1; RUN: opt -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s 2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4@b = common local_unnamed_addr global i8 0, align 1 5 6define void @doit1(ptr %ptr) { 7; CHECK-LABEL: @doit1( 8; CHECK: vector.body: 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]] ] 13 14; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0 15 16; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]] 17 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 21 22; CHECK-NEXT: [[MAIN_IV_NEXT]] = add nuw i32 [[MAIN_IV]], 4 23; CHECK-NEXT: [[I32_IV_NEXT]] = add <4 x i32> [[I32_IV]], splat (i32 36) 24; CHECK-NEXT: [[IV_FROM_TRUNC_NEXT]] = add <4 x i8> [[IV_FROM_TRUNC]], splat (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 27; 28entry: 29 br label %for.body 30 31for.body: 32 %main.iv = phi i32 [ 0, %entry ], [ %inc, %for.body ] 33 34 %i8.iv = phi i8 [ 0, %entry ], [ %i8.add, %for.body ] 35 %i32.iv = phi i32 [ 0, %entry ], [ %i32.add, %for.body ] 36 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 39 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 44 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 48 49for.cond.for.end_crit_edge: 50 store i8 %i8.add, ptr @b, align 1 51 br label %for.end 52 53for.end: 54 ret void 55} 56