single_loop_strip_mine.ll
1.64 KB
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
; RUN: opt %loadPolly -basicaa -polly-ast -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -basicaa -polly-import-jscop \
; RUN: -polly-ast-print-accesses \
; RUN: -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-VECTOR
; for (i = 0; i < 1024; i++)
; A[i] = B[i];
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"
define void @single_loop_strip_mine(i16* noalias %A, i16* noalias %B) {
entry:
br label %for.cond
for.cond: ; preds = %for.body, %entry
%indvar = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i64 %indvar, 1024
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i16, i16* %B, i64 0
%load = load i16, i16* %arrayidx
%add10 = add nsw i16 %load, 1
%arrayidx13 = getelementptr inbounds i16, i16* %A, i64 %indvar
store i16 %add10, i16* %arrayidx13, align 2
%inc = add nsw i64 %indvar, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1)
; CHECK: Stmt_for_body(c0);
; CHECK-VECTOR: #pragma known-parallel
; CHECK-VECTOR: for (int c0 = 0; c0 <= 1023; c0 += 4)
; CHECK-VECTOR: #pragma simd
; CHECK-VECTOR: for (int c1 = c0; c1 <= c0 + 3; c1 += 1)
; CHECK-VECTOR: Stmt_for_body(
; CHECK-VECTOR: /* read */ &MemRef_B[0]
; CHECK-VECTOR: /* write */ MemRef_A[c1]
; CHECK-VECTOR: );