forked from OSchip/llvm-project
79 lines
2.3 KiB
LLVM
79 lines
2.3 KiB
LLVM
; 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"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; void foo(long n, long m, long o, double A[n][m][o]) {
|
|
; for (long i = 0; i < n; i++)
|
|
; for (long j = 0; j < m; j++)
|
|
; for (long k = 0; k < o; k++)
|
|
; A[i+3][j-4][k+7] = 1.0;
|
|
; }
|
|
;
|
|
; Access function:
|
|
;
|
|
; {{{(56 + (8 * (-4 + (3 * %m)) * %o) + %A),+,(8 * %m * %o)}<%for.i>,+,
|
|
; (8 * %o)}<%for.j>,+,8}<%for.k>
|
|
;
|
|
; The nested 'start' should be splitted into three parameters:
|
|
; p1: {0,+,(8 * %o)}<%for.j>
|
|
; p2: {0,+,(8 * %m * %o)}<%for.i>
|
|
; p3: (8 * (-4 + (3 * %m)) * %o)
|
|
;
|
|
|
|
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 ]
|
|
%offset0 = add nsw i64 %i, 3
|
|
%subscript0 = mul i64 %offset0, %m
|
|
%offset1 = add nsw i64 %j, -4
|
|
%subscript1 = add i64 %offset1, %subscript0
|
|
%subscript2 = mul i64 %subscript1, %o
|
|
%offset2 = add nsw i64 %k, 7
|
|
%subscript = add i64 %subscript2, %offset2
|
|
%idx = getelementptr inbounds 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, %o
|
|
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, %m
|
|
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, %n
|
|
br i1 %i.exitcond, label %end, label %for.i
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
; CHECK: p0: %o
|
|
; CHECK: p1: {0,+,(8 * %o)}<%for.j>
|
|
; CHECK: p2: {0,+,(8 * %m * %o)}<%for.i>
|
|
; CHECK: p3: (8 * (-4 + (3 * %m)) * %o)
|
|
; CHECK-NOT: p4
|
|
|
|
; CHECK: Domain
|
|
; CHECK: [o, p_1, p_2, p_3] -> { Stmt_for_k[i0] : i0 >= 0 and i0 <= -1 + o };
|
|
; CHECK: Scattering
|
|
; CHECK: [o, p_1, p_2, p_3] -> { Stmt_for_k[i0] -> scattering[0, i0, 0] };
|
|
; CHECK: MustWriteAccess
|
|
; CHECK: [o, p_1, p_2, p_3] -> { Stmt_for_k[i0] -> MemRef_A[o0] : 8o0 = 56 + p_1 + p_2 + p_3 + 8i0 };
|