test/CodeGen/AMDGPU/pei-vgpr-block-spill-csr.mir - llvm-project/llvm - Git at Google

 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -mattr=+block-vgpr-csr,+wavefrontsize32,-wavefrontsize64 -start-before=si-lower-sgpr-spills -stop-after=prologepilog -verify-machineinstrs -o - %s | FileCheck %s --check-prefixes=CHECK,W32
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -mattr=+block-vgpr-csr,-wavefrontsize32,+wavefrontsize64 -start-before=si-lower-sgpr-spills -stop-after=prologepilog -verify-machineinstrs -o - %s | FileCheck %s --check-prefixes=CHECK,W64

 --- |
   define void @one_block() { ret void }
   define void @one_block_csr_only() { ret void }
   define void @multiple_blocks() { ret void }
   define void @reg_tuples() { ret void }
   define void @locals() { ret void }
   define void @other_regs() { ret void }
   define amdgpu_kernel void @entry_func() { ret void }
   define void @multiple_basic_blocks() { ret void }
 ...

 # Block load/store v42 and v45. The mask should be 0x9.

 ---
 name: one_block
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31
     ; CHECK-LABEL: name: one_block
     ; CHECK: liveins: $sgpr30_sgpr31, $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: $m0 = S_MOV_B32 9
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45
     ; CHECK-NEXT: $m0 = S_MOV_B32 9
     ; CHECK-NEXT: $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr43, implicit $vgpr44, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63, implicit $vgpr72, implicit $vgpr73 :: (load (s1024) from %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Block load/store v40-47 and v56-63 (v48-55 and v64-71 are caller-saved). The
 # mask should be 0x00FF00FF.

 ---
 name: one_block_csr_only
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31
     ; CHECK-LABEL: name: one_block_csr_only
     ; CHECK: liveins: $sgpr30_sgpr31, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: $m0 = S_MOV_B32 16711935
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr42, implicit-def $vgpr43, implicit-def $vgpr44, implicit-def $vgpr45, implicit-def $vgpr46, implicit-def $vgpr47, implicit-def $vgpr48, implicit-def $vgpr49, implicit-def $vgpr50, implicit-def $vgpr51, implicit-def $vgpr52, implicit-def $vgpr53, implicit-def $vgpr54, implicit-def $vgpr55, implicit-def $vgpr56, implicit-def $vgpr57, implicit-def $vgpr58, implicit-def $vgpr59, implicit-def $vgpr60, implicit-def $vgpr61, implicit-def $vgpr62, implicit-def $vgpr63, implicit-def $vgpr64, implicit-def $vgpr65, implicit-def $vgpr66
     ; CHECK-NEXT: $m0 = S_MOV_B32 16711935
     ; CHECK-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (load (s1024) from %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr42, implicit-def $vgpr43, implicit-def $vgpr44, implicit-def $vgpr45, implicit-def $vgpr46, implicit-def $vgpr47, implicit-def $vgpr48, implicit-def $vgpr49, implicit-def $vgpr50, implicit-def $vgpr51, implicit-def $vgpr52, implicit-def $vgpr53, implicit-def $vgpr54, implicit-def $vgpr55, implicit-def $vgpr56, implicit-def $vgpr57, implicit-def $vgpr58, implicit-def $vgpr59, implicit-def $vgpr60, implicit-def $vgpr61, implicit-def $vgpr62, implicit-def $vgpr63, implicit-def $vgpr64, implicit-def $vgpr65, implicit-def $vgpr66
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Block load/store to/from different blocks.
 # Note the mask for storing v232, which is 0x100 because we have to start the
 # block at v224 (since the upper limit is 255). For the same reason, the first
 # stack slot will be 36 bytes long (the first 32 will be empty, since the memory
 # will not get compacted). The second slot, which will hold registers v104 and
 # v110, will be 28 bytes long, and finally the third, holding registers v40 and
 # v41, will be 8 bytes long.
 ---
 name: multiple_blocks
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31
     ; CHECK-LABEL: name: multiple_blocks
     ; CHECK: liveins: $sgpr30_sgpr31, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $vgpr104_vgpr105_vgpr106_vgpr107_vgpr108_vgpr109_vgpr110_vgpr111_vgpr112_vgpr113_vgpr114_vgpr115_vgpr116_vgpr117_vgpr118_vgpr119_vgpr120_vgpr121_vgpr122_vgpr123_vgpr124_vgpr125_vgpr126_vgpr127_vgpr128_vgpr129_vgpr130_vgpr131_vgpr132_vgpr133_vgpr134_vgpr135, $vgpr232_vgpr233_vgpr234_vgpr235_vgpr236_vgpr237_vgpr238_vgpr239_vgpr240_vgpr241_vgpr242_vgpr243_vgpr244_vgpr245_vgpr246_vgpr247_vgpr248_vgpr249_vgpr250_vgpr251_vgpr252_vgpr253_vgpr254_vgpr255_vgpr256_vgpr257_vgpr258_vgpr259_vgpr260_vgpr261_vgpr262_vgpr263
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: $m0 = S_MOV_B32 3
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 32, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 65
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr104_vgpr105_vgpr106_vgpr107_vgpr108_vgpr109_vgpr110_vgpr111_vgpr112_vgpr113_vgpr114_vgpr115_vgpr116_vgpr117_vgpr118_vgpr119_vgpr120_vgpr121_vgpr122_vgpr123_vgpr124_vgpr125_vgpr126_vgpr127_vgpr128_vgpr129_vgpr130_vgpr131_vgpr132_vgpr133_vgpr134_vgpr135, $sgpr32, 4, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.1, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 1
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr232_vgpr233_vgpr234_vgpr235_vgpr236_vgpr237_vgpr238_vgpr239_vgpr240_vgpr241_vgpr242_vgpr243_vgpr244_vgpr245_vgpr246_vgpr247_vgpr248_vgpr249_vgpr250_vgpr251_vgpr252_vgpr253_vgpr254_vgpr255_vgpr256_vgpr257_vgpr258_vgpr259_vgpr260_vgpr261_vgpr262_vgpr263, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.2, align 4, addrspace 5)
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr104, implicit-def $vgpr110, implicit-def $vgpr232
     ; CHECK-NEXT: $m0 = S_MOV_B32 1
     ; CHECK-NEXT: $vgpr232_vgpr233_vgpr234_vgpr235_vgpr236_vgpr237_vgpr238_vgpr239_vgpr240_vgpr241_vgpr242_vgpr243_vgpr244_vgpr245_vgpr246_vgpr247_vgpr248_vgpr249_vgpr250_vgpr251_vgpr252_vgpr253_vgpr254_vgpr255_vgpr256_vgpr257_vgpr258_vgpr259_vgpr260_vgpr261_vgpr262_vgpr263 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr233, implicit $vgpr234, implicit $vgpr235, implicit $vgpr236, implicit $vgpr237, implicit $vgpr238, implicit $vgpr239, implicit $vgpr248, implicit $vgpr249, implicit $vgpr250, implicit $vgpr251, implicit $vgpr252, implicit $vgpr253, implicit $vgpr254, implicit $vgpr255 :: (load (s1024) from %stack.2, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 65
     ; CHECK-NEXT: $vgpr104_vgpr105_vgpr106_vgpr107_vgpr108_vgpr109_vgpr110_vgpr111_vgpr112_vgpr113_vgpr114_vgpr115_vgpr116_vgpr117_vgpr118_vgpr119_vgpr120_vgpr121_vgpr122_vgpr123_vgpr124_vgpr125_vgpr126_vgpr127_vgpr128_vgpr129_vgpr130_vgpr131_vgpr132_vgpr133_vgpr134_vgpr135 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 4, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr105, implicit $vgpr106, implicit $vgpr107, implicit $vgpr108, implicit $vgpr109, implicit $vgpr111, implicit $vgpr120, implicit $vgpr121, implicit $vgpr122, implicit $vgpr123, implicit $vgpr124, implicit $vgpr125, implicit $vgpr126, implicit $vgpr127 :: (load (s1024) from %stack.1, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 3
     ; CHECK-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 32, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr42, implicit $vgpr43, implicit $vgpr44, implicit $vgpr45, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63 :: (load (s1024) from %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr104, implicit-def $vgpr110, implicit-def $vgpr232
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Make sure we handle register tuples correctly, even when they're straddling
 # the boundary between blocks. The first mask should be 0x00000007 (the bottom
 # 2 registers from the second tuple are not callee saves), the second
 # 0x00000003.

 ---
 name: reg_tuples
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31
     ; CHECK-LABEL: name: reg_tuples
     ; CHECK: liveins: $sgpr30_sgpr31, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $vgpr72_vgpr73_vgpr74_vgpr75_vgpr76_vgpr77_vgpr78_vgpr79_vgpr80_vgpr81_vgpr82_vgpr83_vgpr84_vgpr85_vgpr86_vgpr87_vgpr88_vgpr89_vgpr90_vgpr91_vgpr92_vgpr93_vgpr94_vgpr95_vgpr96_vgpr97_vgpr98_vgpr99_vgpr100_vgpr101_vgpr102_vgpr103
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: $m0 = S_MOV_B32 7
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 8, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 3
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr72_vgpr73_vgpr74_vgpr75_vgpr76_vgpr77_vgpr78_vgpr79_vgpr80_vgpr81_vgpr82_vgpr83_vgpr84_vgpr85_vgpr86_vgpr87_vgpr88_vgpr89_vgpr90_vgpr91_vgpr92_vgpr93_vgpr94_vgpr95_vgpr96_vgpr97_vgpr98_vgpr99_vgpr100_vgpr101_vgpr102_vgpr103, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.1, align 4, addrspace 5)
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr40_vgpr41_vgpr42, implicit-def $vgpr70_vgpr71_vgpr72_vgpr73
     ; CHECK-NEXT: $m0 = S_MOV_B32 3
     ; CHECK-NEXT: $vgpr72_vgpr73_vgpr74_vgpr75_vgpr76_vgpr77_vgpr78_vgpr79_vgpr80_vgpr81_vgpr82_vgpr83_vgpr84_vgpr85_vgpr86_vgpr87_vgpr88_vgpr89_vgpr90_vgpr91_vgpr92_vgpr93_vgpr94_vgpr95_vgpr96_vgpr97_vgpr98_vgpr99_vgpr100_vgpr101_vgpr102_vgpr103 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr74, implicit $vgpr75, implicit $vgpr76, implicit $vgpr77, implicit $vgpr78, implicit $vgpr79, implicit $vgpr88, implicit $vgpr89, implicit $vgpr90, implicit $vgpr91, implicit $vgpr92, implicit $vgpr93, implicit $vgpr94, implicit $vgpr95 :: (load (s1024) from %stack.1, align 4, addrspace 5)
     ; CHECK-NEXT: $m0 = S_MOV_B32 7
     ; CHECK-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 8, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr43, implicit $vgpr44, implicit $vgpr45, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63 :: (load (s1024) from %stack.0, align 4, addrspace 5)
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr40_vgpr41_vgpr42, implicit-def $vgpr70_vgpr71_vgpr72_vgpr73
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Make sure we don't overwrite any stack variables.

 ---
 name: locals
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 stack:
 - { id: 0, type: default, offset: 0, size: 12, alignment: 4,
     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
     local-offset: 0, debug-info-variable: '', debug-info-expression: '',
     debug-info-location: '' }
 - { id: 1, type: default, offset: 12, size: 20, alignment: 4,
     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
     local-offset: 0, debug-info-variable: '', debug-info-expression: '',
     debug-info-location: '' }
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31, $vgpr48
     ; CHECK-LABEL: name: locals
     ; CHECK: liveins: $vgpr48, $sgpr30_sgpr31, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: $m0 = S_MOV_B32 1
     ; CHECK-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.2, align 4, addrspace 5)
     ; CHECK-NEXT: SCRATCH_STORE_DWORD_SADDR $vgpr48, $sgpr32, 4, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.0, addrspace 5)
     ; CHECK-NEXT: SCRATCH_STORE_DWORD_SADDR $vgpr48, $sgpr32, 20, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr40
     ; CHECK-NEXT: $m0 = S_MOV_B32 1
     ; CHECK-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr41, implicit $vgpr42, implicit $vgpr43, implicit $vgpr44, implicit $vgpr45, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63 :: (load (s1024) from %stack.2, align 4, addrspace 5)
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     SCRATCH_STORE_DWORD_SADDR $vgpr48, %stack.0, 0, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.0, addrspace 5)
     SCRATCH_STORE_DWORD_SADDR $vgpr48, %stack.1, 4, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
     S_NOP 0, implicit-def $vgpr40
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Make sure we don't break SGPR or WWM handling, and also that we don't
 # block-spill WWM VGPRs that have already been spilled (the mask for the block
 # load/store should be 0x9 because we don't want to include v41 or v42).
 # Use all VGPRs up to v40, so the WWM registers v41 and v42 and the VGPR used
 # for SGPR spills remain within the block.

 ---
 name: other_regs
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
   wwmReservedRegs:
     - '$vgpr41'
     - '$vgpr42'
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40
     ; W32-LABEL: name: other_regs
     ; W32: liveins: $sgpr48, $sgpr30_sgpr31, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71
     ; W32-NEXT: {{  $}}
     ; W32-NEXT: $sgpr0 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
     ; W32-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr41, $sgpr32, 16, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
     ; W32-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr42, $sgpr32, 20, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.2, addrspace 5)
     ; W32-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr44, $sgpr32, 24, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.3, addrspace 5)
     ; W32-NEXT: $exec_lo = S_MOV_B32 killed $sgpr0
     ; W32-NEXT: $m0 = S_MOV_B32 9
     ; W32-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.4, align 4, addrspace 5)
     ; W32-NEXT: $vgpr44 = SI_SPILL_S32_TO_VGPR $sgpr48, 0, $vgpr44
     ; W32-NEXT: S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr43, implicit-def $sgpr22, implicit-def $sgpr48, implicit-def $m0, implicit-def $exec
     ; W32-NEXT: S_NOP 0, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, implicit $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, implicit $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, implicit $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40
     ; W32-NEXT: $sgpr48 = SI_RESTORE_S32_FROM_VGPR $vgpr44, 0
     ; W32-NEXT: $m0 = S_MOV_B32 9
     ; W32-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr41, implicit $vgpr42, implicit $vgpr44, implicit $vgpr45, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63 :: (load (s1024) from %stack.4, align 4, addrspace 5)
     ; W32-NEXT: $sgpr0 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
     ; W32-NEXT: $vgpr41 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 16, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.1, addrspace 5)
     ; W32-NEXT: $vgpr42 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 20, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.2, addrspace 5)
     ; W32-NEXT: $vgpr44 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 24, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.3, addrspace 5)
     ; W32-NEXT: $exec_lo = S_MOV_B32 killed $sgpr0
     ; W32-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     ;
     ; W64-LABEL: name: other_regs
     ; W64: liveins: $sgpr48, $sgpr30_sgpr31, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40, $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71
     ; W64-NEXT: {{  $}}
     ; W64-NEXT: $sgpr0_sgpr1 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
     ; W64-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr41, $sgpr32, 16, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
     ; W64-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr42, $sgpr32, 20, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.2, addrspace 5)
     ; W64-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr44, $sgpr32, 24, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.3, addrspace 5)
     ; W64-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
     ; W64-NEXT: $m0 = S_MOV_B32 9
     ; W64-NEXT: SCRATCH_STORE_BLOCK_SADDR $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.4, align 4, addrspace 5)
     ; W64-NEXT: $vgpr44 = SI_SPILL_S32_TO_VGPR $sgpr48, 0, $vgpr44
     ; W64-NEXT: S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr43, implicit-def $sgpr22, implicit-def $sgpr48, implicit-def $m0, implicit-def $exec
     ; W64-NEXT: S_NOP 0, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, implicit $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, implicit $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, implicit $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40
     ; W64-NEXT: $sgpr48 = SI_RESTORE_S32_FROM_VGPR $vgpr44, 0
     ; W64-NEXT: $m0 = S_MOV_B32 9
     ; W64-NEXT: $vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr41, implicit $vgpr42, implicit $vgpr44, implicit $vgpr45, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63 :: (load (s1024) from %stack.4, align 4, addrspace 5)
     ; W64-NEXT: $sgpr0_sgpr1 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
     ; W64-NEXT: $vgpr41 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 16, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.1, addrspace 5)
     ; W64-NEXT: $vgpr42 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 20, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.2, addrspace 5)
     ; W64-NEXT: $vgpr44 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 24, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.3, addrspace 5)
     ; W64-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
     ; W64-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr40, implicit-def $vgpr41, implicit-def $vgpr43, implicit-def $sgpr22, implicit-def $sgpr48, implicit-def $m0, implicit-def $exec
     S_NOP 0, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7, implicit $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23, implicit $vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, implicit $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40

     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 # Make sure we don't break anything for entry functions.

 ---
 name: entry_func
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   bb.0:
     liveins: $sgpr30_sgpr31
     ; CHECK-LABEL: name: entry_func
     ; CHECK: liveins: $sgpr30_sgpr31
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45, implicit-def $vgpr51
     ; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
     S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45, implicit-def $vgpr51
     S_SETPC_B64_return $sgpr30_sgpr31
 ...

 ---
 name: multiple_basic_blocks
 tracksRegLiveness: true
 machineFunctionInfo:
   stackPtrOffsetReg: $sgpr32
 body: |
   ; CHECK-LABEL: name: multiple_basic_blocks
   ; CHECK: bb.0:
   ; CHECK-NEXT:   successors: %bb.1(0x80000000)
   ; CHECK-NEXT:   liveins: $vgpr44, $sgpr30_sgpr31, $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT:   $m0 = S_MOV_B32 11
   ; CHECK-NEXT:   SCRATCH_STORE_BLOCK_SADDR $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0 :: (store (s1024) into %stack.0, align 4, addrspace 5)
   ; CHECK-NEXT:   S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45
   ; CHECK-NEXT:   S_BRANCH %bb.1
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT: bb.1:
   ; CHECK-NEXT:   successors: %bb.2(0x80000000)
   ; CHECK-NEXT:   liveins: $vgpr44, $sgpr30_sgpr31
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT:   S_NOP 0, implicit-def $vgpr43, implicit $vgpr44
   ; CHECK-NEXT:   S_BRANCH %bb.2
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT: bb.2:
   ; CHECK-NEXT:   liveins: $sgpr30_sgpr31, $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT:   $m0 = S_MOV_B32 11
   ; CHECK-NEXT:   $vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47_vgpr48_vgpr49_vgpr50_vgpr51_vgpr52_vgpr53_vgpr54_vgpr55_vgpr56_vgpr57_vgpr58_vgpr59_vgpr60_vgpr61_vgpr62_vgpr63_vgpr64_vgpr65_vgpr66_vgpr67_vgpr68_vgpr69_vgpr70_vgpr71_vgpr72_vgpr73 = SCRATCH_LOAD_BLOCK_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, implicit $m0, implicit $vgpr44, implicit $vgpr46, implicit $vgpr47, implicit $vgpr56, implicit $vgpr57, implicit $vgpr58, implicit $vgpr59, implicit $vgpr60, implicit $vgpr61, implicit $vgpr62, implicit $vgpr63, implicit $vgpr72, implicit $vgpr73 :: (load (s1024) from %stack.0, align 4, addrspace 5)
   ; CHECK-NEXT:   S_SETPC_B64_return $sgpr30_sgpr31
   bb.0:
     liveins: $sgpr30_sgpr31, $vgpr44
     S_NOP 0, implicit-def $vgpr42, implicit-def $vgpr45
     S_BRANCH %bb.1

   bb.1:
     liveins: $sgpr30_sgpr31, $vgpr44
     S_NOP 0, implicit-def $vgpr43, implicit $vgpr44
     S_BRANCH %bb.2

   bb.2:
     liveins: $sgpr30_sgpr31
     S_SETPC_B64_return $sgpr30_sgpr31
 ...