partial_write_array.ll
1.17 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
; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
;
; Partial write of an array access.
;
; for (int j = 0; j < n; j += 1)
; A[0] = 42.0
;
define void @partial_write_array(i32 %n, double* noalias nonnull %A) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %body, label %exit
body:
store double 42.0, double* %A
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK: polly.stmt.body:
; CHECK-NEXT: %1 = icmp sge i64 %polly.indvar, 5
; CHECK-NEXT: %polly.Stmt_body_Write0.cond = icmp ne i1 %1, false
; CHECK-NEXT: br i1 %polly.Stmt_body_Write0.cond, label %polly.stmt.body.Stmt_body_Write0.partial, label %polly.stmt.body.cont
; CHECK: polly.stmt.body.Stmt_body_Write0.partial:
; CHECK-NEXT: %polly.access.A = getelementptr double, double* %A, i64 0
; CHECK-NEXT: store double 4.200000e+01, double* %polly.access.A, align 8, !alias.scope !0, !noalias !2
; CHECK-NEXT: br label %polly.stmt.body.cont
; CHECK: polly.stmt.body.cont: