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; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
; From a simple program with two address spaces:
; char Y[4*10000] __attribute__((address_space(1)));
; char X[4*10000];
; int main() {
; for (int i = 0; i < 4*10000; ++i)
; X[i] = Y[i] + 1;
; return 0;
;}
target 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"
target triple = "x86_64-unknown-linux-gnu"
@Y = common addrspace(1) global [40000 x i8] zeroinitializer, align 16
@X = common global [40000 x i8] zeroinitializer, align 16
;CHECK: @main
;CHECK: bitcast i8 addrspace(1)* %{{.*}} to <4 x i8> addrspace(1)*
;CHECK: bitcast i8* %{{.*}} to <4 x i8>*
; Function Attrs: nounwind uwtable
define i32 @main() #0 {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds [40000 x i8] addrspace(1)* @Y, i64 0, i64 %indvars.iv
%0 = load i8 addrspace(1)* %arrayidx, align 1, !tbaa !0
%add = add i8 %0, 1
%arrayidx3 = getelementptr inbounds [40000 x i8]* @X, i64 0, i64 %indvars.iv
store i8 %add, i8* %arrayidx3, align 1, !tbaa !0
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, 40000
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 0
}
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
!0 = metadata !{metadata !"omnipotent char", metadata !1}
!1 = metadata !{metadata !"Simple C/C++ TBAA"}
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