xref: /llvm-project/llvm/test/Transforms/LoopVectorize/AArch64/prefer-fixed-if-equal-to-scalable.ll (revision 8552c490462eb4180733d1f80d7b381e1518e29f)
1; RUN: opt -S < %s -passes=loop-vectorize -mcpu=generic -mattr=+sve2 | FileCheck %s --check-prefix=CHECK-GENERIC
2; RUN: opt -S < %s -passes=loop-vectorize -mcpu=neoverse-v2 | FileCheck %s --check-prefix=CHECK-PREFERFIXED
3; RUN: opt -S < %s -passes=loop-vectorize -mcpu=cortex-x2 | FileCheck %s --check-prefix=CHECK-PREFERFIXED
4; RUN: opt -S < %s -passes=loop-vectorize -mcpu=cortex-x3 | FileCheck %s --check-prefix=CHECK-PREFERFIXED
5; RUN: opt -S < %s -passes=loop-vectorize -mcpu=cortex-x4 | FileCheck %s --check-prefix=CHECK-PREFERFIXED
6; RUN: opt -S < %s -passes=loop-vectorize -mcpu=cortex-x925 | FileCheck %s --check-prefix=CHECK-PREFERFIXED
7
8target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
9target triple = "aarch64-unknown-linux-gnu"
10
11@a = dso_local local_unnamed_addr global [32000 x float] zeroinitializer, align 64
12@b = dso_local local_unnamed_addr global [32000 x float] zeroinitializer, align 64
13
14define void @test() #0 {
15; CHECK-GENERIC-LABEL: define void @test(
16; CHECK-GENERIC:       store <vscale x 4 x float>
17; CHECK-PREFERFIXED-LABEL: define void @test(
18; CHECK-PREFERFIXED:       store <4 x float>
19;
20entry:
21  br label %for.body
22
23for.cond.cleanup:
24  ret void
25
26for.body:
27  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
28  %arrayidx = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %indvars.iv
29  %0 = load float, ptr %arrayidx, align 4
30  %arrayidx2 = getelementptr inbounds [32000 x float], ptr @b, i64 0, i64 %indvars.iv
31  %1 = load float, ptr %arrayidx2, align 4
32  %add = fadd fast float %1, %0
33  %2 = add nuw nsw i64 %indvars.iv, 16000
34  %arrayidx5 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %2
35  store float %add, ptr %arrayidx5, align 4
36  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
37  %exitcond.not = icmp eq i64 %indvars.iv.next, 16000
38  br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
39}
40
41attributes #0 = { vscale_range(1,16) }
42