derek.holloway
7502bf64a4
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180 lines
9.1 KiB
LLVM
180 lines
9.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mcpu=gfx942 -amdgpu-mfma-vgpr-form < %s | FileCheck %s
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target triple = "amdgcn-amd-amdhsa"
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define amdgpu_kernel void @test_rewrite_mfma_copy_to_agpr_phi(ptr addrspace(1) %arg0, ptr addrspace(1) %arg1, i1 %cond) #0 {
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; CHECK-LABEL: test_rewrite_mfma_copy_to_agpr_phi:
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; CHECK: ; %bb.0: ; %bb
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; CHECK-NEXT: s_load_dword s6, s[4:5], 0x10
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; CHECK-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; CHECK-NEXT: v_and_b32_e32 v0, 0x3ff, v0
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; CHECK-NEXT: v_lshlrev_b32_e32 v32, 7, v0
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: s_bitcmp0_b32 s6, 0
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; CHECK-NEXT: s_cbranch_scc0 .LBB0_2
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; CHECK-NEXT: ; %bb.1: ; %else
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; CHECK-NEXT: global_load_dwordx4 a[28:31], v32, s[2:3] offset:112
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; CHECK-NEXT: global_load_dwordx4 a[24:27], v32, s[2:3] offset:96
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; CHECK-NEXT: global_load_dwordx4 a[20:23], v32, s[2:3] offset:80
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; CHECK-NEXT: global_load_dwordx4 a[16:19], v32, s[2:3] offset:64
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; CHECK-NEXT: global_load_dwordx4 a[12:15], v32, s[2:3] offset:48
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; CHECK-NEXT: global_load_dwordx4 a[8:11], v32, s[2:3] offset:32
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; CHECK-NEXT: global_load_dwordx4 a[4:7], v32, s[2:3] offset:16
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; CHECK-NEXT: global_load_dwordx4 a[0:3], v32, s[2:3]
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; CHECK-NEXT: v_mov_b32_e32 v33, 2.0
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; CHECK-NEXT: v_mov_b32_e32 v34, 4.0
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; CHECK-NEXT: s_waitcnt vmcnt(0)
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; CHECK-NEXT: s_nop 0
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; CHECK-NEXT: v_mfma_f32_32x32x1_2b_f32 a[0:31], v33, v34, a[0:31]
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; CHECK-NEXT: ; kill: def $agpr0_agpr1_agpr2_agpr3_agpr4_agpr5_agpr6_agpr7_agpr8_agpr9_agpr10_agpr11_agpr12_agpr13_agpr14_agpr15_agpr16_agpr17_agpr18_agpr19_agpr20_agpr21_agpr22_agpr23_agpr24_agpr25_agpr26_agpr27_agpr28_agpr29_agpr30_agpr31 killed $agpr0_agpr1_agpr2_agpr3_agpr4_agpr5_agpr6_agpr7_agpr8_agpr9_agpr10_agpr11_agpr12_agpr13_agpr14_agpr15_agpr16_agpr17_agpr18_agpr19_agpr20_agpr21_agpr22_agpr23_agpr24_agpr25_agpr26_agpr27_agpr28_agpr29_agpr30_agpr31 killed $exec
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; CHECK-NEXT: s_cbranch_execz .LBB0_3
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; CHECK-NEXT: s_branch .LBB0_4
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; CHECK-NEXT: .LBB0_2:
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; CHECK-NEXT: ; implicit-def: $agpr0_agpr1_agpr2_agpr3_agpr4_agpr5_agpr6_agpr7_agpr8_agpr9_agpr10_agpr11_agpr12_agpr13_agpr14_agpr15_agpr16_agpr17_agpr18_agpr19_agpr20_agpr21_agpr22_agpr23_agpr24_agpr25_agpr26_agpr27_agpr28_agpr29_agpr30_agpr31
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; CHECK-NEXT: .LBB0_3: ; %if
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; CHECK-NEXT: s_nop 15
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; CHECK-NEXT: global_load_dwordx4 a[28:31], v32, s[0:1] offset:112
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; CHECK-NEXT: global_load_dwordx4 a[24:27], v32, s[0:1] offset:96
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; CHECK-NEXT: global_load_dwordx4 a[20:23], v32, s[0:1] offset:80
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; CHECK-NEXT: global_load_dwordx4 a[16:19], v32, s[0:1] offset:64
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; CHECK-NEXT: global_load_dwordx4 a[12:15], v32, s[0:1] offset:48
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; CHECK-NEXT: global_load_dwordx4 a[8:11], v32, s[0:1] offset:32
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; CHECK-NEXT: global_load_dwordx4 a[4:7], v32, s[0:1] offset:16
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; CHECK-NEXT: global_load_dwordx4 a[0:3], v32, s[0:1]
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; CHECK-NEXT: v_mov_b32_e32 v32, 2.0
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; CHECK-NEXT: v_mov_b32_e32 v33, 4.0
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; CHECK-NEXT: s_waitcnt vmcnt(0)
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; CHECK-NEXT: s_nop 0
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; CHECK-NEXT: v_mfma_f32_32x32x1_2b_f32 a[0:31], v32, v33, a[0:31]
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; CHECK-NEXT: ; kill: def $agpr0_agpr1_agpr2_agpr3_agpr4_agpr5_agpr6_agpr7_agpr8_agpr9_agpr10_agpr11_agpr12_agpr13_agpr14_agpr15_agpr16_agpr17_agpr18_agpr19_agpr20_agpr21_agpr22_agpr23_agpr24_agpr25_agpr26_agpr27_agpr28_agpr29_agpr30_agpr31 killed $agpr0_agpr1_agpr2_agpr3_agpr4_agpr5_agpr6_agpr7_agpr8_agpr9_agpr10_agpr11_agpr12_agpr13_agpr14_agpr15_agpr16_agpr17_agpr18_agpr19_agpr20_agpr21_agpr22_agpr23_agpr24_agpr25_agpr26_agpr27_agpr28_agpr29_agpr30_agpr31 killed $exec
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; CHECK-NEXT: .LBB0_4: ; %endif
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; CHECK-NEXT: ;;#ASMSTART
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; CHECK-NEXT: ; use a[0:31]
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; CHECK-NEXT: ;;#ASMEND
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; CHECK-NEXT: s_endpgm
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bb:
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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br i1 %cond, label %if, label %else
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if:
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%gep.0 = getelementptr <32 x float>, ptr addrspace(1) %arg0, i32 %id
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%in.0 = load <32 x float>, ptr addrspace(1) %gep.0, align 128
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%mai.0 = call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 2.0, float 4.0, <32 x float> %in.0, i32 0, i32 0, i32 0)
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br label %endif
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else:
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%gep.1 = getelementptr <32 x float>, ptr addrspace(1) %arg1, i32 %id
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%in.1 = load <32 x float>, ptr addrspace(1) %gep.1, align 128
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%mai.1 = call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 2.0, float 4.0, <32 x float> %in.1, i32 0, i32 0, i32 0)
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br label %endif
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endif:
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%phi = phi <32 x float> [ %mai.0, %if ], [ %mai.1, %else ]
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call void asm sideeffect "; use $0", "a"(<32 x float> %phi)
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ret void
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}
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define amdgpu_kernel void @test_rewrite_mfma_copy_to_agpr_phi_loop(ptr addrspace(1) %arg0, ptr addrspace(1) %arg1, i32 %n) #0 {
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; CHECK-LABEL: test_rewrite_mfma_copy_to_agpr_phi_loop:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: s_load_dwordx2 s[2:3], s[4:5], 0x0
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; CHECK-NEXT: s_load_dword s0, s[4:5], 0x10
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; CHECK-NEXT: v_and_b32_e32 v0, 0x3ff, v0
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; CHECK-NEXT: v_lshlrev_b32_e32 v32, 7, v0
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; CHECK-NEXT: s_mov_b32 s1, 0
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: global_load_dwordx4 v[28:31], v32, s[2:3] offset:112
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; CHECK-NEXT: global_load_dwordx4 v[24:27], v32, s[2:3] offset:96
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; CHECK-NEXT: global_load_dwordx4 v[20:23], v32, s[2:3] offset:80
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; CHECK-NEXT: global_load_dwordx4 v[16:19], v32, s[2:3] offset:64
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; CHECK-NEXT: global_load_dwordx4 v[12:15], v32, s[2:3] offset:48
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; CHECK-NEXT: global_load_dwordx4 v[8:11], v32, s[2:3] offset:32
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; CHECK-NEXT: global_load_dwordx4 v[4:7], v32, s[2:3] offset:16
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; CHECK-NEXT: global_load_dwordx4 v[0:3], v32, s[2:3]
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; CHECK-NEXT: v_mov_b32_e32 v64, 4.0
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; CHECK-NEXT: v_mov_b32_e32 v65, 2.0
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; CHECK-NEXT: .LBB1_1: ; %loop
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; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: s_waitcnt vmcnt(0)
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; CHECK-NEXT: s_nop 15
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; CHECK-NEXT: v_mov_b64_e32 v[62:63], v[30:31]
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; CHECK-NEXT: v_mov_b64_e32 v[60:61], v[28:29]
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; CHECK-NEXT: v_mov_b64_e32 v[58:59], v[26:27]
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; CHECK-NEXT: v_mov_b64_e32 v[56:57], v[24:25]
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; CHECK-NEXT: v_mov_b64_e32 v[54:55], v[22:23]
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; CHECK-NEXT: v_mov_b64_e32 v[52:53], v[20:21]
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; CHECK-NEXT: v_mov_b64_e32 v[50:51], v[18:19]
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; CHECK-NEXT: v_mov_b64_e32 v[48:49], v[16:17]
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; CHECK-NEXT: v_mov_b64_e32 v[46:47], v[14:15]
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; CHECK-NEXT: v_mov_b64_e32 v[44:45], v[12:13]
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; CHECK-NEXT: v_mov_b64_e32 v[42:43], v[10:11]
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; CHECK-NEXT: v_mov_b64_e32 v[40:41], v[8:9]
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; CHECK-NEXT: v_mov_b64_e32 v[38:39], v[6:7]
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; CHECK-NEXT: v_mov_b64_e32 v[36:37], v[4:5]
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; CHECK-NEXT: v_mov_b64_e32 v[34:35], v[2:3]
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; CHECK-NEXT: v_mov_b64_e32 v[32:33], v[0:1]
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; CHECK-NEXT: s_add_i32 s1, s1, 1
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; CHECK-NEXT: s_cmp_lt_u32 s1, s0
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; CHECK-NEXT: v_mfma_f32_32x32x1_2b_f32 v[0:31], v65, v64, v[32:63]
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; CHECK-NEXT: v_mfma_f32_32x32x1_2b_f32 v[0:31], v65, v64, v[0:31]
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; CHECK-NEXT: s_cbranch_scc1 .LBB1_1
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; CHECK-NEXT: ; %bb.2: ; %endif
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; CHECK-NEXT: v_accvgpr_write_b32 a0, v32
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; CHECK-NEXT: v_accvgpr_write_b32 a1, v33
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; CHECK-NEXT: v_accvgpr_write_b32 a2, v34
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; CHECK-NEXT: v_accvgpr_write_b32 a3, v35
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; CHECK-NEXT: v_accvgpr_write_b32 a4, v36
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; CHECK-NEXT: v_accvgpr_write_b32 a5, v37
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; CHECK-NEXT: v_accvgpr_write_b32 a6, v38
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; CHECK-NEXT: v_accvgpr_write_b32 a7, v39
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; CHECK-NEXT: v_accvgpr_write_b32 a8, v40
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; CHECK-NEXT: v_accvgpr_write_b32 a9, v41
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; CHECK-NEXT: v_accvgpr_write_b32 a10, v42
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; CHECK-NEXT: v_accvgpr_write_b32 a11, v43
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; CHECK-NEXT: v_accvgpr_write_b32 a12, v44
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; CHECK-NEXT: v_accvgpr_write_b32 a13, v45
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; CHECK-NEXT: v_accvgpr_write_b32 a14, v46
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; CHECK-NEXT: v_accvgpr_write_b32 a15, v47
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; CHECK-NEXT: v_accvgpr_write_b32 a16, v48
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; CHECK-NEXT: v_accvgpr_write_b32 a17, v49
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; CHECK-NEXT: v_accvgpr_write_b32 a18, v50
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; CHECK-NEXT: v_accvgpr_write_b32 a19, v51
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; CHECK-NEXT: v_accvgpr_write_b32 a20, v52
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; CHECK-NEXT: v_accvgpr_write_b32 a21, v53
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; CHECK-NEXT: v_accvgpr_write_b32 a22, v54
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; CHECK-NEXT: v_accvgpr_write_b32 a23, v55
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; CHECK-NEXT: v_accvgpr_write_b32 a24, v56
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; CHECK-NEXT: v_accvgpr_write_b32 a25, v57
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; CHECK-NEXT: v_accvgpr_write_b32 a26, v58
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; CHECK-NEXT: v_accvgpr_write_b32 a27, v59
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; CHECK-NEXT: v_accvgpr_write_b32 a28, v60
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; CHECK-NEXT: v_accvgpr_write_b32 a29, v61
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; CHECK-NEXT: v_accvgpr_write_b32 a30, v62
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; CHECK-NEXT: v_accvgpr_write_b32 a31, v63
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; CHECK-NEXT: ;;#ASMSTART
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; CHECK-NEXT: ; use a[0:31]
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; CHECK-NEXT: ;;#ASMEND
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; CHECK-NEXT: s_endpgm
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entry:
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%gep.0 = getelementptr <32 x float>, ptr addrspace(1) %arg0, i32 %id
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%in.0 = load <32 x float>, ptr addrspace(1) %gep.0, align 128
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br label %loop
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loop:
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%i.phi = phi i32 [ 0, %entry ], [ %i.inc, %loop ]
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%phi = phi <32 x float> [ %in.0, %entry ], [ %mai.1, %loop ]
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%mai.0 = call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 2.0, float 4.0, <32 x float> %phi, i32 0, i32 0, i32 0)
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%mai.1 = call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 2.0, float 4.0, <32 x float> %mai.0, i32 0, i32 0, i32 0)
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%i.inc = add i32 %i.phi, 1
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%loop.cond = icmp ult i32 %i.inc, %n
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br i1 %loop.cond, label %loop, label %endif
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endif:
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call void asm sideeffect "; use $0", "a"(<32 x float> %phi)
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ret void
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}
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attributes #0 = { nounwind "amdgpu-flat-work-group-size"="1,256" "amdgpu-waves-per-eu"="1,1" }
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