| ; RUN: llc -mtriple=amdgpu9.0a-amd-amdhsa -filetype=null %s 2>&1 | FileCheck --implicit-check-not=warning -check-prefix=WARN %s | |
| ; Check the effect that amdgpu-agpr-alloc has on register reservations. | |
| ; | |
| ; Asm clobbers will print a warning when they clobber reserved | |
| ; registers, and should be uniquely identified in the message from the | |
| ; !srcloc values. | |
| ; The occupancy target warnings should be a side effect of violating | |
| ; the register budget with asm. | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a0 at line 1 | |
| define amdgpu_kernel void @min_num_agpr_0_0__amdgpu_no_agpr() #0 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 1} | |
| ret void | |
| } | |
| attributes #0 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0,0" } | |
| ; Check parse of single entry 0 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a0 at line 2 | |
| define amdgpu_kernel void @min_num_agpr_0__amdgpu_no_agpr() #1 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 2} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 2} | |
| ret void | |
| } | |
| attributes #1 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0" } | |
| ; Undefined use | |
| define amdgpu_kernel void @min_num_agpr_1_1() #2 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 3} | |
| ret void | |
| } | |
| attributes #2 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="1,1" } | |
| ; Check parse of single entry 4, interpreted as the minimum. Total budget is 64. | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_4__amdgpu_no_agpr': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v60 at line 4 | |
| define amdgpu_kernel void @min_num_agpr_4__amdgpu_no_agpr() #3 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 4} | |
| call void asm sideeffect "; clobber $0","~{a3}"(), !srcloc !{i32 4} | |
| call void asm sideeffect "; clobber $0","~{v59}"(), !srcloc !{i32 4} | |
| call void asm sideeffect "; clobber $0","~{v60}"(), !srcloc !{i32 4} | |
| ret void | |
| } | |
| attributes #3 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="4" } | |
| ; Allocation granularity requires rounding this to use 4 AGPRs, so the | |
| ; top 4 VGPRs are unavailable. The maximum agpr count is also padded | |
| ; up to the minimum of 4 | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ8_1_1': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a4 at line 5 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v60 at line 5 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v63 at line 5 | |
| define amdgpu_kernel void @min_num_agpr_occ8_1_1() #4 { | |
| call void asm sideeffect "; clobber $0","~{a3}"(), !srcloc !{i32 5} | |
| call void asm sideeffect "; clobber $0","~{a4}"(), !srcloc !{i32 5} | |
| call void asm sideeffect "; clobber $0","~{v59}"(), !srcloc !{i32 5} | |
| call void asm sideeffect "; clobber $0","~{v60}"(), !srcloc !{i32 5} | |
| call void asm sideeffect "; clobber $0","~{v63}"(), !srcloc !{i32 5} | |
| ret void | |
| } | |
| attributes #4 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="1,1" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_64_64__amdgpu_no_agpr': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 6 | |
| define amdgpu_kernel void @min_num_agpr_64_64__amdgpu_no_agpr() #5 { | |
| call void asm sideeffect "; clobber $0","~{a63}"(), !srcloc !{i32 6} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 6} | |
| ret void | |
| } | |
| attributes #5 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="64,64" } | |
| ; No free VGPRs | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 7 | |
| define amdgpu_kernel void @min_num_agpr_64_64() #6 { | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 7} | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 7} | |
| ret void | |
| } | |
| attributes #6 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="64,64" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_63_64': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 8 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v3 at line 8 | |
| define amdgpu_kernel void @min_num_agpr_63_64() #7 { | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 8} | |
| call void asm sideeffect "; clobber $0","~{v3}"(), !srcloc !{i32 8} | |
| call void asm sideeffect "; clobber $0","~{a59}"(), !srcloc !{i32 8} | |
| call void asm sideeffect "; clobber $0","~{a60}"(), !srcloc !{i32 8} | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 8} | |
| ret void | |
| } | |
| attributes #7 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="63,64" } | |
| ; No-op value. | |
| define amdgpu_kernel void @min_num_agpr_occ8_0_64() #8 { | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 9} | |
| call void asm sideeffect "; clobber $0","~{v59}"(), !srcloc !{i32 9} | |
| ret void | |
| } | |
| attributes #8 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0,64" } | |
| ; Register budget 64 | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ8_11_59': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a12 at line 10 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v52 at line 10 | |
| define amdgpu_kernel void @min_num_agpr_occ8_11_59() #9 { | |
| call void asm sideeffect "; clobber $0","~{a11}"(), !srcloc !{i32 10} | |
| call void asm sideeffect "; clobber $0","~{a12}"(), !srcloc !{i32 10} | |
| call void asm sideeffect "; clobber $0","~{v51}"(), !srcloc !{i32 10} | |
| call void asm sideeffect "; clobber $0","~{v52}"(), !srcloc !{i32 10} | |
| ret void | |
| } | |
| attributes #9 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="11,59" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ8_12_59': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a12 at line 11 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v52 at line 11 | |
| define amdgpu_kernel void @min_num_agpr_occ8_12_59() #10 { | |
| call void asm sideeffect "; clobber $0","~{a11}"(), !srcloc !{i32 11} | |
| call void asm sideeffect "; clobber $0","~{a12}"(), !srcloc !{i32 11} | |
| call void asm sideeffect "; clobber $0","~{v51}"(), !srcloc !{i32 11} | |
| call void asm sideeffect "; clobber $0","~{v52}"(), !srcloc !{i32 11} | |
| ret void | |
| } | |
| attributes #10 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="12,59" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ8_12_20': desired occupancy was 8, final occupancy is 7 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a12 at line 12 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v52 at line 12 | |
| define amdgpu_kernel void @min_num_agpr_occ8_12_20() #11 { | |
| call void asm sideeffect "; clobber $0","~{a11}"(), !srcloc !{i32 12} | |
| call void asm sideeffect "; clobber $0","~{a12}"(), !srcloc !{i32 12} | |
| call void asm sideeffect "; clobber $0","~{v51}"(), !srcloc !{i32 12} | |
| call void asm sideeffect "; clobber $0","~{v52}"(), !srcloc !{i32 12} | |
| ret void | |
| } | |
| attributes #11 = { "amdgpu-waves-per-eu"="8,8" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="12,20" } | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a20 at line 13 | |
| define amdgpu_kernel void @min_num_agpr_occ1_12_20() #12 { | |
| call void asm sideeffect "; clobber $0","~{a12}"(), !srcloc !{i32 13} | |
| call void asm sideeffect "; clobber $0","~{a19}"(), !srcloc !{i32 13} | |
| call void asm sideeffect "; clobber $0","~{a20}"(), !srcloc !{i32 13} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 13} | |
| call void asm sideeffect "; clobber $0","~{v20}"(), !srcloc !{i32 13} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 13} | |
| ret void | |
| } | |
| attributes #12 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="12,20" } | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a20 at line 14 | |
| define amdgpu_kernel void @min_num_agpr_occ1_13_20() #13 { | |
| call void asm sideeffect "; clobber $0","~{a11}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{a12}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{a13}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{a19}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{a20}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{v51}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{v20}"(), !srcloc !{i32 14} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 14} | |
| ret void | |
| } | |
| attributes #13 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="13,20" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ2_13_20': desired occupancy was 2, final occupancy is 1 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a16 at line 15 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a20 at line 15 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v240 at line 15 | |
| define amdgpu_kernel void @min_num_agpr_occ2_13_20() #14 { | |
| call void asm sideeffect "; clobber $0","~{a15}"(), !srcloc !{i32 15} | |
| call void asm sideeffect "; clobber $0","~{a16}"(), !srcloc !{i32 15} | |
| call void asm sideeffect "; clobber $0","~{a20}"(), !srcloc !{i32 15} | |
| call void asm sideeffect "; clobber $0","~{v239}"(), !srcloc !{i32 15} | |
| call void asm sideeffect "; clobber $0","~{v240}"(), !srcloc !{i32 15} | |
| ret void | |
| } | |
| attributes #14 = { "amdgpu-waves-per-eu"="2,2" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="13,20" } | |
| ; Test maximum exceeds the hardware limit. | |
| define amdgpu_kernel void @min_num_agpr_occ1_13_257() #15 { | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 16} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 16} | |
| ret void | |
| } | |
| attributes #15 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="13,257" } | |
| ; Test min and max exceeds the hardware limit. | |
| define amdgpu_kernel void @min_num_agpr_occ1_257_257() #16 { | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 17} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 17} | |
| ret void | |
| } | |
| attributes #16 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="257,257" } | |
| ; Test round up hits the hardware limit | |
| define amdgpu_kernel void @min_num_agpr_occ1_255_255() #17 { | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 18} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 18} | |
| ret void | |
| } | |
| attributes #17 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="255,255" } | |
| ; Test round up hits the hardware limit | |
| define amdgpu_kernel void @min_num_agpr_occ1_253_259() #18 { | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 19} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 19} | |
| ret void | |
| } | |
| attributes #18 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="253,259" } | |
| ; With a minimum of 0, we are not required to allocate any AGPRs | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ4_0_64': desired occupancy was 4, final occupancy is 2 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a0 at line 20 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a63 at line 20 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a64 at line 20 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v128 at line 20 | |
| define amdgpu_kernel void @min_num_agpr_occ4_0_64() #19 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{a63}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{a64}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{v63}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{v64}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{v127}"(), !srcloc !{i32 20} | |
| call void asm sideeffect "; clobber $0","~{v128}"(), !srcloc !{i32 20} | |
| ret void | |
| } | |
| attributes #19 = { "amdgpu-waves-per-eu"="4,4" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0,64" } | |
| ; With a non-0 minimum, we must allocate at least 4 AGPRs. The rest of | |
| ; the budget is for VGPRs. | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ4_1_64': desired occupancy was 4, final occupancy is 2 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a4 at line 21 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a63 at line 21 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a64 at line 21 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v124 at line 21 | |
| define amdgpu_kernel void @min_num_agpr_occ4_1_64() #20 { | |
| call void asm sideeffect "; clobber $0","~{a0}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{a3}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{a4}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{a63}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{a64}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{v63}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{v64}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{v123}"(), !srcloc !{i32 21} | |
| call void asm sideeffect "; clobber $0","~{v124}"(), !srcloc !{i32 21} | |
| ret void | |
| } | |
| attributes #20 = { "amdgpu-waves-per-eu"="4,4" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="1,64" } | |
| ; 128 vector registers | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ4_32_64': desired occupancy was 4, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a32 at line 22 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v96 at line 22 | |
| define amdgpu_kernel void @min_num_agpr_occ4_32_64() #21 { | |
| call void asm sideeffect "; clobber $0","~{a31}"(), !srcloc !{i32 22} | |
| call void asm sideeffect "; clobber $0","~{a32}"(), !srcloc !{i32 22} | |
| call void asm sideeffect "; clobber $0","~{v95}"(), !srcloc !{i32 22} | |
| call void asm sideeffect "; clobber $0","~{v96}"(), !srcloc !{i32 22} | |
| ret void | |
| } | |
| attributes #21 = { "amdgpu-waves-per-eu"="4,4" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="32,64" } | |
| ; Evenly partition the 128 vector registers | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ4_64_64': desired occupancy was 4, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a64 at line 23 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v64 at line 23 | |
| define amdgpu_kernel void @min_num_agpr_occ4_64_64() #22 { | |
| call void asm sideeffect "; clobber $0","~{a63}"(), !srcloc !{i32 23} | |
| call void asm sideeffect "; clobber $0","~{a64}"(), !srcloc !{i32 23} | |
| call void asm sideeffect "; clobber $0","~{v63}"(), !srcloc !{i32 23} | |
| call void asm sideeffect "; clobber $0","~{v64}"(), !srcloc !{i32 23} | |
| ret void | |
| } | |
| attributes #22 = { "amdgpu-waves-per-eu"="4,4" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="64,64" } | |
| ; We are not required to allocate any AGPRs, but they are available | |
| ; with a budget of 512 vector registers. We are artificially limiting | |
| ; to use 64. | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a64 at line 24 | |
| define amdgpu_kernel void @min_num_agpr_occ1_0_64() #23 { | |
| call void asm sideeffect "; clobber $0","~{a63}"(), !srcloc !{i32 24} | |
| call void asm sideeffect "; clobber $0","~{a64}"(), !srcloc !{i32 24} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 24} | |
| ret void | |
| } | |
| attributes #23 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0,64" } | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a68 at line 25 | |
| define amdgpu_kernel void @min_num_agpr_occ1_0_68() #24 { | |
| call void asm sideeffect "; clobber $0","~{a67}"(), !srcloc !{i32 25} | |
| call void asm sideeffect "; clobber $0","~{a68}"(), !srcloc !{i32 25} | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 25} | |
| ret void | |
| } | |
| attributes #24 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="64,64" "amdgpu-agpr-alloc"="0,68" } | |
| ; The total vector register budget is 128, claim more than that for | |
| ; the minimum AGPRs. This checks for an assertion. | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ10__min_agpr_129': desired occupancy was 8, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a128 at line 26 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 26 | |
| define amdgpu_kernel void @min_num_agpr_occ10__min_agpr_129() #25 { | |
| call void asm sideeffect "; clobber $0","~{a127}"(), !srcloc !{i32 26} | |
| call void asm sideeffect "; clobber $0","~{a128}"(), !srcloc !{i32 26} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 26} | |
| ret void | |
| } | |
| attributes #25 = { "amdgpu-waves-per-eu"="8,10" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="129" } | |
| ; Check for another assertion, request beyond the budget. | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ10__min_agpr_129_129': desired occupancy was 8, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a128 at line 27 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 27 | |
| define amdgpu_kernel void @min_num_agpr_occ10__min_agpr_129_129() #26 { | |
| call void asm sideeffect "; clobber $0","~{a127}"(), !srcloc !{i32 27} | |
| call void asm sideeffect "; clobber $0","~{a128}"(), !srcloc !{i32 27} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 27} | |
| ret void | |
| } | |
| attributes #26 = { "amdgpu-waves-per-eu"="8,10" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="129,129" } | |
| ; The total vector register budget is 128, claim all of it for AGPRs. | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ10__min_agpr_128': desired occupancy was 8, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a128 at line 28 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 28 | |
| define amdgpu_kernel void @min_num_agpr_occ10__min_agpr_128() #27 { | |
| call void asm sideeffect "; clobber $0","~{a127}"(), !srcloc !{i32 28} | |
| call void asm sideeffect "; clobber $0","~{a128}"(), !srcloc !{i32 28} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 28} | |
| ret void | |
| } | |
| attributes #27 = { "amdgpu-waves-per-eu"="8,10" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="128" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ10__min_agpr_257': desired occupancy was 8, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a128 at line 29 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 29 | |
| define amdgpu_kernel void @min_num_agpr_occ10__min_agpr_257() #28 { | |
| call void asm sideeffect "; clobber $0","~{a127}"(), !srcloc !{i32 29} | |
| call void asm sideeffect "; clobber $0","~{a128}"(), !srcloc !{i32 29} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 29} | |
| ret void | |
| } | |
| attributes #28 = { "amdgpu-waves-per-eu"="8,10" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="257" } | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ10__min_agpr_257_257': desired occupancy was 8, final occupancy is 3 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a128 at line 30 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v0 at line 30 | |
| define amdgpu_kernel void @min_num_agpr_occ10__min_agpr_257_257() #29 { | |
| call void asm sideeffect "; clobber $0","~{a127}"(), !srcloc !{i32 30} | |
| call void asm sideeffect "; clobber $0","~{a128}"(), !srcloc !{i32 30} | |
| call void asm sideeffect "; clobber $0","~{v0}"(), !srcloc !{i32 30} | |
| ret void | |
| } | |
| attributes #29 = { "amdgpu-waves-per-eu"="8,10" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="257,257" } | |
| ; The total vector register budget is 96 | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ5__min_agpr_8_256': desired occupancy was 5, final occupancy is 4 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v88 at line 31 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a8 at line 31 | |
| define amdgpu_kernel void @min_num_agpr_occ5__min_agpr_8_256() #30 { | |
| call void asm sideeffect "; clobber $0","~{v87}"(), !srcloc !{i32 31} | |
| call void asm sideeffect "; clobber $0","~{v88}"(), !srcloc !{i32 31} | |
| call void asm sideeffect "; clobber $0","~{a7}"(), !srcloc !{i32 31} | |
| call void asm sideeffect "; clobber $0","~{a8}"(), !srcloc !{i32 31} | |
| ret void | |
| } | |
| attributes #30 = { "amdgpu-waves-per-eu"="5,5" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="8,256" } | |
| ; The total vector register budget is 96 | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ5__min_agpr_8': desired occupancy was 5, final occupancy is 4 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v88 at line 32 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a8 at line 32 | |
| define amdgpu_kernel void @min_num_agpr_occ5__min_agpr_8() #31 { | |
| call void asm sideeffect "; clobber $0","~{v87}"(), !srcloc !{i32 32} | |
| call void asm sideeffect "; clobber $0","~{v88}"(), !srcloc !{i32 32} | |
| call void asm sideeffect "; clobber $0","~{a7}"(), !srcloc !{i32 32} | |
| call void asm sideeffect "; clobber $0","~{a8}"(), !srcloc !{i32 32} | |
| ret void | |
| } | |
| ; budget is 96 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v88 at line 33 | |
| define amdgpu_kernel void @min_num_agpr_occ5__min_agpr_8_no_agpr_references() #31 { | |
| call void asm sideeffect "; clobber $0","~{v87}"(), !srcloc !{i32 33} | |
| call void asm sideeffect "; clobber $0","~{v88}"(), !srcloc !{i32 33} | |
| ret void | |
| } | |
| attributes #31 = { "amdgpu-waves-per-eu"="5,5" "amdgpu-flat-work-group-size"="1024,1024" "amdgpu-agpr-alloc"="8" } | |
| ; register budget 256 | |
| ; WARN: warning: <unknown>:0:0: failed to meet occupancy target given by 'amdgpu-waves-per-eu' in 'min_num_agpr_occ2__min_agpr_93': desired occupancy was 2, final occupancy is 1 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: v160 at line 34 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a96 at line 34 | |
| define amdgpu_kernel void @min_num_agpr_occ2__min_agpr_93() #33 { | |
| call void asm sideeffect "; clobber $0","~{v159}"(), !srcloc !{i32 34} | |
| call void asm sideeffect "; clobber $0","~{v160}"(), !srcloc !{i32 34} | |
| call void asm sideeffect "; clobber $0","~{a95}"(), !srcloc !{i32 34} | |
| call void asm sideeffect "; clobber $0","~{a96}"(), !srcloc !{i32 34} | |
| ret void | |
| } | |
| attributes #33 = { "amdgpu-waves-per-eu"="2,2" "amdgpu-flat-work-group-size"="1,256" "amdgpu-agpr-alloc"="93" } | |
| ; register budget 512, no warnings and fully allocated | |
| define amdgpu_kernel void @min_num_agpr_occ1__min_agpr_93() #34 { | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 35} | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 35} | |
| ret void | |
| } | |
| attributes #34 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="1,256" "amdgpu-agpr-alloc"="93" } | |
| ; register budget 256 | |
| ; WARN: warning: inline asm clobber list contains reserved registers: a96 at line 36 | |
| define amdgpu_kernel void @min_num_agpr_occ1__min_agpr_93_93() #35 { | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 36} | |
| call void asm sideeffect "; clobber $0","~{a95}"(), !srcloc !{i32 36} | |
| call void asm sideeffect "; clobber $0","~{a96}"(), !srcloc !{i32 36} | |
| ret void | |
| } | |
| attributes #35 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="1,256" "amdgpu-agpr-alloc"="93,93" } | |
| ; register budget 512, fully allocated and no warnings. | |
| define amdgpu_kernel void @min_num_agpr_occ1__min_agpr_256() #36 { | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 37} | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 37} | |
| ret void | |
| } | |
| attributes #36 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="1,256" "amdgpu-agpr-alloc"="256" } | |
| ; register budget 512, fully allocated and no warnings. | |
| define amdgpu_kernel void @min_num_agpr_occ1__min_agpr_256_256() #37 { | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 38} | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 38} | |
| ret void | |
| } | |
| attributes #37 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="1,256" "amdgpu-agpr-alloc"="256,256" } | |
| ; register budget 512, fully allocated and no warnings. | |
| define amdgpu_kernel void @occ1_min_agpr_no_attr() #38 { | |
| call void asm sideeffect "; clobber $0","~{v255}"(), !srcloc !{i32 39} | |
| call void asm sideeffect "; clobber $0","~{a255}"(), !srcloc !{i32 39} | |
| ret void | |
| } | |
| attributes #38 = { "amdgpu-waves-per-eu"="1,1" "amdgpu-flat-work-group-size"="256,256" } |