1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s 3 4; From a simple program with two address spaces: 5; char Y[4*10000] __attribute__((address_space(1))); 6; char X[4*10000]; 7; int main() { 8; for (int i = 0; i < 4*10000; ++i) 9; X[i] = Y[i] + 1; 10; return 0; 11;} 12 13target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 14 15@Y = common addrspace(1) global [40000 x i8] zeroinitializer, align 16 16@X = common global [40000 x i8] zeroinitializer, align 16 17 18define i32 @main() #0 { 19; CHECK-LABEL: define i32 @main 20; CHECK-SAME: () #[[ATTR0:[0-9]+]] { 21; CHECK-NEXT: entry: 22; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 23; CHECK: vector.ph: 24; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 25; CHECK: vector.body: 26; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 27; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [40000 x i8], ptr addrspace(1) @Y, i64 0, i64 [[INDEX]] 28; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, ptr addrspace(1) [[TMP0]], align 1 29; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i8> [[WIDE_LOAD]], splat (i8 1) 30; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [40000 x i8], ptr @X, i64 0, i64 [[INDEX]] 31; CHECK-NEXT: store <4 x i8> [[TMP1]], ptr [[TMP2]], align 1 32; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 33; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 40000 34; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 35; CHECK: middle.block: 36; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] 37; CHECK: scalar.ph: 38; CHECK-NEXT: br label [[FOR_BODY:%.*]] 39; CHECK: for.body: 40; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 41; CHECK: for.end: 42; CHECK-NEXT: ret i32 0 43; 44entry: 45 br label %for.body 46 47for.body: ; preds = %for.body, %entry 48 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 49 %arrayidx = getelementptr inbounds [40000 x i8], ptr addrspace(1) @Y, i64 0, i64 %indvars.iv 50 %0 = load i8, ptr addrspace(1) %arrayidx, align 1 51 %add = add i8 %0, 1 52 %arrayidx3 = getelementptr inbounds [40000 x i8], ptr @X, i64 0, i64 %indvars.iv 53 store i8 %add, ptr %arrayidx3, align 1 54 %indvars.iv.next = add i64 %indvars.iv, 1 55 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 56 %exitcond = icmp eq i32 %lftr.wideiv, 40000 57 br i1 %exitcond, label %for.end, label %for.body 58 59for.end: ; preds = %for.body 60 ret i32 0 61} 62 63attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 64