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Differential D96340 Diff 323224 llvm/test/CodeGen/AMDGPU/call-preserved-registers.ll

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llvm/test/CodeGen/AMDGPU/call-preserved-registers.ll

; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MUBUF %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-ipra=0 -amdgpu-enable-flat-scratch -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,FLATSCR %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-ipra=0 -amdgpu-enable-flat-scratch -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,FLATSCR %s
declare hidden void @external_void_func_void() #0 declare hidden void @external_void_func_void() #0
; GCN-LABEL: {{^}}test_kernel_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void: ; GCN-LABEL: {{^}}test_kernel_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void:
; GCN: s_getpc_b64 s[34:35] ; GCN: s_getpc_b64 s[44:45]
; GCN-NEXT: s_add_u32 s34, s34, ; GCN-NEXT: s_add_u32 s44, s44,
; GCN-NEXT: s_addc_u32 s35, s35, ; GCN-NEXT: s_addc_u32 s45, s45,
; GCN-NEXT: s_mov_b32 s32, 0 ; GCN-NEXT: s_mov_b32 s32, 0
; GCN: s_swappc_b64 s[30:31], s[34:35] ; GCN: s_swappc_b64 s[30:31], s[44:45]
; GCN-NEXT: #ASMSTART ; GCN-DAG: #ASMSTART
; GCN-NEXT: #ASMEND ; GCN-DAG: #ASMEND
; GCN-NEXT: s_swappc_b64 s[30:31], s[34:35] ; GCN-DAG: s_swappc_b64 s[30:31], s[44:45]
define amdgpu_kernel void @test_kernel_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void() #0 { define amdgpu_kernel void @test_kernel_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void() #0 {
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "", ""() #0 call void asm sideeffect "", ""() #0
call void @external_void_func_void() call void @external_void_func_void()
ret void ret void
} }
; GCN-LABEL: {{^}}test_func_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void: ; GCN-LABEL: {{^}}test_func_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void:
; MUBUF: buffer_store_dword ; MUBUF: buffer_store_dword
; FLATSCR: scratch_store_dword ; FLATSCR: scratch_store_dword
; GCN: v_writelane_b32 v40, s33, 4 ; GCN: v_writelane_b32 v41, s33, 15
; GCN: v_writelane_b32 v40, s34, 0 ; GCN-NEXT: v_writelane_b32 v41, s34, 0
; GCN: v_writelane_b32 v40, s35, 1 ; GCN-NEXT: v_writelane_b32 v41, s35, 1
; GCN: v_writelane_b32 v40, s30, 2 ; GCN-NEXT: v_writelane_b32 v41, s36, 2
; GCN: v_writelane_b32 v40, s31, 3 ; GCN-NEXT: v_writelane_b32 v41, s37, 3
; GCN-NEXT: v_writelane_b32 v41, s38, 4
; GCN-NEXT: v_writelane_b32 v41, s39, 5
; GCN-NEXT: v_writelane_b32 v41, s40, 6
; GCN-NEXT: v_writelane_b32 v41, s41, 7
; GCN-NEXT: v_writelane_b32 v41, s42, 8
; GCN-NEXT: v_writelane_b32 v41, s43, 9
; GCN-NEXT: v_writelane_b32 v41, s44, 10
; GCN-NEXT: v_writelane_b32 v41, s46, 11
; GCN-NEXT: v_writelane_b32 v41, s47, 12
; GCN-NEXT: v_writelane_b32 v41, s30, 13
; GCN: s_swappc_b64 ; GCN: s_swappc_b64
; GCN-NEXT: ;;#ASMSTART ; GCN-DAG: ;;#ASMSTART
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; GCN-NEXT: s_swappc_b64 ; GCN-NEXT: s_swappc_b64
; MUBUF-DAG: v_readlane_b32 s4, v40, 2
; MUBUF-DAG: v_readlane_b32 s5, v40, 3
; FLATSCR-DAG: v_readlane_b32 s0, v40, 2
; FLATSCR-DAG: v_readlane_b32 s1, v40, 3
; GCN: v_readlane_b32 s35, v40, 1
; GCN: v_readlane_b32 s34, v40, 0
; GCN: v_readlane_b32 s33, v40, 4 ; MUBUF-DAG: v_readlane_b32 s4, v41, 13
; MUBUF-DAG: v_readlane_b32 s5, v41, 14
; MUBUF-DAG: v_readlane_b32 s47, v41, 12
; MUBUF-DAG: v_readlane_b32 s46, v41, 11
; MUBUF-DAG: v_readlane_b32 s44, v41, 10
; MUBUF-DAG: v_readlane_b32 s43, v41, 9
; MUBUF-DAG: v_readlane_b32 s42, v41, 8
; MUBUF-DAG: v_readlane_b32 s41, v41, 7
; MUBUF-DAG: v_readlane_b32 s40, v41, 6
; MUBUF-DAG: v_readlane_b32 s39, v41, 5
; MUBUF-DAG: v_readlane_b32 s38, v41, 4
; MUBUF-DAG: v_readlane_b32 s37, v41, 3
; MUBUF-DAG: v_readlane_b32 s36, v41, 2
; MUBUF-DAG: v_readlane_b32 s35, v41, 1
; MUBUF-DAG: v_readlane_b32 s34, v41, 0
; FLATSCR: v_readlane_b32 s0, v41, 13
; FLATSCR-DAG: v_readlane_b32 s1, v41, 14
; FLATSCR-DAG: v_readlane_b32 s47, v41, 12
; FLATSCR-DAG: v_readlane_b32 s46, v41, 11
; FLATSCR-DAG: v_readlane_b32 s44, v41, 10
; FLATSCR-DAG: v_readlane_b32 s43, v41, 9
; FLATSCR-DAG: v_readlane_b32 s42, v41, 8
; FLATSCR-DAG: v_readlane_b32 s41, v41, 7
; FLATSCR-DAG: v_readlane_b32 s40, v41, 6
; FLATSCR-DAG: v_readlane_b32 s39, v41, 5
; FLATSCR-DAG: v_readlane_b32 s38, v41, 4
; FLATSCR-DAG: v_readlane_b32 s37, v41, 3
; FLATSCR-DAG: v_readlane_b32 s36, v41, 2
; FLATSCR-DAG: v_readlane_b32 s35, v41, 1
; FLATSCR-DAG: v_readlane_b32 s34, v41, 0
; FLATSCR-DAG: v_readlane_b32 s33, v41, 15
; MUBUF: buffer_load_dword ; MUBUF: buffer_load_dword
; FLATSCR: scratch_load_dword ; FLATSCR: scratch_load_dword
; GCN: s_setpc_b64 ; GCN: s_setpc_b64
define void @test_func_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void() #0 { define void @test_func_call_external_void_func_void_clobber_s30_s31_call_external_void_func_void() #0 {
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "", ""() #0 call void asm sideeffect "", ""() #0
call void @external_void_func_void() call void @external_void_func_void()
ret void ret void
} }
; GCN-LABEL: {{^}}test_func_call_external_void_funcx2: ; GCN-LABEL: {{^}}test_func_call_external_void_funcx2:
; MUBUF: buffer_store_dword v40 ; MUBUF: buffer_store_dword v41
; FLATSCR: scratch_store_dword off, v40 ; GCN: v_writelane_b32 v41, s33, 15
; GCN: v_writelane_b32 v40, s33, 4
; GCN: s_mov_b32 s33, s32 ; GCN: s_mov_b32 s33, s32
; MUBUF: s_add_u32 s32, s32, 0x400
; FLATSCR: s_add_u32 s32, s32, 16 ; FLATSCR: s_add_u32 s32, s32, 16
; FLATSCR: scratch_store_dword off, v40
; MUBUF: s_add_u32 s32, s32, 0x400
; GCN: s_swappc_b64 ; GCN: s_swappc_b64
; GCN-NEXT: s_swappc_b64 ; GCN-DAG: s_swappc_b64
; GCN: v_readlane_b32 s33, v40, 4 ; GCN: v_readlane_b32 s33, v41, 15
; MUBUF: buffer_load_dword v40 ; MUBUF: buffer_load_dword v41
; FLATSCR: scratch_load_dword v40 ; FLATSCR: scratch_load_dword v41
define void @test_func_call_external_void_funcx2() #0 { define void @test_func_call_external_void_funcx2() #0 {
call void @external_void_func_void() call void @external_void_func_void()
call void @external_void_func_void() call void @external_void_func_void()
ret void ret void
} }
; GCN-LABEL: {{^}}void_func_void_clobber_s30_s31: ; GCN-LABEL: {{^}}void_func_void_clobber_s30_s31:
; GCN: s_waitcnt ; GCN: s_waitcnt
▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Linesdefine amdgpu_kernel void @test_call_void_func_void_mayclobber_s31(i32 addrspace(1)* %out) #0 {
%s31 = call i32 asm sideeffect "; def $0", "={s31}"() %s31 = call i32 asm sideeffect "; def $0", "={s31}"()
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "; use $0", "{s31}"(i32 %s31) call void asm sideeffect "; use $0", "{s31}"(i32 %s31)
ret void ret void
} }
; GCN-LABEL: {{^}}test_call_void_func_void_mayclobber_v31: ; GCN-LABEL: {{^}}test_call_void_func_void_mayclobber_v31:
; GCN: v_mov_b32_e32 v40, v31 ; GCN: v_mov_b32_e32 v40, v31
; GCN-NEXT: s_swappc_b64 ; GCN-DAG: s_swappc_b64
; GCN-NEXT: v_mov_b32_e32 v31, v40 ; GCN-NEXT: v_mov_b32_e32 v31, v40
define amdgpu_kernel void @test_call_void_func_void_mayclobber_v31(i32 addrspace(1)* %out) #0 { define amdgpu_kernel void @test_call_void_func_void_mayclobber_v31(i32 addrspace(1)* %out) #0 {
%v31 = call i32 asm sideeffect "; def $0", "={v31}"() %v31 = call i32 asm sideeffect "; def $0", "={v31}"()
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "; use $0", "{v31}"(i32 %v31) call void asm sideeffect "; use $0", "{v31}"(i32 %v31)
ret void ret void
} }
; FIXME: What is the expected behavior for reserved registers here? ; FIXME: What is the expected behavior for reserved registers here?
; GCN-LABEL: {{^}}test_call_void_func_void_preserves_s33: ; GCN-LABEL: {{^}}test_call_void_func_void_preserves_s33:
; MUBUF: s_getpc_b64 s[4:5] ; MUBUF: s_getpc_b64 s[18:19]
; MUBUF-NEXT: s_add_u32 s4, s4, external_void_func_void@rel32@lo+4 ; MUBUF-NEXT: s_add_u32 s18, s18, external_void_func_void@rel32@lo+4
; MUBUF-NEXT: s_addc_u32 s5, s5, external_void_func_void@rel32@hi+12 ; MUBUF-NEXT: s_addc_u32 s19, s19, external_void_func_void@rel32@hi+12
; FLATSCR: s_getpc_b64 s[0:1] ; FLATSCR: s_getpc_b64 s[16:17]
; FLATSCR-NEXT: s_add_u32 s0, s0, external_void_func_void@rel32@lo+4 ; FLATSCR-NEXT: s_add_u32 s16, s16, external_void_func_void@rel32@lo+4
; FLATSCR-NEXT: s_addc_u32 s1, s1, external_void_func_void@rel32@hi+12 ; FLATSCR-NEXT: s_addc_u32 s17, s17, external_void_func_void@rel32@hi+12
; GCN: s_mov_b32 s32, 0 ; GCN: s_mov_b32 s32, 0
; GCN: #ASMSTART ; GCN: #ASMSTART
; GCN-NEXT: ; def s33 ; GCN-NEXT: ; def s33
; GCN-NEXT: #ASMEND ; GCN-NEXT: #ASMEND
; MUBUF: s_swappc_b64 s[30:31], s[4:5] ; MUBUF: s_swappc_b64 s[30:31], s[18:19]
; FLATSCR: s_swappc_b64 s[30:31], s[0:1] ; FLATSCR: s_swappc_b64 s[30:31], s[16:17]
; GCN: ;;#ASMSTART ; GCN: ;;#ASMSTART
; GCN-NEXT: ; use s33 ; GCN-NEXT: ; use s33
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; GCN-NOT: s33 ; GCN-NOT: s33
; GCN-NEXT: s_endpgm ; GCN-NEXT: s_endpgm
define amdgpu_kernel void @test_call_void_func_void_preserves_s33(i32 addrspace(1)* %out) #0 { define amdgpu_kernel void @test_call_void_func_void_preserves_s33(i32 addrspace(1)* %out) #0 {
%s33 = call i32 asm sideeffect "; def $0", "={s33}"() %s33 = call i32 asm sideeffect "; def $0", "={s33}"()
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "; use $0", "{s33}"(i32 %s33) call void asm sideeffect "; use $0", "{s33}"(i32 %s33)
ret void ret void
} }
; GCN-LABEL: {{^}}test_call_void_func_void_preserves_s34: {{.*}} ; GCN-LABEL: {{^}}test_call_void_func_void_preserves_s34: {{.*}}
; GCN-NOT: s34 ; GCN-NOT: s34
; MUBUF: s_getpc_b64 s[4:5] ; MUBUF: s_getpc_b64 s[18:19]
; MUBUF-NEXT: s_add_u32 s4, s4, external_void_func_void@rel32@lo+4 ; MUBUF-NEXT: s_add_u32 s18, s18, external_void_func_void@rel32@lo+4
; MUBUF-NEXT: s_addc_u32 s5, s5, external_void_func_void@rel32@hi+12 ; MUBUF-NEXT: s_addc_u32 s19, s19, external_void_func_void@rel32@hi+12
; FLATSCR: s_getpc_b64 s[0:1] ; FLATSCR: s_getpc_b64 s[16:17]
; FLATSCR-NEXT: s_add_u32 s0, s0, external_void_func_void@rel32@lo+4 ; FLATSCR-NEXT: s_add_u32 s16, s16, external_void_func_void@rel32@lo+4
; FLATSCR-NEXT: s_addc_u32 s1, s1, external_void_func_void@rel32@hi+12 ; FLATSCR-NEXT: s_addc_u32 s17, s17, external_void_func_void@rel32@hi+12
; GCN: s_mov_b32 s32, 0 ; GCN: s_mov_b32 s32, 0
; GCN-NOT: s34 ; GCN-NOT: s34
; GCN: ;;#ASMSTART ; GCN: ;;#ASMSTART
; GCN-NEXT: ; def s34 ; GCN-NEXT: ; def s34
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; GCN-NOT: s34 ; GCN-NOT: s34
; MUBUF: s_swappc_b64 s[30:31], s[4:5] ; MUBUF: s_swappc_b64 s[30:31], s[18:19]
; FLATSCR: s_swappc_b64 s[30:31], s[0:1] ; FLATSCR: s_swappc_b64 s[30:31], s[16:17]
; GCN-NOT: s34 ; GCN-NOT: s34
; GCN-NEXT: ;;#ASMSTART ; GCN-NEXT: ;;#ASMSTART
; GCN-NEXT: ; use s34 ; GCN-NEXT: ; use s34
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; GCN-NEXT: s_endpgm ; GCN-NEXT: s_endpgm
define amdgpu_kernel void @test_call_void_func_void_preserves_s34(i32 addrspace(1)* %out) #0 { define amdgpu_kernel void @test_call_void_func_void_preserves_s34(i32 addrspace(1)* %out) #0 {
%s34 = call i32 asm sideeffect "; def $0", "={s34}"() %s34 = call i32 asm sideeffect "; def $0", "={s34}"()
call void @external_void_func_void() call void @external_void_func_void()
call void asm sideeffect "; use $0", "{s34}"(i32 %s34) call void asm sideeffect "; use $0", "{s34}"(i32 %s34)
ret void ret void
} }
; GCN-LABEL: {{^}}test_call_void_func_void_preserves_v40: {{.*}} ; GCN-LABEL: {{^}}test_call_void_func_void_preserves_v40: {{.*}}
; GCN-NOT: v32 ; GCN-NOT: v32
; MUBUF: s_getpc_b64 s[4:5] ; MUBUF: s_getpc_b64 s[18:19]
; MUBUF-NEXT: s_add_u32 s4, s4, external_void_func_void@rel32@lo+4 ; MUBUF-NEXT: s_add_u32 s18, s18, external_void_func_void@rel32@lo+4
; MUBUF-NEXT: s_addc_u32 s5, s5, external_void_func_void@rel32@hi+12 ; MUBUF-NEXT: s_addc_u32 s19, s19, external_void_func_void@rel32@hi+12
; FLATSCR: s_getpc_b64 s[0:1] ; FLATSCR: s_getpc_b64 s[16:17]
; FLATSCR-NEXT: s_add_u32 s0, s0, external_void_func_void@rel32@lo+4 ; FLATSCR-NEXT: s_add_u32 s16, s16, external_void_func_void@rel32@lo+4
; FLATSCR-NEXT: s_addc_u32 s1, s1, external_void_func_void@rel32@hi+12 ; FLATSCR-NEXT: s_addc_u32 s17, s17, external_void_func_void@rel32@hi+12
; GCN: s_mov_b32 s32, 0 ; GCN: s_mov_b32 s32, 0
; GCN-NOT: v40 ; GCN-NOT: v40
; GCN: ;;#ASMSTART ; GCN: ;;#ASMSTART
; GCN-NEXT: ; def v40 ; GCN-NEXT: ; def v40
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; MUBUF: s_swappc_b64 s[30:31], s[4:5] ; MUBUF: s_swappc_b64 s[30:31], s[18:19]
; FLATSCR: s_swappc_b64 s[30:31], s[0:1] ; FLATSCR: s_swappc_b64 s[30:31], s[16:17]
; GCN-NOT: v40 ; GCN-NOT: v40
; GCN: ;;#ASMSTART ; GCN: ;;#ASMSTART
; GCN-NEXT: ; use v40 ; GCN-NEXT: ; use v40
; GCN-NEXT: ;;#ASMEND ; GCN-NEXT: ;;#ASMEND
; GCN-NEXT: s_endpgm ; GCN-NEXT: s_endpgm
define amdgpu_kernel void @test_call_void_func_void_preserves_v40(i32 addrspace(1)* %out) #0 { define amdgpu_kernel void @test_call_void_func_void_preserves_v40(i32 addrspace(1)* %out) #0 {
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