xref: /llvm-project/llvm/test/Analysis/CostModel/X86/loop_v2.ll (revision 9b5f62685ab447ba9d3ea8ac2616e0c76a44d21b)
1; RUN: opt < %s  -passes="print<cost-model>" 2>&1 -disable-output -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
2
3target 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"
4target triple = "x86_64-apple-macosx10.9.0"
5
6define i32 @foo(ptr nocapture %A) nounwind uwtable readonly ssp {
7vector.ph:
8  br label %vector.body
9
10vector.body:                                      ; preds = %vector.body, %vector.ph
11  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
12  %vec.phi = phi <2 x i32> [ zeroinitializer, %vector.ph ], [ %11, %vector.body ]
13  %0 = getelementptr inbounds i32, ptr %A, i64 %index
14  %1 = load <2 x i32>, ptr %0, align 4
15  %2 = sext <2 x i32> %1 to <2 x i64>
16  ;CHECK: cost of 1 {{.*}} extract
17  %3 = extractelement <2 x i64> %2, i32 0
18  %4 = getelementptr inbounds i32, ptr %A, i64 %3
19  ;CHECK: cost of 1 {{.*}} extract
20  %5 = extractelement <2 x i64> %2, i32 1
21  %6 = getelementptr inbounds i32, ptr %A, i64 %5
22  %7 = load i32, ptr %4, align 4
23  ;CHECK: cost of 0 {{.*}} insert
24  %8 = insertelement <2 x i32> undef, i32 %7, i32 0
25  %9 = load i32, ptr %6, align 4
26  ;CHECK: cost of 1 {{.*}} insert
27  %10 = insertelement <2 x i32> %8, i32 %9, i32 1
28  %11 = add nsw <2 x i32> %10, %vec.phi
29  %index.next = add i64 %index, 2
30  %12 = icmp eq i64 %index.next, 192
31  br i1 %12, label %for.end, label %vector.body
32
33for.end:                                          ; preds = %vector.body
34  %13 = extractelement <2 x i32> %11, i32 0
35  %14 = extractelement <2 x i32> %11, i32 1
36  %15 = add i32 %13, %14
37  ret i32 %15
38}
39