mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-22 10:29:35 +00:00
ec0a7cd15a
Select i1 logical ops directly to 64-bit SALU instructions. Vector i1 values are always really in SGPRs, with each bit for each item in the wave. This saves about 4 instructions when and/or/xoring any condition, and also helps write conditions that need to be passed in vcc. This should work correctly now that the SGPR live range fixing pass works. More work is needed to eliminate the VReg_1 pseudo regclass and possibly the entire SILowerI1Copies pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223206 91177308-0d34-0410-b5e6-96231b3b80d8
173 lines
5.5 KiB
LLVM
173 lines
5.5 KiB
LLVM
; RUN: llc -march=r600 -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}xor_v2i32:
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; SI: v_xor_b32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_xor_b32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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define void @xor_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in0, <2 x i32> addrspace(1)* %in1) {
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%a = load <2 x i32> addrspace(1) * %in0
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%b = load <2 x i32> addrspace(1) * %in1
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%result = xor <2 x i32> %a, %b
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store <2 x i32> %result, <2 x i32> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}xor_v4i32:
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
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define void @xor_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in0, <4 x i32> addrspace(1)* %in1) {
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%a = load <4 x i32> addrspace(1) * %in0
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%b = load <4 x i32> addrspace(1) * %in1
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%result = xor <4 x i32> %a, %b
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store <4 x i32> %result, <4 x i32> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}xor_i1:
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; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], PV\.[XYZW], PS}}
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; SI-DAG: v_cmp_ge_f32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], {{v[0-9]+}}, 0.0
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; SI-DAG: v_cmp_ge_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], {{v[0-9]+}}, 1.0
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; SI: s_xor_b64 [[XOR:s\[[0-9]+:[0-9]+\]]], [[CMP0]], [[CMP1]]
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; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, [[XOR]]
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; SI: buffer_store_dword [[RESULT]]
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; SI: s_endpgm
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define void @xor_i1(float addrspace(1)* %out, float addrspace(1)* %in0, float addrspace(1)* %in1) {
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%a = load float addrspace(1) * %in0
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%b = load float addrspace(1) * %in1
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%acmp = fcmp oge float %a, 0.000000e+00
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%bcmp = fcmp oge float %b, 1.000000e+00
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%xor = xor i1 %acmp, %bcmp
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%result = select i1 %xor, float %a, float %b
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store float %result, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}v_xor_i1:
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; SI: buffer_load_ubyte [[A:v[0-9]+]]
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; SI: buffer_load_ubyte [[B:v[0-9]+]]
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; SI: v_xor_b32_e32 [[XOR:v[0-9]+]], [[B]], [[A]]
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; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[XOR]]
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; SI: buffer_store_byte [[RESULT]]
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define void @v_xor_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in0, i1 addrspace(1)* %in1) {
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%a = load i1 addrspace(1)* %in0
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%b = load i1 addrspace(1)* %in1
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%xor = xor i1 %a, %b
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store i1 %xor, i1 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}vector_xor_i32:
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; SI: v_xor_b32_e32
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define void @vector_xor_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) {
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%a = load i32 addrspace(1)* %in0
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%b = load i32 addrspace(1)* %in1
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%result = xor i32 %a, %b
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}scalar_xor_i32:
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; SI: s_xor_b32
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define void @scalar_xor_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
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%result = xor i32 %a, %b
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}scalar_not_i32:
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; SI: s_not_b32
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define void @scalar_not_i32(i32 addrspace(1)* %out, i32 %a) {
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%result = xor i32 %a, -1
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}vector_not_i32:
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; SI: v_not_b32
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define void @vector_not_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) {
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%a = load i32 addrspace(1)* %in0
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%b = load i32 addrspace(1)* %in1
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%result = xor i32 %a, -1
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}vector_xor_i64:
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; SI: v_xor_b32_e32
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; SI: v_xor_b32_e32
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; SI: s_endpgm
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define void @vector_xor_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in0, i64 addrspace(1)* %in1) {
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%a = load i64 addrspace(1)* %in0
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%b = load i64 addrspace(1)* %in1
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%result = xor i64 %a, %b
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store i64 %result, i64 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}scalar_xor_i64:
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; SI: s_xor_b64
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; SI: s_endpgm
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define void @scalar_xor_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
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%result = xor i64 %a, %b
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store i64 %result, i64 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}scalar_not_i64:
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; SI: s_not_b64
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define void @scalar_not_i64(i64 addrspace(1)* %out, i64 %a) {
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%result = xor i64 %a, -1
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store i64 %result, i64 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}vector_not_i64:
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; SI: v_not_b32
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; SI: v_not_b32
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define void @vector_not_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in0, i64 addrspace(1)* %in1) {
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%a = load i64 addrspace(1)* %in0
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%b = load i64 addrspace(1)* %in1
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%result = xor i64 %a, -1
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store i64 %result, i64 addrspace(1)* %out
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ret void
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}
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; Test that we have a pattern to match xor inside a branch.
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; Note that in the future the backend may be smart enough to
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; use an SALU instruction for this.
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; FUNC-LABEL: {{^}}xor_cf:
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; SI: s_xor_b64
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define void @xor_cf(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b) {
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entry:
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%0 = icmp eq i64 %a, 0
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br i1 %0, label %if, label %else
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if:
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%1 = xor i64 %a, %b
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br label %endif
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else:
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%2 = load i64 addrspace(1)* %in
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br label %endif
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endif:
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%3 = phi i64 [%1, %if], [%2, %else]
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store i64 %3, i64 addrspace(1)* %out
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ret void
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}
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