| Andrei Elovikov | 7457aa0 | 2018-01-15 10:56:07 +0000 | [diff] [blame] | 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 |
| 5 | |
| 6 | ; Function Attrs: norecurse nounwind uwtable |
| 7 | define void @doit1() local_unnamed_addr{ |
| 8 | entry: |
| 9 | br label %for.body |
| 10 | |
| 11 | for.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: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> undef, i32 [[MAIN_IV]], i32 0 |
| 35 | ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> undef, <4 x i32> zeroinitializer |
| 36 | ; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[BROADCAST_SPLAT]], <i32 0, i32 1, i32 2, i32 3> |
| 37 | ; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0 |
| 38 | |
| 39 | ; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]] |
| 40 | |
| 41 | ; CHECK-NEXT: [[MAIN_IV_NEXT]] = add i32 [[MAIN_IV]], 4 |
| 42 | ; CHECK-NEXT: [[I32_IV_NEXT]] = add <4 x i32> [[I32_IV]], <i32 36, i32 36, i32 36, i32 36> |
| 43 | ; CHECK-NEXT: [[IV_FROM_TRUNC_NEXT]] = add <4 x i8> [[IV_FROM_TRUNC]], <i8 36, i8 36, i8 36, i8 36> |
| 44 | ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[MAIN_IV_NEXT]], 16 |
| 45 | ; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 |
| 46 | |
| 47 | for.cond.for.end_crit_edge: |
| 48 | store i8 %i8.add, i8* @b, align 1 |
| 49 | br label %for.end |
| 50 | |
| 51 | for.end: |
| 52 | ret void |
| 53 | } |