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gerrit-public.fairphone.software / toolchain / llvm-project / d9e8c773de7fe53c357521eb6219b12e6a1d7b23 / . / llvm / test / CodeGen / AMDGPU / internalize.ll
blob: 8f7e5568b8810ccb774db10046399814918ae634 [file] [log] [blame]
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]1; RUN: opt -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
2; RUN: opt -O0 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]3
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]4; OPT-NOT: gvar_unused
5; OPTNONE: gvar_unused
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]6@gvar_unused = addrspace(1) global i32 undef, align 4
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]7
8; ALL: gvar_used
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]9@gvar_used = addrspace(1) global i32 undef, align 4
10
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]11; ALL: define internal fastcc void @func_used_noinline(
Stanislav Mekhanoshin5670e6d2017-09-20 04:25:58 +0000[diff] [blame]12define fastcc void @func_used_noinline(i32 addrspace(1)* %out, i32 %tid) #1 {
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]13entry:
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]14 store volatile i32 %tid, i32 addrspace(1)* %out
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]15 ret void
16}
17
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]18; OPTNONE: define internal fastcc void @func_used_alwaysinline(
19; OPT-NOT: @func_used_alwaysinline
Stanislav Mekhanoshin5670e6d2017-09-20 04:25:58 +0000[diff] [blame]20define fastcc void @func_used_alwaysinline(i32 addrspace(1)* %out, i32 %tid) #2 {
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]21entry:
22 store volatile i32 %tid, i32 addrspace(1)* %out
23 ret void
24}
25
26; OPTNONE: define internal void @func_unused(
27; OPT-NOT: @func_unused
Stanislav Mekhanoshin5670e6d2017-09-20 04:25:58 +0000[diff] [blame]28define void @func_unused(i32 addrspace(1)* %out, i32 %tid) #1 {
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]29entry:
30 store volatile i32 %tid, i32 addrspace(1)* %out
31 ret void
32}
33
34; ALL: define amdgpu_kernel void @kernel_unused(
35define amdgpu_kernel void @kernel_unused(i32 addrspace(1)* %out) #1 {
36entry:
37 store volatile i32 1, i32 addrspace(1)* %out
38 ret void
39}
40
41; ALL: define amdgpu_kernel void @main_kernel()
42; ALL: tail call i32 @llvm.amdgcn.workitem.id.x
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]43; ALL: tail call fastcc void @func_used_noinline
44; ALL: store volatile
45; ALL: ret void
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]46define amdgpu_kernel void @main_kernel() {
47entry:
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]48 %tid = tail call i32 @llvm.amdgcn.workitem.id.x()
Matt Arsenaulte745d992017-09-19 07:40:11 +0000[diff] [blame]49 tail call fastcc void @func_used_noinline(i32 addrspace(1)* @gvar_used, i32 %tid)
50 tail call fastcc void @func_used_alwaysinline(i32 addrspace(1)* @gvar_used, i32 %tid)
Stanislav Mekhanoshina3b72792017-01-30 21:05:18 +0000[diff] [blame]51 ret void
52}
53
54declare i32 @llvm.amdgcn.workitem.id.x() #0
55
56attributes #0 = { nounwind readnone }
Stanislav Mekhanoshin5670e6d2017-09-20 04:25:58 +0000[diff] [blame]57attributes #1 = { noinline nounwind }
58attributes #2 = { alwaysinline nounwind }