1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s 2 3 ; From a simple program with two address spaces: 4 ; char Y[4*10000] __attribute__((address_space(1))); 5 ; char X[4*10000]; 6 ; int main() { 7 ; for (int i = 0; i < 4*10000; ++i) 8 ; X[i] = Y[i] + 1; 9 ; return 0; 10 ;} 11 12 13 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" 14 target triple = "x86_64-unknown-linux-gnu" 15 16 @Y = common addrspace(1) global [40000 x i8] zeroinitializer, align 16 17 @X = common global [40000 x i8] zeroinitializer, align 16 18 19 ;CHECK-LABEL: @main( 20 ;CHECK: bitcast i8 addrspace(1)* %{{.*}} to <4 x i8> addrspace(1)* 21 ;CHECK: bitcast i8* %{{.*}} to <4 x i8>* 22 23 ; Function Attrs: nounwind uwtable 24 define i32 @main() #0 { 25 entry: 26 br label %for.body 27 28 for.body: ; preds = %for.body, %entry 29 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 30 %arrayidx = getelementptr inbounds [40000 x i8] addrspace(1)* @Y, i64 0, i64 %indvars.iv 31 %0 = load i8 addrspace(1)* %arrayidx, align 1 32 %add = add i8 %0, 1 33 %arrayidx3 = getelementptr inbounds [40000 x i8]* @X, i64 0, i64 %indvars.iv 34 store i8 %add, i8* %arrayidx3, align 1 35 %indvars.iv.next = add i64 %indvars.iv, 1 36 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 37 %exitcond = icmp eq i32 %lftr.wideiv, 40000 38 br i1 %exitcond, label %for.end, label %for.body 39 40 for.end: ; preds = %for.body 41 ret i32 0 42 } 43 44 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" } 45
