1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -indvars -S %s | FileCheck %s 3 4%struct.A = type { i8 } 5 6@c = global %struct.A* null 7@d = global i32 4 8 9define void @_Z3fn1v() { 10; CHECK-LABEL: @_Z3fn1v( 11; CHECK-NEXT: [[X2:%.*]] = load i32, i32* @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 %struct.A*, %struct.A** @c, align 8 15; CHECK-NEXT: [[J_SROA_0_0__SROA_IDX:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[X5]], i64 0, i32 0 16; CHECK-NEXT: [[J_SROA_0_0_COPYLOAD:%.*]] = load i8, i8* [[J_SROA_0_0__SROA_IDX]], align 1 17; CHECK-NEXT: br label [[DOTPREHEADER4_LR_PH:%.*]] 18; CHECK: .preheader4.lr.ph: 19; CHECK-NEXT: [[TMP1:%.*]] = add nsw i32 [[X4]], -1 20; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64 21; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1 22; CHECK-NEXT: [[TMP4:%.*]] = sext i8 [[J_SROA_0_0_COPYLOAD]] to i64 23; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[TMP3]], [[TMP4]] 24; CHECK-NEXT: br label [[DOTPREHEADER4:%.*]] 25; CHECK: .preheader4: 26; CHECK-NEXT: [[K_09:%.*]] = phi i8* [ undef, [[DOTPREHEADER4_LR_PH]] ], [ [[X25:%.*]], [[X22:%.*]] ] 27; CHECK-NEXT: [[X8:%.*]] = icmp ult i32 0, 4 28; CHECK-NEXT: br i1 [[X8]], label [[DOTPREHEADER_LR_PH:%.*]], label [[X22]] 29; CHECK: .preheader.lr.ph: 30; CHECK-NEXT: br label [[DOTPREHEADER:%.*]] 31; CHECK: .preheader: 32; CHECK-NEXT: br label [[X17:%.*]] 33; CHECK: x17: 34; CHECK-NEXT: br i1 false, label [[DOTPREHEADER]], label [[DOT_CRIT_EDGE_8:%.*]] 35; CHECK: ._crit_edge.8: 36; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[K_09]], i64 [[TMP5]] 37; CHECK-NEXT: br label [[X22]] 38; CHECK: x22: 39; CHECK-NEXT: [[K_1_LCSSA:%.*]] = phi i8* [ [[SCEVGEP]], [[DOT_CRIT_EDGE_8]] ], [ [[K_09]], [[DOTPREHEADER4]] ] 40; CHECK-NEXT: [[X25]] = getelementptr i8, i8* [[K_1_LCSSA]] 41; CHECK-NEXT: br label [[DOTPREHEADER4]] 42; 43 %x2 = load i32, i32* @d 44 %x3 = icmp slt i32 %x2, 1 45 %x4 = select i1 %x3, i32 1, i32 %x2 46 %x5 = load %struct.A*, %struct.A** @c 47 %j.sroa.0.0..sroa_idx = getelementptr %struct.A, %struct.A* %x5, i64 0, i32 0 48 %j.sroa.0.0.copyload = load i8, i8* %j.sroa.0.0..sroa_idx 49 br label %.preheader4.lr.ph 50 51.preheader4.lr.ph: ; preds = %0 52 br label %.preheader4 53 54.preheader4: ; preds = %x22, %.preheader4.lr.ph 55 %k.09 = phi i8* [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ] 56 %x8 = icmp ult i32 0, 4 57 br i1 %x8, label %.preheader.lr.ph, label %x22 58 59.preheader.lr.ph: ; preds = %.preheader4 60 br label %.preheader 61 62.preheader: ; preds = %x17, %.preheader.lr.ph 63 %k.17 = phi i8* [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ] 64 %v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ] 65 br label %x17 66 67x17: ; preds = %.preheader 68 %x18 = sext i8 %j.sroa.0.0.copyload to i64 69 %x19 = getelementptr i8, i8* %k.17, i64 %x18 70 %x20 = add i32 %v.06, 1 71 %x21 = icmp ult i32 %x20, %x4 72 br i1 %x21, label %.preheader, label %._crit_edge.8 73 74._crit_edge.8: ; preds = %x17 75 %split = phi i8* [ %x19, %x17 ] 76 br label %x22 77 78x22: ; preds = %._crit_edge.8, %.preheader4 79 %k.1.lcssa = phi i8* [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ] 80 %x25 = getelementptr i8, i8* %k.1.lcssa 81 br label %.preheader4 82} 83