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-allow-differing-element-types -polly-print-scops -disable-output < %s | FileCheck %s
; RUN: opt %loadPolly -S -polly-allow-differing-element-types -polly-codegen < %s | FileCheck --check-prefix=IR %s
;
; CHECK: Arrays {
; CHECK-NEXT: i8 MemRef_A[*]; // Element size 1
; CHECK-NEXT: }
; CHECK: Statements {
; CHECK-NEXT: Stmt_for_body3
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_for_body3[i0, i1] : 0 <= i0 <= 1023 and 0 <= i1 <= 1023 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> [i0, i1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> MemRef_A[o0] : 0 <= o0 <= 186 };
;
; IR: %[[r1:[a-zA-Z0-9]*]] = bitcast i32* %A to i8*
;
; IR: polly.stmt.for.body3:
; IR: call void @llvm.memset.p0i8.i64(i8* align 4 %[[r1]], i8 36, i64 187, i1 false)
;
; #include <string.h>
;
; void jd(int *A) {
; for (int i = 0; i < 1024; i++)
; for (int j = 0; j < 1024; j++)
; memset(A, '$', 187);
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @jd(i32* noalias %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc4, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ]
%exitcond1 = icmp ne i32 %i.0, 1024
br i1 %exitcond1, label %for.body, label %for.end6
for.body: ; preds = %for.cond
br label %for.cond1
for.cond1: ; preds = %for.inc, %for.body
%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %j.0, 1024
br i1 %exitcond, label %for.body3, label %for.end
for.body3: ; preds = %for.cond1
%tmp = bitcast i32* %A to i8*
call void @llvm.memset.p0i8.i64(i8* %tmp, i8 36, i64 187, i32 4, i1 false)
br label %for.inc
for.inc: ; preds = %for.body3
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %for.inc4
for.inc4: ; preds = %for.end
%inc5 = add nsw i32 %i.0, 1
br label %for.cond
for.end6: ; preds = %for.cond
ret void
}
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
|
