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llvm-6502/test/CodeGen/R600/llvm.AMDGPU.bfe.i32.ll

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R600: Add BFE, BFI, and BFM intrinsics to help with writing tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205236 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-31 18:21:18 +00:00
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
R600: Correct opcode for BFE_INT Acording to AMD documentation, the correct opcode for BFE_INT is 0x5, not 0x4 Fixes Arithm/Absdiff.Mat/3 OpenCV test Patch by: Bruno Jiménez git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205562 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-03 20:19:29 +00:00
; RUN: llc -march=r600 -mcpu=redwood -show-mc-encoding -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
R600: Add BFE, BFI, and BFM intrinsics to help with writing tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205236 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-31 18:21:18 +00:00
declare i32 @llvm.AMDGPU.bfe.i32(i32, i32, i32) nounwind readnone
; FUNC-LABEL: @bfe_i32_arg_arg_arg
; SI: V_BFE_I32
; EG: BFE_INT
R600: Correct opcode for BFE_INT Acording to AMD documentation, the correct opcode for BFE_INT is 0x5, not 0x4 Fixes Arithm/Absdiff.Mat/3 OpenCV test Patch by: Bruno Jiménez git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205562 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-03 20:19:29 +00:00
; EG: encoding: [{{[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+}},0xac
R600: Add BFE, BFI, and BFM intrinsics to help with writing tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205236 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-31 18:21:18 +00:00
define void @bfe_i32_arg_arg_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 %src1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_arg_arg_imm
; SI: V_BFE_I32
; EG: BFE_INT
define void @bfe_i32_arg_arg_imm(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 123) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_arg_imm_arg
; SI: V_BFE_I32
; EG: BFE_INT
define void @bfe_i32_arg_imm_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src2) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 123, i32 %src2) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_imm_arg_arg
; SI: V_BFE_I32
; EG: BFE_INT
define void @bfe_i32_imm_arg_arg(i32 addrspace(1)* %out, i32 %src1, i32 %src2) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 123, i32 %src1, i32 %src2) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
R600/SI: Try to fix BFE operands when moving to VALU This was broken by r208479 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208740 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-13 23:45:50 +00:00
; FUNC-LABEL: @v_bfe_print_arg
; SI: V_BFE_I32 v{{[0-9]+}}, v{{[0-9]+}}, 2, 8
define void @v_bfe_print_arg(i32 addrspace(1)* %out, i32 addrspace(1)* %src0) nounwind {
%load = load i32 addrspace(1)* %src0, align 4
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %load, i32 2, i32 8) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
R600: Add dag combine for BFE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209461 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-22 18:09:07 +00:00
; FUNC-LABEL: @bfe_i32_arg_0_width_reg_offset
; SI-NOT: BFE
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_arg_0_width_reg_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
%bfe_u32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 0) nounwind readnone
store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_arg_0_width_imm_offset
; SI-NOT: BFE
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_arg_0_width_imm_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
%bfe_u32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 8, i32 0) nounwind readnone
store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
ret void
}
R600: Try to convert BFE back to standard bit ops when possible. This allows existing DAG combines to work on them, and then we can re-match to BFE if necessary during instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209462 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-22 18:09:12 +00:00
; FUNC-LABEL: @bfe_i32_test_6
; SI: V_LSHLREV_B32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
; SI: S_ENDPGM
define void @bfe_i32_test_6(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%shl = shl i32 %x, 31
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 1, i32 31)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_7
; SI-NOT: SHL
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
define void @bfe_i32_test_7(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%shl = shl i32 %x, 31
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 0, i32 31)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FIXME: The shifts should be 1 BFE
; FUNC-LABEL: @bfe_i32_test_8
; SI: BUFFER_LOAD_DWORD
; SI: V_BFE_I32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 1
; SI: S_ENDPGM
define void @bfe_i32_test_8(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%shl = shl i32 %x, 31
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_9
; SI-NOT: BFE
; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_9(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 31, i32 1)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_10
; SI-NOT: BFE
; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_10(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 1, i32 31)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_11
; SI-NOT: BFE
; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 8, v{{[0-9]+}}
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_11(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 8, i32 24)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_12
; SI-NOT: BFE
; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 24, v{{[0-9]+}}
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_12(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 24, i32 8)
store i32 %bfe, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_test_13
; SI: V_ASHRREV_I32_e32 {{v[0-9]+}}, 31, {{v[0-9]+}}
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_13(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%shl = ashr i32 %x, 31
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
}
; FUNC-LABEL: @bfe_i32_test_14
; SI-NOT: LSHR
; SI-NOT: BFE
; SI: S_ENDPGM
define void @bfe_i32_test_14(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%shl = lshr i32 %x, 31
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
}
R600: Add dag combine for BFE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209461 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-22 18:09:07 +00:00
; FUNC-LABEL: @bfe_i32_constant_fold_test_0
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_0(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 0, i32 0, i32 0) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_1
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_1(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 12334, i32 0, i32 0) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_2
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_2(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 0, i32 0, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_3
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], -1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_3(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 1, i32 0, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_4
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], -1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_4(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 4294967295, i32 0, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_5
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], -1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_5(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 128, i32 7, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_6
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0xffffff80
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_6(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 128, i32 0, i32 8) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_7
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0x7f
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_7(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 127, i32 0, i32 8) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_8
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_8(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 127, i32 6, i32 8) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_9
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_9(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 65536, i32 16, i32 8) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_10
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_10(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 65535, i32 16, i32 16) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_11
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], -6
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_11(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 4, i32 4) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_12
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_12(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 31, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_13
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_13(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 131070, i32 16, i32 16) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_14
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 40
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_14(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 2, i32 30) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_15
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 10
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_15(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 4, i32 28) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_16
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], -1
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_16(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 4294967295, i32 1, i32 7) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_17
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0x7f
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_17(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 255, i32 1, i32 31) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bfe_i32_constant_fold_test_18
; SI-NOT: BFE
; SI: V_MOV_B32_e32 [[VREG:v[0-9]+]], 0
; SI: BUFFER_STORE_DWORD [[VREG]],
; SI: S_ENDPGM
; EG-NOT: BFE
define void @bfe_i32_constant_fold_test_18(i32 addrspace(1)* %out) nounwind {
%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 255, i32 31, i32 1) nounwind readnone
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
ret void
}
R600: Try to convert BFE back to standard bit ops when possible. This allows existing DAG combines to work on them, and then we can re-match to BFE if necessary during instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209462 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-22 18:09:12 +00:00
; XXX - This should really be a single BFE, but the sext_inreg of the
; extended type i24 is never custom lowered.
; FUNC-LABEL: @bfe_sext_in_reg_i24
; SI: BUFFER_LOAD_DWORD [[LOAD:v[0-9]+]],
; SI: V_LSHLREV_B32_e32 {{v[0-9]+}}, 8, {{v[0-9]+}}
; SI: V_ASHRREV_I32_e32 {{v[0-9]+}}, 8, {{v[0-9]+}}
; XSI: V_BFE_I32 [[BFE:v[0-9]+]], [[LOAD]], 0, 8
; XSI-NOT: SHL
; XSI-NOT: SHR
; XSI: BUFFER_STORE_DWORD [[BFE]],
define void @bfe_sext_in_reg_i24(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%x = load i32 addrspace(1)* %in, align 4
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 0, i32 24)
%shl = shl i32 %bfe, 8
%ashr = ashr i32 %shl, 8
store i32 %ashr, i32 addrspace(1)* %out, align 4
ret void
}
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