mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-06 20:32:19 +00:00
e190f77f91
cost model for signed division by power of 2 was improved for AArch64. The revision r218607 missed test case for Loop Vectorization. Adding it in this revision. Differential Revision: http://reviews.llvm.org/D6181 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221674 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: opt < %s -loop-vectorize -mtriple=aarch64-unknown-linux-gnu -mcpu=cortex-a57 -S | FileCheck %s
|
|
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
|
|
target triple = "aarch64--linux-gnu"
|
|
|
|
%struct.anon = type { [100 x i32], i32, [100 x i32] }
|
|
|
|
@Foo = common global %struct.anon zeroinitializer, align 4
|
|
|
|
; CHECK-LABEL: @foo(
|
|
; CHECK: load <4 x i32>*
|
|
; CHECK: sdiv <4 x i32>
|
|
; CHECK: store <4 x i32>
|
|
|
|
define void @foo(){
|
|
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 %struct.anon* @Foo, i64 0, i32 2, i64 %indvars.iv
|
|
%0 = load i32* %arrayidx, align 4
|
|
%div = sdiv i32 %0, 2
|
|
%arrayidx2 = getelementptr inbounds %struct.anon* @Foo, i64 0, i32 0, i64 %indvars.iv
|
|
store i32 %div, i32* %arrayidx2, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 100
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|