44 lines
1.8 KiB
LLVM
44 lines
1.8 KiB
LLVM
; RUN: opt < %s -basic-aa -loop-vectorize -force-vector-interleave=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"
|
|
|
|
@Y = common addrspace(1) global [40000 x i8] zeroinitializer, align 16
|
|
@X = common global [40000 x i8] zeroinitializer, align 16
|
|
|
|
;CHECK-LABEL: @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], [40000 x i8] addrspace(1)* @Y, i64 0, i64 %indvars.iv
|
|
%0 = load i8, i8 addrspace(1)* %arrayidx, align 1
|
|
%add = add i8 %0, 1
|
|
%arrayidx3 = getelementptr inbounds [40000 x i8], [40000 x i8]* @X, i64 0, i64 %indvars.iv
|
|
store i8 %add, i8* %arrayidx3, align 1
|
|
%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" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
|