Matt Arsenault | e745d99 | 2017-09-19 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 Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 3 | |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 4 | ; OPT-NOT: gvar_unused |
| 5 | ; OPTNONE: gvar_unused |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 6 | @gvar_unused = addrspace(1) global i32 undef, align 4 |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 7 | |
| 8 | ; ALL: gvar_used |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 9 | @gvar_used = addrspace(1) global i32 undef, align 4 |
| 10 | |
Matt Arsenault | 988df63 | 2018-08-31 06:02:36 +0000 | [diff] [blame] | 11 | ; OPT: define internal fastcc void @func_used_noinline( |
| 12 | ; OPT-NONE: define fastcc void @func_used_noinline( |
Stanislav Mekhanoshin | 5670e6d | 2017-09-20 04:25:58 +0000 | [diff] [blame] | 13 | define fastcc void @func_used_noinline(i32 addrspace(1)* %out, i32 %tid) #1 { |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 14 | entry: |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 15 | store volatile i32 %tid, i32 addrspace(1)* %out |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 16 | ret void |
| 17 | } |
| 18 | |
Matt Arsenault | 988df63 | 2018-08-31 06:02:36 +0000 | [diff] [blame] | 19 | ; OPTNONE: define fastcc void @func_used_alwaysinline( |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 20 | ; OPT-NOT: @func_used_alwaysinline |
Stanislav Mekhanoshin | 5670e6d | 2017-09-20 04:25:58 +0000 | [diff] [blame] | 21 | define fastcc void @func_used_alwaysinline(i32 addrspace(1)* %out, i32 %tid) #2 { |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 22 | entry: |
| 23 | store volatile i32 %tid, i32 addrspace(1)* %out |
| 24 | ret void |
| 25 | } |
| 26 | |
Matt Arsenault | 988df63 | 2018-08-31 06:02:36 +0000 | [diff] [blame] | 27 | ; OPTNONE: define void @func_unused( |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 28 | ; OPT-NOT: @func_unused |
Stanislav Mekhanoshin | 5670e6d | 2017-09-20 04:25:58 +0000 | [diff] [blame] | 29 | define void @func_unused(i32 addrspace(1)* %out, i32 %tid) #1 { |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 30 | entry: |
| 31 | store volatile i32 %tid, i32 addrspace(1)* %out |
| 32 | ret void |
| 33 | } |
| 34 | |
| 35 | ; ALL: define amdgpu_kernel void @kernel_unused( |
| 36 | define amdgpu_kernel void @kernel_unused(i32 addrspace(1)* %out) #1 { |
| 37 | entry: |
| 38 | store volatile i32 1, i32 addrspace(1)* %out |
| 39 | ret void |
| 40 | } |
| 41 | |
| 42 | ; ALL: define amdgpu_kernel void @main_kernel() |
| 43 | ; ALL: tail call i32 @llvm.amdgcn.workitem.id.x |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 44 | ; ALL: tail call fastcc void @func_used_noinline |
| 45 | ; ALL: store volatile |
| 46 | ; ALL: ret void |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 47 | define amdgpu_kernel void @main_kernel() { |
| 48 | entry: |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 49 | %tid = tail call i32 @llvm.amdgcn.workitem.id.x() |
Matt Arsenault | e745d99 | 2017-09-19 07:40:11 +0000 | [diff] [blame] | 50 | tail call fastcc void @func_used_noinline(i32 addrspace(1)* @gvar_used, i32 %tid) |
| 51 | tail call fastcc void @func_used_alwaysinline(i32 addrspace(1)* @gvar_used, i32 %tid) |
Stanislav Mekhanoshin | a3b7279 | 2017-01-30 21:05:18 +0000 | [diff] [blame] | 52 | ret void |
| 53 | } |
| 54 | |
| 55 | declare i32 @llvm.amdgcn.workitem.id.x() #0 |
| 56 | |
| 57 | attributes #0 = { nounwind readnone } |
Stanislav Mekhanoshin | 5670e6d | 2017-09-20 04:25:58 +0000 | [diff] [blame] | 58 | attributes #1 = { noinline nounwind } |
| 59 | attributes #2 = { alwaysinline nounwind } |