_4_5]], [[OUTER]] ], [ [[TMP2:%.*]], [[INNER]] ] ; CHECK-NEXT: [[LOCAL_3_31:%.*]] = mul i32 [[LOCAL_4_5_PN]], [[DOTUDIV]] ; CHECK-NEXT: [[TMP0:%.*]] = mul nuw nsw i32 [[LOCAL_7_3]], [[DOTUDIV]] ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[LOCAL_3_4]] ; CHECK-NEXT: [[TMP2]] = add i32 [[TMP1]], [[LOCAL_3_31]] ; CHECK-NEXT: [[TMP3]] = add nuw nsw i32 [[LOCAL_7_3]], 1 ; CHECK-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LOCAL_7_3]], 4 ; CHECK-NEXT: br i1 [[TMP4]], label [[LATCH]], label [[INNER]] ; CHECK: latch: ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP2]], [[INNER]] ] ; CHECK-NEXT: [[TMP5]] = add nuw nsw i32 [[LOCAL_6_6]], 1 ; CHECK-NEXT: [[TMP6:%.*]] = icmp ugt i32 [[LOCAL_6_6]], 276 ; CHECK-NEXT: br i1 [[TMP6]], label [[RETURN:%.*]], label [[OUTER]] ; CHECK: return: ; CHECK-NEXT: [[DOTLCSSA_LCSSA:%.*]] = phi i32 [ [[DOTLCSSA]], [[LATCH]] ] ; CHECK-NEXT: ret i32 [[DOTLCSSA_LCSSA]] ; entry: br label %outer outer: %local_6_6 = phi i32 [ 10, %entry ], [ %5, %latch ] %local_4_5 = phi i32 [ 56587, %entry ], [ 0, %latch ] %local_3_4 = phi i32 [ 2, %entry ], [ %5, %latch ] %.udiv = udiv i32 %local_6_6, 8361 br label %inner inner: %local_7_3 = phi i32 [ 2, %outer ], [ %3, %inner ] %local_4_5.pn = phi i32 [ %local_4_5, %outer ], [ %2, %inner ] %local_3_31 = mul i32 %local_4_5.pn, %.udiv %0 = mul i32 %local_7_3, %.udiv %1 = sub i32 %0, %local_3_4 %2 = add i32 %1, %local_3_31 %3 = add nuw nsw i32 %local_7_3, 1 %4 = icmp ugt i32 %local_7_3, 4 br i1 %4, label %latch, label %inner latch: %.lcssa = phi i32 [ %2, %inner ] %5 = add nuw nsw i32 %local_6_6, 1 %6 = icmp ugt i32 %local_6_6, 276 br i1 %6, label %return, label %outer return: %.lcssa.lcssa = phi i32 [ %.lcssa, %latch ] ret i32 %.lcssa.lcssa }