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
|
; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
;
; CHECK: polly.merge_new_and_old:
; CHECK: %result.ph.merge = phi float [ %result.ph.final_reload, %polly.exiting ], [ %result.ph, %next.region_exiting ]
; CHECK: br label %next
;
; CHECK: next:
; CHECK: %result = phi float [ %result.ph.merge, %polly.merge_new_and_old ]
; CHECK: ret float %result
define float @foo(float* %A, i64 %param) {
entry:
br label %entry.split
entry.split:
%branchcond = icmp slt i64 %param, 64
br i1 %branchcond, label %loopA, label %loopB
loopA:
%indvarA = phi i64 [0, %entry.split], [%indvar.nextA, %loopA]
%indvar.nextA = add i64 %indvarA, 1
%valA = load float, float* %A
%sumA = fadd float %valA, %valA
store float %valA, float* %A
%cndA = icmp eq i64 %indvar.nextA, 100
br i1 %cndA, label %next, label %loopA
loopB:
%indvarB = phi i64 [0, %entry.split], [%indvar.nextB, %loopB]
%indvar.nextB = add i64 %indvarB, 1
%valB = load float, float* %A
%sumB = fadd float %valB, %valB
store float %valB, float* %A
%cndB = icmp eq i64 %indvar.nextB, 100
br i1 %cndB, label %next, label %loopB
next:
%result = phi float [%sumA, %loopA], [%sumB, %loopB]
ret float %result
}
|
