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llvm-mirror/test/CodeGen/AMDGPU/shift-and-i64-ubfe.ll
Nirav Dave 6d5f31ab18 [DAGCombine] Prune unnused nodes. 
Summary:
Nodes that have no uses are eventually pruned when they are selected
from the worklist. Record nodes newly added to the worklist or DAG and
perform pruning after every combine attempt.

Reviewers: efriedma, RKSimon, craig.topper, spatel, jyknight

Reviewed By: jyknight

Subscribers: jdoerfert, jyknight, nemanjai, jvesely, nhaehnle, javed.absar, hiraditya, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D58070

llvm-svn: 357283
2019-03-29 17:35:56 +00:00

399 lines
18 KiB
LLVM
Raw Blame History

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; FIXME: Fails with -enable-var-scope
; Make sure 64-bit BFE pattern does a 32-bit BFE on the relevant half.
; Extract the high bit of the low half
; GCN-LABEL: {{^}}v_uextract_bit_31_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_lshrrev_b32_e32 v[[SHIFT:[0-9]+]], 31, [[VAL]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[SHIFT]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_31_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 31
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; Extract the high bit of the high half
; GCN-LABEL: {{^}}v_uextract_bit_63_i64:
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_lshrrev_b32_e32 v[[SHIFT:[0-9]+]], 31, [[VAL]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[SHIFT]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_63_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 63
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_1_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 1
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_1_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 1
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_20_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 20, 1
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_20_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 20
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_32_i64:
; GCN-DAG: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_and_b32_e32 v[[AND:[0-9]+]], 1, [[VAL]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[AND]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_32_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 32
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_33_i64:
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 1{{$}}
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_33_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 33
%bit = and i64 %srl, 1
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_20_21_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 20, 2
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_20_21_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 20
%bit = and i64 %srl, 3
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_1_30_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 30
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_1_30_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 1
%bit = and i64 %srl, 1073741823
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_1_31_i64:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_lshrrev_b32_e32 v[[SHIFT:[0-9]+]], 1, [[VAL]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[SHIFT]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_1_31_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 1
%bit = and i64 %srl, 2147483647
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; Spans the dword boundary, so requires full shift.
; Truncated after the shift, so only low shift result is used.
; GCN-LABEL: {{^}}v_uextract_bit_31_32_i64:
; GCN: buffer_load_dwordx2 v{{\[}}[[VALLO:[0-9]+]]:[[VALHI:[0-9]+]]{{\]}}
; GCN: v_alignbit_b32 v[[SHRLO:[0-9]+]], v[[VALHI]], v[[VALLO]], 31
; GCN-DAG: v_and_b32_e32 v[[AND:[0-9]+]], 3, v[[SHRLO]]{{$}}
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[AND]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_31_32_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workgroup.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 31
%bit = and i64 %srl, 3
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_32_33_i64:
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 2
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_32_33_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 33
%bit = and i64 %srl, 3
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_30_60_i64:
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dwordx2 v{{\[}}[[VALLO:[0-9]+]]:[[VALHI:[0-9]+]]{{\]}}
; GCN: v_alignbit_b32 v[[SHRLO:[0-9]+]], v[[VALHI]], v[[VALLO]], 30
; GCN-DAG: v_and_b32_e32 v[[AND:[0-9]+]], 0x3fffffff, v[[SHRLO]]{{$}}
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[AND]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_30_60_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 30
%bit = and i64 %srl, 1073741823
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_33_63_i64:
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 30
; GCN-DAG: v_mov_b32_e32 v[[ZERO1:[0-9]+]], v[[ZERO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO1]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_33_63_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 33
%bit = and i64 %srl, 1073741823
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_31_63_i64:
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_load_dwordx2 v{{\[}}[[VALLO:[0-9]+]]:[[VALHI:[0-9]+]]{{\]}}
; GCN: v_alignbit_b32 v[[SHRLO:[0-9]+]], v[[VALHI]], v[[VALLO]], 31
; GCN: buffer_store_dwordx2 v{{\[}}[[SHRLO]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_31_63_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 31
%and = and i64 %srl, 4294967295
store i64 %and, i64 addrspace(1)* %out
ret void
}
; trunc applied before and mask
; GCN-LABEL: {{^}}v_uextract_bit_31_i64_trunc_i32:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN-DAG: v_lshrrev_b32_e32 v[[SHIFT:[0-9]+]], 31, [[VAL]]
; GCN: buffer_store_dword v[[SHIFT]]
define amdgpu_kernel void @v_uextract_bit_31_i64_trunc_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 31
%trunc = trunc i64 %srl to i32
%bit = and i32 %trunc, 1
store i32 %bit, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_3_i64_trunc_i32:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; GCN: v_bfe_u32 [[BFE:v[0-9]+]], [[VAL]], 3, 1{{$}}
; GCN: buffer_store_dword [[BFE]]
define amdgpu_kernel void @v_uextract_bit_3_i64_trunc_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 3
%trunc = trunc i64 %srl to i32
%bit = and i32 %trunc, 1
store i32 %bit, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_33_i64_trunc_i32:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN: v_bfe_u32 [[BFE:v[0-9]+]], [[VAL]], 1, 1{{$}}
; GCN: buffer_store_dword [[BFE]]
define amdgpu_kernel void @v_uextract_bit_33_i64_trunc_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 33
%trunc = trunc i64 %srl to i32
%bit = and i32 %trunc, 1
store i32 %bit, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_31_32_i64_trunc_i32:
; GCN: buffer_load_dwordx2 v{{\[}}[[VALLO:[0-9]+]]:[[VALHI:[0-9]+]]{{\]}}
; GCN: v_alignbit_b32 v[[SHRLO:[0-9]+]], v[[VALHI]], v[[VALLO]], 31
; GCN-NEXT: v_and_b32_e32 v[[SHRLO]], 3, v[[SHRLO]]
; GCN-NOT: v[[SHRLO]]
; GCN: buffer_store_dword v[[SHRLO]]
define amdgpu_kernel void @v_uextract_bit_31_32_i64_trunc_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 31
%trunc = trunc i64 %srl to i32
%bit = and i32 %trunc, 3
store i32 %bit, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}and_not_mask_i64:
; GCN-DAG: buffer_load_dword v[[VAL:[0-9]+]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 v[[SHRHI:[0-9]+]], v[[ZERO]]{{$}}
; GCN: v_lshrrev_b32_e32 [[SHR:v[0-9]+]], 20, v[[VAL]]
; GCN-DAG: v_and_b32_e32 v[[SHRLO:[0-9]+]], 4, [[SHR]]
; GCN-NOT: v[[SHRLO]]
; GCN-NOT: v[[SHRHI]]
; GCN: buffer_store_dwordx2 v{{\[}}[[SHRLO]]:[[SHRHI]]{{\]}}
define amdgpu_kernel void @and_not_mask_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 20
%bit = and i64 %srl, 4
store i64 %bit, i64 addrspace(1)* %out.gep
ret void
}
; The instruction count is the same with/without hasOneUse, but
; keeping the 32-bit and has a smaller encoding size than the bfe.
; GCN-LABEL: {{^}}v_uextract_bit_27_29_multi_use_shift_i64:
; GCN-DAG: buffer_load_dwordx2 [[VAL:v\[[0-9]+:[0-9]+\]]]
; GCN-DAG: v_lshr_b64 v{{\[}}[[SHRLO:[0-9]+]]:[[SHRHI:[0-9]+]]{{\]}}, [[VAL]], 27
; GCN-DAG: v_and_b32_e32 v[[AND:[0-9]+]], 3, v[[SHRLO]]
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[SHRLO]]:[[SHRHI]]{{\]}}
; GCN: buffer_store_dwordx2 v{{\[}}[[AND]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_27_29_multi_use_shift_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 27
%bit = and i64 %srl, 3
store volatile i64 %srl, i64 addrspace(1)* %out
store volatile i64 %bit, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_34_37_multi_use_shift_i64:
; GCN-DAG: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_mov_b32_e32 v[[ZERO_SHR:[0-9]+]], 0{{$}}
; GCN: v_mov_b32_e32 v[[ZERO_BFE:[0-9]+]], v[[ZERO_SHR]]
; GCN-DAG: v_lshrrev_b32_e32 v[[SHR:[0-9]+]], 2, [[VAL]]
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 2, 3
; GCN-DAG: buffer_store_dwordx2 v{{\[}}[[SHR]]:[[ZERO_SHR]]{{\]}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO_BFE]]{{\]}}
define amdgpu_kernel void @v_uextract_bit_34_37_multi_use_shift_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out.gep = getelementptr i64, i64 addrspace(1)* %out, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 34
%bit = and i64 %srl, 7
store volatile i64 %srl, i64 addrspace(1)* %out
store volatile i64 %bit, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_uextract_bit_33_36_use_upper_half_shift_i64:
; GCN-DAG: buffer_load_dword [[VAL:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
; GCN-DAG: v_bfe_u32 v[[BFE:[0-9]+]], [[VAL]], 1, 3
; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:{{[0-9]+\]}}
; GCN: buffer_store_dword v[[ZERO]]
define amdgpu_kernel void @v_uextract_bit_33_36_use_upper_half_shift_i64(i64 addrspace(1)* %out0, i32 addrspace(1)* %out1, i64 addrspace(1)* %in) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in.gep = getelementptr i64, i64 addrspace(1)* %in, i32 %id.x
%out0.gep = getelementptr i64, i64 addrspace(1)* %out0, i32 %id.x
%out1.gep = getelementptr i32, i32 addrspace(1)* %out1, i32 %id.x
%ld.64 = load i64, i64 addrspace(1)* %in.gep
%srl = lshr i64 %ld.64, 33
%bit = and i64 %srl, 7
store volatile i64 %bit, i64 addrspace(1)* %out0.gep
%srl.srl32 = lshr i64 %srl, 32
%srl.hi = trunc i64 %srl.srl32 to i32
store volatile i32 %srl.hi, i32 addrspace(1)* %out1.gep
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #0
declare i32 @llvm.amdgcn.workgroup.id.x() #0
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
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