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 -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
; RUN: opt -O0 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
; OPT-NOT: gvar_unused
; OPTNONE: gvar_unused
@gvar_unused = addrspace(1) global i32 undef, align 4
; ALL: gvar_used
@gvar_used = addrspace(1) global i32 undef, align 4
; OPT: define internal fastcc void @func_used_noinline(
; OPT-NONE: define fastcc void @func_used_noinline(
define fastcc void @func_used_noinline(i32 addrspace(1)* %out, i32 %tid) #1 {
entry:
store volatile i32 %tid, i32 addrspace(1)* %out
ret void
}
; OPTNONE: define fastcc void @func_used_alwaysinline(
; OPT-NOT: @func_used_alwaysinline
define fastcc void @func_used_alwaysinline(i32 addrspace(1)* %out, i32 %tid) #2 {
entry:
store volatile i32 %tid, i32 addrspace(1)* %out
ret void
}
; OPTNONE: define void @func_unused(
; OPT-NOT: @func_unused
define void @func_unused(i32 addrspace(1)* %out, i32 %tid) #1 {
entry:
store volatile i32 %tid, i32 addrspace(1)* %out
ret void
}
; ALL: define amdgpu_kernel void @kernel_unused(
define amdgpu_kernel void @kernel_unused(i32 addrspace(1)* %out) #1 {
entry:
store volatile i32 1, i32 addrspace(1)* %out
ret void
}
; ALL: define amdgpu_kernel void @main_kernel()
; ALL: tail call i32 @llvm.amdgcn.workitem.id.x
; ALL: tail call fastcc void @func_used_noinline
; ALL: store volatile
; ALL: ret void
define amdgpu_kernel void @main_kernel() {
entry:
%tid = tail call i32 @llvm.amdgcn.workitem.id.x()
tail call fastcc void @func_used_noinline(i32 addrspace(1)* @gvar_used, i32 %tid)
tail call fastcc void @func_used_alwaysinline(i32 addrspace(1)* @gvar_used, i32 %tid)
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #0
attributes #0 = { nounwind readnone }
attributes #1 = { noinline nounwind }
attributes #2 = { alwaysinline nounwind }
|
