1 ; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s
2 target 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
6 ; Function Attrs: norecurse nounwind uwtable
7 define void @doit1() local_unnamed_addr{
12 %main.iv = phi i32 [ 0, %entry ], [ %inc, %for.body ]
14 %i8.iv = phi i8 [ 0, %entry ], [ %i8.add, %for.body ]
15 %i32.iv = phi i32 [ 0, %entry ], [ %i32.add, %for.body ]
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
20 %noop.conv.under.pse = and i32 %i32.iv, 255
21 %i32.add = add nuw nsw i32 %noop.conv.under.pse, 9
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
27 ; CHECK-LABEL: @doit1(
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]] ]
34 ; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0
36 ; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]]
38 ; CHECK-NEXT: [[MAIN_IV_NEXT]] = add nuw 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
44 for.cond.for.end_crit_edge:
45 store i8 %i8.add, i8* @b, align 1