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; RUN: opt %loadPolly -basic-aa -polly-codegen \
; RUN: -polly-vectorizer=polly -dce -S < %s | FileCheck %s
; RUN: opt %loadPolly -basic-aa -polly-codegen -polly-vectorizer=stripmine -dce -S < %s | FileCheck %s --check-prefix=STRIPMINE
;#define N 1024
;float A[N];
;float B[N];
;
;void simple_vec_const(void) {
; int i;
;
; for (i = 0; i < 4; i++)
; B[i] = A[i] + 1;
;}
;int main()
;{
; simple_vec_const();
; return A[42];
;}
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"
@A = common global [1024 x float] zeroinitializer, align 16
@B = common global [1024 x float] zeroinitializer, align 16
define void @simple_vec_const() nounwind {
bb:
br label %bb2
bb2: ; preds = %bb5, %bb
%indvar = phi i64 [ %indvar.next, %bb5 ], [ 0, %bb ]
%scevgep = getelementptr [1024 x float], [1024 x float]* @B, i64 0, i64 %indvar
%scevgep1 = getelementptr [1024 x float], [1024 x float]* @A, i64 0, i64 %indvar
%exitcond = icmp ne i64 %indvar, 4
br i1 %exitcond, label %bb3, label %bb6
bb3: ; preds = %bb2
%tmp = load float, float* %scevgep1, align 4
%tmp4 = fadd float %tmp, 1.000000e+00
store float %tmp4, float* %scevgep, align 4
br label %bb5
bb5: ; preds = %bb3
%indvar.next = add i64 %indvar, 1
br label %bb2
bb6: ; preds = %bb2
ret void
}
define i32 @main() nounwind {
bb:
call void @simple_vec_const()
%tmp = load float, float* getelementptr inbounds ([1024 x float], [1024 x float]* @A, i64 0, i64 42), align 8
%tmp1 = fptosi float %tmp to i32
ret i32 %tmp1
}
; STRIPMINE-NOT: <4 x float>
; CHECK: %tmp_p_vec_full = load <4 x float>, <4 x float>* bitcast ([1024 x float]* @A to <4 x float>*), align 8, !alias.scope !0, !noalias !2
; CHECK: %tmp4p_vec = fadd <4 x float> %tmp_p_vec_full, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>
; CHECK: store <4 x float> %tmp4p_vec, <4 x float>* bitcast ([1024 x float]* @B to <4 x float>*)
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