; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -indvars -S %s | FileCheck %s %struct.A = type { i8 } @c = global %struct.A* null @d = global i32 4 define void @_Z3fn1v() { ; CHECK-LABEL: @_Z3fn1v( ; CHECK-NEXT: [[X2:%.*]] = load i32, i32* @d, align 4 ; CHECK-NEXT: [[X3:%.*]] = icmp slt i32 [[X2]], 1 ; CHECK-NEXT: [[X4:%.*]] = select i1 [[X3]], i32 1, i32 [[X2]] ; CHECK-NEXT: [[X5:%.*]] = load %struct.A*, %struct.A** @c, align 8 ; CHECK-NEXT: [[J_SROA_0_0__SROA_IDX:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[X5]], i64 0, i32 0 ; CHECK-NEXT: [[J_SROA_0_0_COPYLOAD:%.*]] = load i8, i8* [[J_SROA_0_0__SROA_IDX]], align 1 ; CHECK-NEXT: br label [[DOTPREHEADER4_LR_PH:%.*]] ; CHECK: .preheader4.lr.ph: ; CHECK-NEXT: [[TMP1:%.*]] = add nsw i32 [[X4]], -1 ; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64 ; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1 ; CHECK-NEXT: [[TMP4:%.*]] = sext i8 [[J_SROA_0_0_COPYLOAD]] to i64 ; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[TMP3]], [[TMP4]] ; CHECK-NEXT: br label [[DOTPREHEADER4:%.*]] ; CHECK: .preheader4: ; CHECK-NEXT: [[K_09:%.*]] = phi i8* [ undef, [[DOTPREHEADER4_LR_PH]] ], [ [[X25:%.*]], [[X22:%.*]] ] ; CHECK-NEXT: [[X8:%.*]] = icmp ult i32 0, 4 ; CHECK-NEXT: br i1 [[X8]], label [[DOTPREHEADER_LR_PH:%.*]], label [[X22]] ; CHECK: .preheader.lr.ph: ; CHECK-NEXT: br label [[DOTPREHEADER:%.*]] ; CHECK: .preheader: ; CHECK-NEXT: br label [[X17:%.*]] ; CHECK: x17: ; CHECK-NEXT: br i1 false, label [[DOTPREHEADER]], label [[DOT_CRIT_EDGE_8:%.*]] ; CHECK: ._crit_edge.8: ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[K_09]], i64 [[TMP5]] ; CHECK-NEXT: br label [[X22]] ; CHECK: x22: ; CHECK-NEXT: [[K_1_LCSSA:%.*]] = phi i8* [ [[SCEVGEP]], [[DOT_CRIT_EDGE_8]] ], [ [[K_09]], [[DOTPREHEADER4]] ] ; CHECK-NEXT: [[X25]] = getelementptr i8, i8* [[K_1_LCSSA]] ; CHECK-NEXT: br label [[DOTPREHEADER4]] ; %x2 = load i32, i32* @d %x3 = icmp slt i32 %x2, 1 %x4 = select i1 %x3, i32 1, i32 %x2 %x5 = load %struct.A*, %struct.A** @c %j.sroa.0.0..sroa_idx = getelementptr %struct.A, %struct.A* %x5, i64 0, i32 0 %j.sroa.0.0.copyload = load i8, i8* %j.sroa.0.0..sroa_idx br label %.preheader4.lr.ph .preheader4.lr.ph: ; preds = %0 br label %.preheader4 .preheader4: ; preds = %x22, %.preheader4.lr.ph %k.09 = phi i8* [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ] %x8 = icmp ult i32 0, 4 br i1 %x8, label %.preheader.lr.ph, label %x22 .preheader.lr.ph: ; preds = %.preheader4 br label %.preheader .preheader: ; preds = %x17, %.preheader.lr.ph %k.17 = phi i8* [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ] %v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ] br label %x17 x17: ; preds = %.preheader %x18 = sext i8 %j.sroa.0.0.copyload to i64 %x19 = getelementptr i8, i8* %k.17, i64 %x18 %x20 = add i32 %v.06, 1 %x21 = icmp ult i32 %x20, %x4 br i1 %x21, label %.preheader, label %._crit_edge.8 ._crit_edge.8: ; preds = %x17 %split = phi i8* [ %x19, %x17 ] br label %x22 x22: ; preds = %._crit_edge.8, %.preheader4 %k.1.lcssa = phi i8* [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ] %x25 = getelementptr i8, i8* %k.1.lcssa br label %.preheader4 }