mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
fd55bcd060
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227214 91177308-0d34-0410-b5e6-96231b3b80d8
443 lines
15 KiB
LLVM
443 lines
15 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood -show-mc-encoding -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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declare i32 @llvm.AMDGPU.bfe.i32(i32, i32, i32) nounwind readnone
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; FUNC-LABEL: {{^}}bfe_i32_arg_arg_arg:
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; SI: v_bfe_i32
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; EG: BFE_INT
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; EG: encoding: [{{[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+,[x0-9a-f]+}},0xac
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define void @bfe_i32_arg_arg_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 %src1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_arg_arg_imm:
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; SI: v_bfe_i32
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; EG: BFE_INT
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define void @bfe_i32_arg_arg_imm(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 123) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_arg_imm_arg:
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; SI: v_bfe_i32
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; EG: BFE_INT
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define void @bfe_i32_arg_imm_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src2) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 123, i32 %src2) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_imm_arg_arg:
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; SI: v_bfe_i32
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; EG: BFE_INT
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define void @bfe_i32_imm_arg_arg(i32 addrspace(1)* %out, i32 %src1, i32 %src2) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 123, i32 %src1, i32 %src2) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}v_bfe_print_arg:
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; SI: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 2, 8
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define void @v_bfe_print_arg(i32 addrspace(1)* %out, i32 addrspace(1)* %src0) nounwind {
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%load = load i32 addrspace(1)* %src0, align 4
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %load, i32 2, i32 8) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_arg_0_width_reg_offset:
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_arg_0_width_reg_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
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%bfe_u32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 %src1, i32 0) nounwind readnone
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store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_arg_0_width_imm_offset:
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_arg_0_width_imm_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) nounwind {
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%bfe_u32 = call i32 @llvm.AMDGPU.bfe.i32(i32 %src0, i32 8, i32 0) nounwind readnone
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store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_6:
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; SI: v_lshlrev_b32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
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; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; SI: s_endpgm
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define void @bfe_i32_test_6(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 1, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_7:
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; SI-NOT: shl
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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define void @bfe_i32_test_7(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 0, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FIXME: The shifts should be 1 BFE
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; FUNC-LABEL: {{^}}bfe_i32_test_8:
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; SI: buffer_load_dword
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; SI: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 1
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; SI: s_endpgm
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define void @bfe_i32_test_8(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_9:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_9(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_10:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_10(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 1, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_11:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 8, v{{[0-9]+}}
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_11(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 8, i32 24)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_12:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 24, v{{[0-9]+}}
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_12(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %x, i32 24, i32 8)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_13:
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; SI: v_ashrrev_i32_e32 {{v[0-9]+}}, 31, {{v[0-9]+}}
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_13(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%shl = ashr i32 %x, 31
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_test_14:
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; SI-NOT: lshr
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; SI-NOT: {{[^@]}}bfe
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; SI: s_endpgm
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define void @bfe_i32_test_14(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%x = load i32 addrspace(1)* %in, align 4
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%shl = lshr i32 %x, 31
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%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_0:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_0(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 0, i32 0, i32 0) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_1:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_1(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 12334, i32 0, i32 0) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_2:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_2(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 0, i32 0, i32 1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_3:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_3(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 1, i32 0, i32 1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_4:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_4(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 4294967295, i32 0, i32 1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_5:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_5(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 128, i32 7, i32 1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_6:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0xffffff80
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_6(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 128, i32 0, i32 8) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_7:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0x7f
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_7(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 127, i32 0, i32 8) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_8:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 1
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_8(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 127, i32 6, i32 8) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_9:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 1
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_9(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 65536, i32 16, i32 8) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_10:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_10(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 65535, i32 16, i32 16) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_11:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], -6
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_11(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 4, i32 4) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}bfe_i32_constant_fold_test_12:
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; SI-NOT: {{[^@]}}bfe
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; SI: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; SI: buffer_store_dword [[VREG]],
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; SI: s_endpgm
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; EG-NOT: BFE
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define void @bfe_i32_constant_fold_test_12(i32 addrspace(1)* %out) nounwind {
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%bfe_i32 = call i32 @llvm.AMDGPU.bfe.i32(i32 160, i32 31, i32 1) nounwind readnone
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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|
|
; 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
|
|
}
|
|
|
|
; 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
|
|
}
|
|
|
|
; FUNC-LABEL: @simplify_demanded_bfe_sdiv
|
|
; SI: buffer_load_dword [[LOAD:v[0-9]+]]
|
|
; SI: v_bfe_i32 [[BFE:v[0-9]+]], [[LOAD]], 1, 16
|
|
; SI: v_lshrrev_b32_e32 [[TMP0:v[0-9]+]], 31, [[BFE]]
|
|
; SI: v_add_i32_e32 [[TMP1:v[0-9]+]], [[TMP0]], [[BFE]]
|
|
; SI: v_ashrrev_i32_e32 [[TMP2:v[0-9]+]], 1, [[TMP1]]
|
|
; SI: buffer_store_dword [[TMP2]]
|
|
define void @simplify_demanded_bfe_sdiv(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
|
|
%src = load i32 addrspace(1)* %in, align 4
|
|
%bfe = call i32 @llvm.AMDGPU.bfe.i32(i32 %src, i32 1, i32 16) nounwind readnone
|
|
%div = sdiv i32 %bfe, 2
|
|
store i32 %div, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|