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d773f533b9
Summary: GCNSchedStrategy re-uses most of GenericScheduler, it's just uses a different method to compute the excess and critical register pressure limits. It's not enabled by default, to enable it you need to pass -misched=gcn to llc. Shader DB stats: 32464 shaders in 17874 tests Totals: SGPRS: 1542846 -> 1643125 (6.50 %) VGPRS: 1005595 -> 904653 (-10.04 %) Spilled SGPRs: 29929 -> 27745 (-7.30 %) Spilled VGPRs: 334 -> 352 (5.39 %) Scratch VGPRs: 1612 -> 1624 (0.74 %) dwords per thread Code Size: 36688188 -> 37034900 (0.95 %) bytes LDS: 1913 -> 1913 (0.00 %) blocks Max Waves: 254101 -> 265125 (4.34 %) Wait states: 0 -> 0 (0.00 %) Totals from affected shaders: SGPRS: 1338220 -> 1438499 (7.49 %) VGPRS: 886221 -> 785279 (-11.39 %) Spilled SGPRs: 29869 -> 27685 (-7.31 %) Spilled VGPRs: 334 -> 352 (5.39 %) Scratch VGPRs: 1612 -> 1624 (0.74 %) dwords per thread Code Size: 34315716 -> 34662428 (1.01 %) bytes LDS: 1551 -> 1551 (0.00 %) blocks Max Waves: 188127 -> 199151 (5.86 %) Wait states: 0 -> 0 (0.00 %) Reviewers: arsenm, mareko, nhaehnle, MatzeB, atrick Subscribers: arsenm, kzhuravl, llvm-commits Differential Revision: https://reviews.llvm.org/D23688 llvm-svn: 279995
101 lines
3.6 KiB
LLVM
101 lines
3.6 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
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; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
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; SI-LABEL: {{^}}trunc_i64_to_i32_store:
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; SI: s_load_dword [[SLOAD:s[0-9]+]], s[0:1], 0xb
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; SI: v_mov_b32_e32 [[VLOAD:v[0-9]+]], [[SLOAD]]
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; SI: buffer_store_dword [[VLOAD]]
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; EG-LABEL: {{^}}trunc_i64_to_i32_store:
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; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
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; EG: LSHR
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; EG-NEXT: 2(
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%result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}trunc_load_shl_i64:
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; SI-DAG: s_load_dwordx2
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; SI-DAG: s_load_dword [[SREG:s[0-9]+]],
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; SI: s_lshl_b32 [[SHL:s[0-9]+]], [[SREG]], 2
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; SI: v_mov_b32_e32 [[VSHL:v[0-9]+]], [[SHL]]
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; SI: buffer_store_dword [[VSHL]],
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define void @trunc_load_shl_i64(i32 addrspace(1)* %out, i64 %a) {
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%b = shl i64 %a, 2
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%result = trunc i64 %b to i32
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}trunc_shl_i64:
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; SI: s_load_dwordx2 s{{\[}}[[LO_SREG:[0-9]+]]:{{[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
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; SI: s_lshl_b64 s{{\[}}[[LO_SHL:[0-9]+]]:{{[0-9]+\]}}, s{{\[}}[[LO_SREG]]:{{[0-9]+\]}}, 2
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; SI: s_add_u32 s[[LO_SREG2:[0-9]+]], s[[LO_SHL]],
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; SI: v_mov_b32_e32 v[[LO_VREG:[0-9]+]], s[[LO_SREG2]]
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; SI: s_addc_u32
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; SI: buffer_store_dword v[[LO_VREG]],
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; SI: v_mov_b32_e32
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; SI: v_mov_b32_e32
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define void @trunc_shl_i64(i64 addrspace(1)* %out2, i32 addrspace(1)* %out, i64 %a) {
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%aa = add i64 %a, 234 ; Prevent shrinking store.
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%b = shl i64 %aa, 2
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%result = trunc i64 %b to i32
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store i32 %result, i32 addrspace(1)* %out, align 4
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store i64 %b, i64 addrspace(1)* %out2, align 8 ; Prevent reducing ops to 32-bits
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ret void
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}
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; SI-LABEL: {{^}}trunc_i32_to_i1:
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; SI: v_and_b32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; SI: v_cmp_eq_i32
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define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) {
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%a = load i32, i32 addrspace(1)* %ptr, align 4
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%trunc = trunc i32 %a to i1
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%result = select i1 %trunc, i32 1, i32 0
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}sgpr_trunc_i32_to_i1:
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; SI: s_and_b32 s{{[0-9]+}}, 1, s{{[0-9]+}}
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; SI: v_cmp_eq_i32
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define void @sgpr_trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) {
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%trunc = trunc i32 %a to i1
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%result = select i1 %trunc, i32 1, i32 0
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}s_trunc_i64_to_i1:
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; SI: s_load_dwordx2 s{{\[}}[[SLO:[0-9]+]]:{{[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0xb
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; SI: s_and_b32 [[MASKED:s[0-9]+]], 1, s[[SLO]]
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; SI: v_cmp_eq_i32_e64 s{{\[}}[[VLO:[0-9]+]]:[[VHI:[0-9]+]]], 1, [[MASKED]]
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; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, s{{\[}}[[VLO]]:[[VHI]]]
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define void @s_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 %x) {
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%trunc = trunc i64 %x to i1
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%sel = select i1 %trunc, i32 63, i32 -12
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store i32 %sel, i32 addrspace(1)* %out
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ret void
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}
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; SI-LABEL: {{^}}v_trunc_i64_to_i1:
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; SI: buffer_load_dwordx2 v{{\[}}[[VLO:[0-9]+]]:{{[0-9]+\]}}
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; SI: v_and_b32_e32 [[MASKED:v[0-9]+]], 1, v[[VLO]]
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; SI: v_cmp_eq_i32_e32 vcc, 1, [[MASKED]]
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; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, vcc
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define void @v_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 addrspace(1)* %in) {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%x = load i64, i64 addrspace(1)* %gep
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%trunc = trunc i64 %x to i1
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%sel = select i1 %trunc, i32 63, i32 -12
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store i32 %sel, i32 addrspace(1)* %out.gep
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ret void
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}
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