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3a9a1ac61b
For some reason there are both of these available, except for scalar 64-bit compares which only has u64. I'm not sure why there are both (I'm guessing it's for the one bit inputs we don't use), but for consistency always using the unsigned one. llvm-svn: 282832
101 lines
3.6 KiB
LLVM
101 lines
3.6 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
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; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
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; SI-LABEL: {{^}}trunc_i64_to_i32_store:
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; SI: s_load_dword [[SLOAD:s[0-9]+]], s[0:1], 0xb
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; SI: v_mov_b32_e32 [[VLOAD:v[0-9]+]], [[SLOAD]]
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; SI: buffer_store_dword [[VLOAD]]
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; EG-LABEL: {{^}}trunc_i64_to_i32_store:
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; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
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; EG: LSHR
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; EG-NEXT: 2(
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%result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}trunc_load_shl_i64:
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; SI-DAG: s_load_dwordx2
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; SI-DAG: s_load_dword [[SREG:s[0-9]+]],
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; SI: s_lshl_b32 [[SHL:s[0-9]+]], [[SREG]], 2
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; SI: v_mov_b32_e32 [[VSHL:v[0-9]+]], [[SHL]]
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; SI: buffer_store_dword [[VSHL]],
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define void @trunc_load_shl_i64(i32 addrspace(1)* %out, i64 %a) {
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%b = shl i64 %a, 2
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%result = trunc i64 %b to i32
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}trunc_shl_i64:
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; SI: s_load_dwordx2 s{{\[}}[[LO_SREG:[0-9]+]]:{{[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
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; SI: s_lshl_b64 s{{\[}}[[LO_SHL:[0-9]+]]:{{[0-9]+\]}}, s{{\[}}[[LO_SREG]]:{{[0-9]+\]}}, 2
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; SI: s_add_u32 s[[LO_SREG2:[0-9]+]], s[[LO_SHL]],
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; SI: v_mov_b32_e32 v[[LO_VREG:[0-9]+]], s[[LO_SREG2]]
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; SI: s_addc_u32
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; SI: buffer_store_dword v[[LO_VREG]],
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; SI: v_mov_b32_e32
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; SI: v_mov_b32_e32
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define void @trunc_shl_i64(i64 addrspace(1)* %out2, i32 addrspace(1)* %out, i64 %a) {
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%aa = add i64 %a, 234 ; Prevent shrinking store.
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%b = shl i64 %aa, 2
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%result = trunc i64 %b to i32
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store i32 %result, i32 addrspace(1)* %out, align 4
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store i64 %b, i64 addrspace(1)* %out2, align 8 ; Prevent reducing ops to 32-bits
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ret void
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}
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; SI-LABEL: {{^}}trunc_i32_to_i1:
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; SI: v_and_b32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; SI: v_cmp_eq_u32
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define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) {
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%a = load i32, i32 addrspace(1)* %ptr, align 4
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%trunc = trunc i32 %a to i1
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%result = select i1 %trunc, i32 1, i32 0
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}sgpr_trunc_i32_to_i1:
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; SI: s_and_b32 s{{[0-9]+}}, 1, s{{[0-9]+}}
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; SI: v_cmp_eq_u32
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define void @sgpr_trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) {
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%trunc = trunc i32 %a to i1
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%result = select i1 %trunc, i32 1, i32 0
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}s_trunc_i64_to_i1:
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; SI: s_load_dwordx2 s{{\[}}[[SLO:[0-9]+]]:{{[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0xb
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; SI: s_and_b32 [[MASKED:s[0-9]+]], 1, s[[SLO]]
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; SI: v_cmp_eq_u32_e64 s{{\[}}[[VLO:[0-9]+]]:[[VHI:[0-9]+]]], [[MASKED]], 1{{$}}
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; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, s{{\[}}[[VLO]]:[[VHI]]]
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define void @s_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 %x) {
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%trunc = trunc i64 %x to i1
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%sel = select i1 %trunc, i32 63, i32 -12
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store i32 %sel, i32 addrspace(1)* %out
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ret void
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}
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; SI-LABEL: {{^}}v_trunc_i64_to_i1:
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; SI: buffer_load_dwordx2 v{{\[}}[[VLO:[0-9]+]]:{{[0-9]+\]}}
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; SI: v_and_b32_e32 [[MASKED:v[0-9]+]], 1, v[[VLO]]
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; SI: v_cmp_eq_u32_e32 vcc, 1, [[MASKED]]
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; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, vcc
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define void @v_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 addrspace(1)* %in) {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%x = load i64, i64 addrspace(1)* %gep
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%trunc = trunc i64 %x to i1
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%sel = select i1 %trunc, i32 63, i32 -12
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store i32 %sel, i32 addrspace(1)* %out.gep
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ret void
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}
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