30 lines
1.0 KiB
LLVM
30 lines
1.0 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
|
|
|
|
; rdar://problem/12848162
|
|
|
|
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"
|
|
|
|
@a = common global [2048 x i32] zeroinitializer, align 16
|
|
|
|
;CHECK-LABEL: @example12(
|
|
;CHECK: %vec.ind1 = phi <4 x i32>
|
|
;CHECK: store <4 x i32>
|
|
;CHECK: ret void
|
|
define void @example12() nounwind uwtable ssp {
|
|
br label %1
|
|
|
|
; <label>:1 ; preds = %1, %0
|
|
%indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
|
|
%2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv
|
|
%3 = trunc i64 %indvars.iv to i32
|
|
store i32 %3, i32* %2, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, 1024
|
|
br i1 %exitcond, label %4, label %1
|
|
|
|
; <label>:4 ; preds = %1
|
|
ret void
|
|
}
|
|
|