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[AMDGPU] Fix an issue that wrong index is used in calculation of byte…
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… provider when the op is extract_vector_elt
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@shiltian
shiltian committed May 12, 2024
1 parent f42117c commit bb779e6
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Showing 4 changed files with 153 additions and 29 deletions.
8 changes: 2 additions & 6 deletions llvm/lib/Target/AMDGPU/SIISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -12070,12 +12070,8 @@ calculateByteProvider(const SDValue &Op, unsigned Index, unsigned Depth,
return std::nullopt;
auto VecIdx = IdxOp->getZExtValue();
auto ScalarSize = Op.getScalarValueSizeInBits();
if (ScalarSize != 32) {
Index = ScalarSize == 8 ? VecIdx : VecIdx * 2 + Index;
}

return calculateSrcByte(ScalarSize == 32 ? Op : Op.getOperand(0),
StartingIndex, Index);
return calculateSrcByte(Op.getOperand(0), StartingIndex,
ScalarSize / 8 * VecIdx + Index);
}

case AMDGPUISD::PERM: {
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32 changes: 20 additions & 12 deletions llvm/test/CodeGen/AMDGPU/insert_vector_elt.v2i16.ll
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Expand Up @@ -2706,25 +2706,33 @@ define amdgpu_kernel void @v_insertelement_v16i16_6(ptr addrspace(1) %out, ptr a
; VI-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
; VI-NEXT: s_load_dword s4, s[4:5], 0x10
; VI-NEXT: v_lshlrev_b32_e32 v8, 5, v0
; VI-NEXT: v_mov_b32_e32 v12, 0x3020504
; VI-NEXT: v_mov_b32_e32 v10, 0x3020504
; VI-NEXT: s_waitcnt lgkmcnt(0)
; VI-NEXT: v_mov_b32_e32 v1, s3
; VI-NEXT: v_add_u32_e32 v0, vcc, s2, v8
; VI-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
; VI-NEXT: v_add_u32_e32 v4, vcc, 16, v0
; VI-NEXT: v_addc_u32_e32 v5, vcc, 0, v1, vcc
; VI-NEXT: flat_load_dwordx4 v[0:3], v[0:1]
; VI-NEXT: v_mov_b32_e32 v0, s3
; VI-NEXT: v_add_u32_e32 v4, vcc, s2, v8
; VI-NEXT: v_addc_u32_e32 v5, vcc, 0, v0, vcc
; VI-NEXT: flat_load_dwordx4 v[0:3], v[4:5]
; VI-NEXT: v_add_u32_e32 v4, vcc, 16, v4
; VI-NEXT: v_addc_u32_e32 v5, vcc, 0, v5, vcc
; VI-NEXT: flat_load_dwordx4 v[4:7], v[4:5]
; VI-NEXT: s_mov_b32 s2, 0x3020504
; VI-NEXT: v_mov_b32_e32 v9, s1
; VI-NEXT: v_add_u32_e32 v8, vcc, s0, v8
; VI-NEXT: v_addc_u32_e32 v9, vcc, 0, v9, vcc
; VI-NEXT: v_add_u32_e32 v10, vcc, 16, v8
; VI-NEXT: v_addc_u32_e32 v11, vcc, 0, v9, vcc
; VI-NEXT: s_waitcnt vmcnt(1)
; VI-NEXT: v_perm_b32 v3, s4, v3, v12
; VI-NEXT: s_waitcnt vmcnt(0)
; VI-NEXT: flat_store_dwordx4 v[10:11], v[4:7]
; VI-NEXT: v_perm_b32 v3, s4, v3, v10
; VI-NEXT: v_perm_b32 v2, v2, v2, s2
; VI-NEXT: v_perm_b32 v1, v1, v1, s2
; VI-NEXT: v_perm_b32 v0, v0, v0, s2
; VI-NEXT: flat_store_dwordx4 v[8:9], v[0:3]
; VI-NEXT: s_waitcnt vmcnt(1)
; VI-NEXT: v_perm_b32 v7, v7, v7, s2
; VI-NEXT: v_add_u32_e32 v0, vcc, 16, v8
; VI-NEXT: v_perm_b32 v6, v6, v6, s2
; VI-NEXT: v_perm_b32 v5, v5, v5, s2
; VI-NEXT: v_perm_b32 v4, v4, v4, s2
; VI-NEXT: v_addc_u32_e32 v1, vcc, 0, v9, vcc
; VI-NEXT: flat_store_dwordx4 v[0:1], v[4:7]
; VI-NEXT: s_endpgm
;
; CI-LABEL: v_insertelement_v16i16_6:
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117 changes: 117 additions & 0 deletions llvm/test/CodeGen/AMDGPU/match-perm-extract-vector-elt-bug.ll
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@@ -0,0 +1,117 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GFX9 %s
; RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 < %s | FileCheck -check-prefix=GFX11 %s

define amdgpu_kernel void @test(ptr addrspace(1) %src, ptr addrspace(1) %dst) {
; GFX9-LABEL: test:
; GFX9: ; %bb.0: ; %entry
; GFX9-NEXT: s_load_dword s7, s[4:5], 0x1c
; GFX9-NEXT: s_load_dword s8, s[4:5], 0x38
; GFX9-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
; GFX9-NEXT: s_waitcnt lgkmcnt(0)
; GFX9-NEXT: s_and_b32 s4, s7, 0xffff
; GFX9-NEXT: s_mul_i32 s6, s6, s4
; GFX9-NEXT: s_add_i32 s8, s8, s6
; GFX9-NEXT: v_add_u32_e32 v0, s8, v0
; GFX9-NEXT: v_ashrrev_i32_e32 v1, 31, v0
; GFX9-NEXT: v_lshlrev_b64 v[4:5], 4, v[0:1]
; GFX9-NEXT: v_mov_b32_e32 v1, s1
; GFX9-NEXT: v_add_co_u32_e32 v0, vcc, s0, v4
; GFX9-NEXT: v_addc_co_u32_e32 v1, vcc, v1, v5, vcc
; GFX9-NEXT: global_load_dwordx4 v[0:3], v[0:1], off
; GFX9-NEXT: s_mov_b32 s0, 0x3020504
; GFX9-NEXT: v_mov_b32_e32 v6, s3
; GFX9-NEXT: v_add_co_u32_e32 v4, vcc, s2, v4
; GFX9-NEXT: v_addc_co_u32_e32 v5, vcc, v6, v5, vcc
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: v_perm_b32 v2, v2, v2, s0
; GFX9-NEXT: v_perm_b32 v0, v0, v0, s0
; GFX9-NEXT: v_not_b32_e32 v3, v3
; GFX9-NEXT: v_not_b32_e32 v1, v1
; GFX9-NEXT: v_not_b32_e32 v2, v2
; GFX9-NEXT: v_not_b32_e32 v0, v0
; GFX9-NEXT: global_store_dwordx4 v[4:5], v[0:3], off
; GFX9-NEXT: s_endpgm
;
; GFX10-LABEL: test:
; GFX10: ; %bb.0: ; %entry
; GFX10-NEXT: s_clause 0x2
; GFX10-NEXT: s_load_dword s7, s[4:5], 0x1c
; GFX10-NEXT: s_load_dword s8, s[4:5], 0x38
; GFX10-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
; GFX10-NEXT: s_waitcnt lgkmcnt(0)
; GFX10-NEXT: s_and_b32 s4, s7, 0xffff
; GFX10-NEXT: s_mul_i32 s6, s6, s4
; GFX10-NEXT: v_add3_u32 v0, s8, s6, v0
; GFX10-NEXT: v_ashrrev_i32_e32 v1, 31, v0
; GFX10-NEXT: v_lshlrev_b64 v[4:5], 4, v[0:1]
; GFX10-NEXT: v_add_co_u32 v0, vcc_lo, s0, v4
; GFX10-NEXT: v_add_co_ci_u32_e32 v1, vcc_lo, s1, v5, vcc_lo
; GFX10-NEXT: v_add_co_u32 v4, vcc_lo, s2, v4
; GFX10-NEXT: v_add_co_ci_u32_e32 v5, vcc_lo, s3, v5, vcc_lo
; GFX10-NEXT: global_load_dwordx4 v[0:3], v[0:1], off
; GFX10-NEXT: s_waitcnt vmcnt(0)
; GFX10-NEXT: v_perm_b32 v2, v2, v2, 0x3020504
; GFX10-NEXT: v_perm_b32 v0, v0, v0, 0x3020504
; GFX10-NEXT: v_not_b32_e32 v3, v3
; GFX10-NEXT: v_not_b32_e32 v1, v1
; GFX10-NEXT: v_not_b32_e32 v2, v2
; GFX10-NEXT: v_not_b32_e32 v0, v0
; GFX10-NEXT: global_store_dwordx4 v[4:5], v[0:3], off
; GFX10-NEXT: s_endpgm
;
; GFX11-LABEL: test:
; GFX11: ; %bb.0: ; %entry
; GFX11-NEXT: s_clause 0x2
; GFX11-NEXT: s_load_b32 s4, s[0:1], 0x1c
; GFX11-NEXT: s_load_b32 s5, s[0:1], 0x38
; GFX11-NEXT: s_load_b128 s[0:3], s[0:1], 0x0
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
; GFX11-NEXT: s_and_b32 s4, s4, 0xffff
; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
; GFX11-NEXT: s_mul_i32 s15, s15, s4
; GFX11-NEXT: v_add3_u32 v0, s5, s15, v0
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
; GFX11-NEXT: v_ashrrev_i32_e32 v1, 31, v0
; GFX11-NEXT: v_lshlrev_b64 v[4:5], 4, v[0:1]
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_2)
; GFX11-NEXT: v_add_co_u32 v0, vcc_lo, s0, v4
; GFX11-NEXT: v_add_co_ci_u32_e32 v1, vcc_lo, s1, v5, vcc_lo
; GFX11-NEXT: v_add_co_u32 v4, vcc_lo, s2, v4
; GFX11-NEXT: v_add_co_ci_u32_e32 v5, vcc_lo, s3, v5, vcc_lo
; GFX11-NEXT: global_load_b128 v[0:3], v[0:1], off
; GFX11-NEXT: s_waitcnt vmcnt(0)
; GFX11-NEXT: v_perm_b32 v2, v2, v2, 0x3020504
; GFX11-NEXT: v_perm_b32 v0, v0, v0, 0x3020504
; GFX11-NEXT: v_not_b32_e32 v3, v3
; GFX11-NEXT: v_not_b32_e32 v1, v1
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_4) | instskip(NEXT) | instid1(VALU_DEP_4)
; GFX11-NEXT: v_not_b32_e32 v2, v2
; GFX11-NEXT: v_not_b32_e32 v0, v0
; GFX11-NEXT: global_store_b128 v[4:5], v[0:3], off
; GFX11-NEXT: s_nop 0
; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
; GFX11-NEXT: s_endpgm
entry:
%implicitarg.ptr = tail call ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr()
%arg.1.ptr = getelementptr inbounds i8, ptr addrspace(4) %implicitarg.ptr, i64 40
%arg.1 = load i64, ptr addrspace(4) %arg.1.ptr, align 8
%workgroup.id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%arg.2.ptr = getelementptr inbounds i8, ptr addrspace(4) %implicitarg.ptr, i64 12
%arg.2 = load i16, ptr addrspace(4) %arg.2.ptr, align 4
%arg.2.ext = zext i16 %arg.2 to i32
%mul = mul i32 %workgroup.id.x, %arg.2.ext
%workitem.id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%add = add i32 %mul, %workitem.id.x
%add.ext = zext i32 %add to i64
%add.1 = add i64 %arg.1, %add.ext
%sext = shl i64 %add.1, 32
%idxprom = ashr exact i64 %sext, 32
%arrayidx = getelementptr inbounds <16 x i8>, ptr addrspace(1) %src, i64 %idxprom
%arrayval = load <16 x i8>, ptr addrspace(1) %arrayidx, align 16
%not = xor <16 x i8> %arrayval, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
%arrayidx2 = getelementptr inbounds <16 x i8>, ptr addrspace(1) %dst, i64 %idxprom
store <16 x i8> %not, ptr addrspace(1) %arrayidx2, align 16
ret void
}
25 changes: 14 additions & 11 deletions llvm/test/CodeGen/AMDGPU/permute_i8.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -3816,28 +3816,31 @@ define hidden void @extract_v13i64(ptr addrspace(1) %in0, ptr addrspace(1) %in1,
; GFX10-LABEL: extract_v13i64:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_clause 0x1
; GFX10-NEXT: global_load_dwordx4 v[8:11], v[0:1], off
; GFX10-NEXT: global_load_dwordx4 v[12:15], v[0:1], off offset:16
; GFX10-NEXT: s_clause 0x2
; GFX10-NEXT: global_load_dwordx4 v[8:11], v[0:1], off offset:48
; GFX10-NEXT: global_load_dwordx4 v[11:14], v[0:1], off
; GFX10-NEXT: global_load_dwordx4 v[14:17], v[0:1], off offset:64
; GFX10-NEXT: ; kill: killed $vgpr0 killed $vgpr1
; GFX10-NEXT: s_waitcnt vmcnt(1)
; GFX10-NEXT: v_perm_b32 v0, v9, v8, 0x3020504
; GFX10-NEXT: v_perm_b32 v0, v12, v13, 0x1000504
; GFX10-NEXT: s_waitcnt vmcnt(0)
; GFX10-NEXT: v_perm_b32 v1, v11, v12, 0x1000706
; GFX10-NEXT: v_perm_b32 v1, v10, v14, 0x1000504
; GFX10-NEXT: global_store_dword v[4:5], v0, off
; GFX10-NEXT: global_store_dword v[6:7], v1, off
; GFX10-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: extract_v13i64:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: global_load_dwordx4 v[8:11], v[0:1], off
; GFX9-NEXT: global_load_dwordx4 v[12:15], v[0:1], off offset:16
; GFX9-NEXT: s_mov_b32 s4, 0x3020504
; GFX9-NEXT: s_mov_b32 s5, 0x1000706
; GFX9-NEXT: global_load_dwordx4 v[8:11], v[0:1], off offset:48
; GFX9-NEXT: global_load_dwordx4 v[11:14], v[0:1], off
; GFX9-NEXT: global_load_dwordx4 v[14:17], v[0:1], off offset:64
; GFX9-NEXT: s_mov_b32 s4, 0x1000504
; GFX9-NEXT: ; kill: killed $vgpr0 killed $vgpr1
; GFX9-NEXT: s_waitcnt vmcnt(1)
; GFX9-NEXT: v_perm_b32 v0, v9, v8, s4
; GFX9-NEXT: v_perm_b32 v0, v12, v13, s4
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: v_perm_b32 v1, v11, v12, s5
; GFX9-NEXT: v_perm_b32 v1, v10, v14, s4
; GFX9-NEXT: global_store_dword v[4:5], v0, off
; GFX9-NEXT: global_store_dword v[6:7], v1, off
; GFX9-NEXT: s_waitcnt vmcnt(0)
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