llvm-project

1
; RUN: opt %loadNPMPolly -passes=polly-codegen < %s
2
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"
3

4
define void @fft_float(i32 %NumSamples) nounwind {
5
  br label %bb18
6

7
bb18:                                             ; preds = %bb17
8
  br i1 false, label %bb19, label %bb22
9

10
bb19:                                             ; preds = %bb18
11
  %a = uitofp i32 %NumSamples to double           ; <double> [#uses=1]
12
  br label %bb21
13

14
bb20:                                             ; preds = %bb21
15
  %1 = load float, ptr undef, align 4                 ; <float> [#uses=0]
16
  %2 = fpext float undef to double                ; <double> [#uses=1]
17
  %3 = fdiv double %2, %a ; <double> [#uses=0]
18
  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
19
  br label %bb21
20

21
bb21:                                             ; preds = %bb20, %bb19
22
  %indvar = phi i64 [ %indvar.next, %bb20 ], [ 0, %bb19 ] ; <i64> [#uses=1]
23
  br i1 false, label %bb20, label %bb22.loopexit
24

25
bb22.loopexit:                                    ; preds = %bb21
26
  br label %bb22
27

28
bb22:                                             ; preds = %bb22.loopexit, %bb18
29
  br label %return
30

31
return:                                           ; preds = %bb22
32
  ret void
33
}
34