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
|
;; struct Node;
;; typedef struct {
;; __global struct Node* pNext;
;; } Node;
;;
;; __kernel void verify_linked_lists(__global Node* pNodes)
;; {
;; __global Node *pNode = pNodes;
;;
;; for(int j=0; j < 10; j++) {
;; pNode = pNode->pNext;
;; }
;; }
; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
%struct.Node = type { %struct.Node.0 addrspace(1)* }
%struct.Node.0 = type opaque
define spir_kernel void @verify_linked_lists(%struct.Node addrspace(1)* %pNodes) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%pNode.0 = phi %struct.Node addrspace(1)* [ %pNodes, %entry ], [ %1, %for.inc ]
%j.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
; CHECK-SPIRV: %[[#]] = OpPhi %[[#]] %[[#]] %[[#]] %[[#BitcastResultId:]] %[[#]]
; CHECK-SPIRV-NEXT: OpPhi
%cmp = icmp slt i32 %j.0, 10
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%pNext = getelementptr inbounds %struct.Node, %struct.Node addrspace(1)* %pNode.0, i32 0, i32 0
%0 = load %struct.Node.0 addrspace(1)*, %struct.Node.0 addrspace(1)* addrspace(1)* %pNext, align 4
%1 = bitcast %struct.Node.0 addrspace(1)* %0 to %struct.Node addrspace(1)*
; CHECK-SPIRV: %[[#LoadResultId:]] = OpLoad %[[#]]
; CHECK-SPIRV: %[[#BitcastResultId]] = OpBitcast %[[#]] %[[#LoadResultId]]
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %j.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
|
