1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=indvars -S %s | FileCheck %s 3 4%struct.A = type { i8 } 5 6@c = global ptr null 7@d = global i32 4 8 9define void @_Z3fn1v() { 10; CHECK-LABEL: @_Z3fn1v( 11; CHECK-NEXT: [[X2:%.*]] = load i32, ptr @d, align 4 12; CHECK-NEXT: [[X3:%.*]] = icmp slt i32 [[X2]], 1 13; CHECK-NEXT: [[X4:%.*]] = select i1 [[X3]], i32 1, i32 [[X2]] 14; CHECK-NEXT: [[X5:%.*]] = load ptr, ptr @c, align 8 15; CHECK-NEXT: [[J_SROA_0_0_COPYLOAD:%.*]] = load i8, ptr [[X5]], align 1 16; CHECK-NEXT: br label [[DOTPREHEADER4_LR_PH:%.*]] 17; CHECK: .preheader4.lr.ph: 18; CHECK-NEXT: [[TMP1:%.*]] = add nsw i32 [[X4]], -1 19; CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[TMP1]] to i64 20; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1 21; CHECK-NEXT: [[TMP4:%.*]] = sext i8 [[J_SROA_0_0_COPYLOAD]] to i64 22; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[TMP3]], [[TMP4]] 23; CHECK-NEXT: br label [[DOTPREHEADER4:%.*]] 24; CHECK: .preheader4: 25; CHECK-NEXT: [[K_09:%.*]] = phi ptr [ undef, [[DOTPREHEADER4_LR_PH]] ], [ [[X25:%.*]], [[X22:%.*]] ] 26; CHECK-NEXT: [[X8:%.*]] = icmp ult i32 0, 4 27; CHECK-NEXT: br i1 [[X8]], label [[DOTPREHEADER_LR_PH:%.*]], label [[X22]] 28; CHECK: .preheader.lr.ph: 29; CHECK-NEXT: br label [[DOTPREHEADER:%.*]] 30; CHECK: .preheader: 31; CHECK-NEXT: br label [[X17:%.*]] 32; CHECK: x17: 33; CHECK-NEXT: br i1 false, label [[DOTPREHEADER]], label [[DOT_CRIT_EDGE_8:%.*]] 34; CHECK: ._crit_edge.8: 35; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[K_09]], i64 [[TMP5]] 36; CHECK-NEXT: br label [[X22]] 37; CHECK: x22: 38; CHECK-NEXT: [[K_1_LCSSA:%.*]] = phi ptr [ [[SCEVGEP]], [[DOT_CRIT_EDGE_8]] ], [ [[K_09]], [[DOTPREHEADER4]] ] 39; CHECK-NEXT: [[X25]] = getelementptr i8, ptr [[K_1_LCSSA]] 40; CHECK-NEXT: br label [[DOTPREHEADER4]] 41; 42 %x2 = load i32, ptr @d 43 %x3 = icmp slt i32 %x2, 1 44 %x4 = select i1 %x3, i32 1, i32 %x2 45 %x5 = load ptr, ptr @c 46 %j.sroa.0.0.copyload = load i8, ptr %x5 47 br label %.preheader4.lr.ph 48 49.preheader4.lr.ph: ; preds = %0 50 br label %.preheader4 51 52.preheader4: ; preds = %x22, %.preheader4.lr.ph 53 %k.09 = phi ptr [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ] 54 %x8 = icmp ult i32 0, 4 55 br i1 %x8, label %.preheader.lr.ph, label %x22 56 57.preheader.lr.ph: ; preds = %.preheader4 58 br label %.preheader 59 60.preheader: ; preds = %x17, %.preheader.lr.ph 61 %k.17 = phi ptr [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ] 62 %v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ] 63 br label %x17 64 65x17: ; preds = %.preheader 66 %x18 = sext i8 %j.sroa.0.0.copyload to i64 67 %x19 = getelementptr i8, ptr %k.17, i64 %x18 68 %x20 = add i32 %v.06, 1 69 %x21 = icmp ult i32 %x20, %x4 70 br i1 %x21, label %.preheader, label %._crit_edge.8 71 72._crit_edge.8: ; preds = %x17 73 %split = phi ptr [ %x19, %x17 ] 74 br label %x22 75 76x22: ; preds = %._crit_edge.8, %.preheader4 77 %k.1.lcssa = phi ptr [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ] 78 %x25 = getelementptr i8, ptr %k.1.lcssa 79 br label %.preheader4 80} 81