1 ; RUN: opt -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4 @b = common local_unnamed_addr global i8 0, align 1
6 define void @doit1(ptr %ptr) {
9 ; CHECK-NEXT: [[MAIN_IV:%.*]] = phi i32 [ 0, [[VECTOR_PH:%.*]] ], [ [[MAIN_IV_NEXT:%.*]], [[VECTOR_BODY:%.*]] ]
10 ; CHECK-NEXT: [[I8_IV:%.*]] = phi <4 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[I8_IV_NEXT:%.*]], [[VECTOR_BODY]] ]
11 ; CHECK-NEXT: [[I32_IV:%.*]] = phi <4 x i32> [ <i32 0, i32 9, i32 18, i32 27>, [[VECTOR_PH]] ], [ [[I32_IV_NEXT:%.*]], [[VECTOR_BODY]] ]
12 ; 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]] ]
14 ; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0
16 ; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]]
18 ; CHECK-NEXT: [[GEP1:%.+]] = getelementptr inbounds i32, ptr %ptr, i32 [[TMP7]]
19 ; CHECK-NEXT: [[GEP2:%.+]] = getelementptr inbounds i32, ptr [[GEP1]], i32 0
20 ; CHECK-NEXT: store <4 x i32> [[I32_IV]], ptr [[GEP2]], align 4
22 ; CHECK-NEXT: [[MAIN_IV_NEXT]] = add nuw i32 [[MAIN_IV]], 4
23 ; CHECK-NEXT: [[I32_IV_NEXT]] = add <4 x i32> [[I32_IV]], <i32 36, i32 36, i32 36, i32 36>
24 ; CHECK-NEXT: [[IV_FROM_TRUNC_NEXT]] = add <4 x i8> [[IV_FROM_TRUNC]], <i8 36, i8 36, i8 36, i8 36>
25 ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[MAIN_IV_NEXT]], 16
26 ; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
32 %main.iv = phi i32 [ 0, %entry ], [ %inc, %for.body ]
34 %i8.iv = phi i8 [ 0, %entry ], [ %i8.add, %for.body ]
35 %i32.iv = phi i32 [ 0, %entry ], [ %i32.add, %for.body ]
37 %trunc.to.be.converted.to.new.iv = trunc i32 %i32.iv to i8
38 %i8.add = add i8 %i8.iv, %trunc.to.be.converted.to.new.iv
40 %ptr.gep = getelementptr inbounds i32, ptr %ptr, i32 %main.iv
41 store i32 %i32.iv, ptr %ptr.gep
42 %noop.conv.under.pse = and i32 %i32.iv, 255
43 %i32.add = add nuw nsw i32 %noop.conv.under.pse, 9
45 %inc = add i32 %main.iv, 1
46 %tobool = icmp eq i32 %inc, 16
47 br i1 %tobool, label %for.cond.for.end_crit_edge, label %for.body
49 for.cond.for.end_crit_edge:
50 store i8 %i8.add, ptr @b, align 1