1; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s 2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3@a = common local_unnamed_addr global i32 0, align 4 4@b = common local_unnamed_addr global i8 0, align 1 5 6; Function Attrs: norecurse nounwind uwtable 7define void @doit1() local_unnamed_addr{ 8entry: 9 br label %for.body 10 11for.body: 12 %main.iv = phi i32 [ 0, %entry ], [ %inc, %for.body ] 13 14 %i8.iv = phi i8 [ 0, %entry ], [ %i8.add, %for.body ] 15 %i32.iv = phi i32 [ 0, %entry ], [ %i32.add, %for.body ] 16 17 %trunc.to.be.converted.to.new.iv = trunc i32 %i32.iv to i8 18 %i8.add = add i8 %i8.iv, %trunc.to.be.converted.to.new.iv 19 20 %noop.conv.under.pse = and i32 %i32.iv, 255 21 %i32.add = add nuw nsw i32 %noop.conv.under.pse, 9 22 23 %inc = add i32 %main.iv, 1 24 %tobool = icmp eq i32 %inc, 16 25 br i1 %tobool, label %for.cond.for.end_crit_edge, label %for.body 26 27; CHECK-LABEL: @doit1( 28; CHECK: vector.body: 29; CHECK-NEXT: [[MAIN_IV:%.*]] = phi i32 [ 0, [[VECTOR_PH:%.*]] ], [ [[MAIN_IV_NEXT:%.*]], [[VECTOR_BODY:%.*]] ] 30; CHECK-NEXT: [[I8_IV:%.*]] = phi <4 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[I8_IV_NEXT:%.*]], [[VECTOR_BODY]] ] 31; CHECK-NEXT: [[I32_IV:%.*]] = phi <4 x i32> [ <i32 0, i32 9, i32 18, i32 27>, [[VECTOR_PH]] ], [ [[I32_IV_NEXT:%.*]], [[VECTOR_BODY]] ] 32; CHECK-NEXT: [[IV_FROM_TRUNC:%.*]] = phi <4 x i8> [ <i8 0, i8 9, i8 18, i8 27>, [[VECTOR_PH]] ], [ [[IV_FROM_TRUNC_NEXT:%.*]], [[VECTOR_BODY]] ] 33 34; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0 35 36; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]] 37 38; CHECK-NEXT: [[MAIN_IV_NEXT]] = add i32 [[MAIN_IV]], 4 39; CHECK-NEXT: [[I32_IV_NEXT]] = add <4 x i32> [[I32_IV]], <i32 36, i32 36, i32 36, i32 36> 40; CHECK-NEXT: [[IV_FROM_TRUNC_NEXT]] = add <4 x i8> [[IV_FROM_TRUNC]], <i8 36, i8 36, i8 36, i8 36> 41; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[MAIN_IV_NEXT]], 16 42; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 43 44for.cond.for.end_crit_edge: 45 store i8 %i8.add, i8* @b, align 1 46 br label %for.end 47 48for.end: 49 ret void 50} 51