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
|
; RUN: opt %loadPolly -polly-codegen -polly-codegen-generate-expressions=false \
; RUN: -S < %s | FileCheck %s -check-prefix=SCEV
; RUN: opt %loadPolly -polly-codegen -polly-codegen-generate-expressions=true \
; RUN: -S < %s | FileCheck %s -check-prefix=ASTEXPR
;
; void foo(float A[]) {
; for (long i = 0; i < 100; i++)
; A[i % 4] += 10;
; }
; SCEV: polly.stmt.bb2: ; preds = %polly.loop_header
; SCEV-NEXT: %0 = trunc i64 %polly.indvar to i2
; SCEV-NEXT: %1 = zext i2 %0 to i64
; SCEV-NEXT: %scevgep = getelementptr float, float* %A, i64 %1
; SCEV-NEXT: %tmp4_p_scalar_ = load float, float* %scevgep, align 4, !alias.scope !0, !noalias !3
; SCEV-NEXT: %p_tmp5 = fadd float %tmp4_p_scalar_, 1.000000e+01
; SCEV-NEXT: store float %p_tmp5, float* %scevgep, align 4, !alias.scope !0, !noalias !3
; SCEV-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
; SCEV-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
; SCEV-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
; ASTEXPR: polly.stmt.bb2: ; preds = %polly.loop_header
; ASTEXPR-NEXT: %pexp.pdiv_r = urem i64 %polly.indvar, 4
; ASTEXPR-NEXT: %polly.access.A = getelementptr float, float* %A, i64 %pexp.pdiv_r
; ASTEXPR-NEXT: %tmp4_p_scalar_ = load float, float* %polly.access.A, align 4, !alias.scope !0, !noalias !3
; ASTEXPR-NEXT: %p_tmp5 = fadd float %tmp4_p_scalar_, 1.000000e+01
; ASTEXPR-NEXT: %pexp.pdiv_r1 = urem i64 %polly.indvar, 4
; ASTEXPR-NEXT: %polly.access.A2 = getelementptr float, float* %A, i64 %pexp.pdiv_r1
; ASTEXPR-NEXT: store float %p_tmp5, float* %polly.access.A2, align 4, !alias.scope !0, !noalias !3
; ASTEXPR-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
; ASTEXPR-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
; ASTEXPR-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* %A) {
bb:
br label %bb1
bb1: ; preds = %bb6, %bb
%i.0 = phi i64 [ 0, %bb ], [ %tmp7, %bb6 ]
%exitcond = icmp ne i64 %i.0, 100
br i1 %exitcond, label %bb2, label %bb8
bb2: ; preds = %bb1
%tmp = srem i64 %i.0, 4
%tmp3 = getelementptr inbounds float, float* %A, i64 %tmp
%tmp4 = load float, float* %tmp3, align 4
%tmp5 = fadd float %tmp4, 1.000000e+01
store float %tmp5, float* %tmp3, align 4
br label %bb6
bb6: ; preds = %bb2
%tmp7 = add nuw nsw i64 %i.0, 1
br label %bb1
bb8: ; preds = %bb1
ret void
}
|
