reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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-S128"

; void foo(long n, long m, long o, double A[n][m][o]) {
;
;   for (long i = 0; i < 100; i++)
;     for (long j = 0; j < 150; j++)
;       for (long k = 0; k < 200; k++)
;         A[i][j][k] = 1.0;
; }

; CHECK:      Assumed Context:
; CHECK-NEXT: [m, o] -> {  : m >= 150 and o >= 200 }
; CHECK:      Invalid Context:
; CHECK-NEXT: [m, o] -> {  : false }
;
; CHECK:      p0: %m
; CHECK-NEXT: p1: %o
;
; CHECK:      Statements {
; CHECK-NEXT:     Stmt_for_k
; CHECK-NEXT:         Domain :=
; CHECK-NEXT:             [m, o] -> { Stmt_for_k[i0, i1, i2] : 0 <= i0 <= 99 and 0 <= i1 <= 149 and 0 <= i2 <= 199 };
; CHECK-NEXT:         Schedule :=
; CHECK-NEXT:             [m, o] -> { Stmt_for_k[i0, i1, i2] -> [i0, i1, i2] };
; CHECK-NEXT:         MustWriteAccess :=    [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT:             [m, o] -> { Stmt_for_k[i0, i1, i2] -> MemRef_A[i0, i1, i2] };
; CHECK-NEXT: }

define void @foo(i64 %n, i64 %m, i64 %o, double* %A) {
entry:
  br label %for.i

for.i:
  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
  br label %for.j

for.j:
  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j.inc ]
  br label %for.k

for.k:
  %k = phi i64 [ 0, %for.j ], [ %k.inc, %for.k.inc ]
  %subscript0 = mul i64 %i, %m
  %subscript1 = add i64 %j, %subscript0
  %subscript2 = mul i64 %subscript1, %o
  %subscript = add i64 %subscript2, %k
  %idx = getelementptr inbounds double, double* %A, i64 %subscript
  store double 1.0, double* %idx
  br label %for.k.inc

for.k.inc:
  %k.inc = add nsw i64 %k, 1
  %k.exitcond = icmp eq i64 %k.inc, 200
  br i1 %k.exitcond, label %for.j.inc, label %for.k

for.j.inc:
  %j.inc = add nsw i64 %j, 1
  %j.exitcond = icmp eq i64 %j.inc, 150
  br i1 %j.exitcond, label %for.i.inc, label %for.j

for.i.inc:
  %i.inc = add nsw i64 %i, 1
  %i.exitcond = icmp eq i64 %i.inc, 100
  br i1 %i.exitcond, label %end, label %for.i

end:
  ret void
}