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
|
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=false -polly-codegen \
; RUN: \
; RUN: -S < %s | FileCheck %s
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=true -polly-codegen \
; RUN: \
; RUN: -S < %s | FileCheck %s -check-prefix=SCALAR
; CHECK-NOT: alloca
; SCALAR-LABEL: entry:
; SCALAR-NEXT: %scalar.s2a = alloca float
; SCALAR-LABEL: polly.start:
; SCALAR-NEXT: store float %scalar, ptr %scalar.s2a
; SCALAR-LABEL: polly.stmt.stmt1:
; SCALAR-NEXT: %scalar.s2a.reload = load float, ptr %scalar.s2a
; SCALAR-NEXT: %val_p_scalar_ = load float, ptr %A,
; SCALAR-NEXT: %p_sum = fadd float %val_p_scalar_, %scalar.s2a.reload
define void @foo(ptr noalias %A, float %scalar) {
entry:
br label %loop
loop:
%indvar = phi i64 [0, %entry], [%indvar.next, %loop.backedge]
br label %stmt1
stmt1:
%val = load float, ptr %A
%sum = fadd float %val, %scalar
store float %sum, ptr %A
br label %loop.backedge
loop.backedge:
%indvar.next = add i64 %indvar, 1
%cond = icmp sle i64 %indvar, 100
br i1 %cond, label %loop, label %exit
exit:
ret void
}
|
