xref: /llvm-project/llvm/test/Transforms/LoopVectorize/cpp-new-array.ll (revision 1e08a08a871830c708f81a5f28b794fb32ae0dc2)
1; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | 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"
4
5;CHECK-LABEL: @cpp_new_arrays(
6;CHECK: sext i32
7;CHECK: load <4 x float>
8;CHECK: fadd <4 x float>
9;CHECK: ret i32
10define i32 @cpp_new_arrays() uwtable ssp {
11entry:
12  %call = call noalias i8* @_Znwm(i64 4)
13  %0 = bitcast i8* %call to float*
14  store float 1.000000e+03, float* %0, align 4
15  %call1 = call noalias i8* @_Znwm(i64 4)
16  %1 = bitcast i8* %call1 to float*
17  store float 1.000000e+03, float* %1, align 4
18  %call3 = call noalias i8* @_Znwm(i64 4)
19  %2 = bitcast i8* %call3 to float*
20  store float 1.000000e+03, float* %2, align 4
21  br label %for.body
22
23for.body:                                         ; preds = %entry, %for.body
24  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
25  %idxprom = sext i32 %i.01 to i64
26  %arrayidx = getelementptr inbounds float, float* %0, i64 %idxprom
27  %3 = load float, float* %arrayidx, align 4
28  %idxprom5 = sext i32 %i.01 to i64
29  %arrayidx6 = getelementptr inbounds float, float* %1, i64 %idxprom5
30  %4 = load float, float* %arrayidx6, align 4
31  %add = fadd float %3, %4
32  %idxprom7 = sext i32 %i.01 to i64
33  %arrayidx8 = getelementptr inbounds float, float* %2, i64 %idxprom7
34  store float %add, float* %arrayidx8, align 4
35  %inc = add nsw i32 %i.01, 1
36  %cmp = icmp slt i32 %inc, 1000
37  br i1 %cmp, label %for.body, label %for.end
38
39for.end:                                          ; preds = %for.body
40  %5 = load float, float* %2, align 4
41  %conv10 = fptosi float %5 to i32
42  ret i32 %conv10
43}
44
45declare noalias i8* @_Znwm(i64)
46