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
|
; RUN: opt %loadPolly -polly-codegen -S < %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"
; Derived from the following code:
;
; void foo(long n, long m, double A[n][m]) {
; for (long i = 0; i < 100; i++)
; for (long j = 0; j < 150; j++)
; A[i][j] = 1.0;
; }
;
; CHECK: entry:
; CHECK: polly.split_new_and_old:
; CHECK: %0 = icmp sge i64 %m, 150
; CHECK: %polly.rtc.result = and i1 %0, true
; CHECK: br i1 %polly.rtc.result, label %polly.start, label %for.i
define void @foo(i64 %n, i64 %m, ptr %A) {
entry:
br label %for.i
for.i:
%i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
%tmp = mul nsw i64 %i, %m
br label %for.j
for.j:
%j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
%vlaarrayidx.sum = add i64 %j, %tmp
%arrayidx = getelementptr inbounds double, ptr %A, i64 %vlaarrayidx.sum
store double 1.0, ptr %arrayidx
%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
}
|
