78 lines
3.6 KiB
LLVM
78 lines
3.6 KiB
LLVM
; RUN: llc < %s -march=amdgcn -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=GCN %s
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; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=GCN %s
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; GCN-LABEL: {{^}}inline_reg_constraints:
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; GCN: flat_load_dword v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx2 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx2 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx4 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx4 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dword s{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx4 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx4 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx8 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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define amdgpu_kernel void @inline_reg_constraints(i32 addrspace(1)* %ptr) {
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entry:
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%v32 = tail call i32 asm sideeffect "flat_load_dword $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v2_32 = tail call <2 x i32> asm sideeffect "flat_load_dwordx2 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v64 = tail call i64 asm sideeffect "flat_load_dwordx2 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v4_32 = tail call <4 x i32> asm sideeffect "flat_load_dwordx4 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v128 = tail call i128 asm sideeffect "flat_load_dwordx4 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%s32 = tail call i32 asm sideeffect "s_load_dword $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s32_2 = tail call <2 x i32> asm sideeffect "s_load_dwordx2 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s64 = tail call i64 asm sideeffect "s_load_dwordx2 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s4_32 = tail call <4 x i32> asm sideeffect "s_load_dwordx4 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s128 = tail call i128 asm sideeffect "s_load_dwordx4 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s256 = tail call <8 x i32> asm sideeffect "s_load_dwordx8 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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ret void
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}
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; FIXME: Should be able to avoid copy
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; GCN-LABEL: {{^}}inline_sreg_constraint_m0:
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; GCN: s_mov_b32 m0, -1
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; GCN: s_mov_b32 [[COPY_M0:s[0-9]+]], m0
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; GCN: ; use [[COPY_M0]]
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define amdgpu_kernel void @inline_sreg_constraint_m0() {
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%m0 = tail call i32 asm sideeffect "s_mov_b32 m0, -1", "={M0}"()
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tail call void asm sideeffect "; use $0", "s"(i32 %m0)
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ret void
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}
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; GCN-LABEL: {{^}}inline_sreg_constraint_imm_i32:
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; GCN: s_mov_b32 [[REG:s[0-9]+]], 32
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; GCN: ; use [[REG]]
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define amdgpu_kernel void @inline_sreg_constraint_imm_i32() {
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tail call void asm sideeffect "; use $0", "s"(i32 32)
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ret void
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}
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; GCN-LABEL: {{^}}inline_sreg_constraint_imm_f32:
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; GCN: s_mov_b32 [[REG:s[0-9]+]], 1.0
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; GCN: ; use [[REG]]
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define amdgpu_kernel void @inline_sreg_constraint_imm_f32() {
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tail call void asm sideeffect "; use $0", "s"(float 1.0)
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ret void
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}
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; FIXME: Should be able to use s_mov_b64
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; GCN-LABEL: {{^}}inline_sreg_constraint_imm_i64:
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; GCN-DAG: s_mov_b32 s[[REG_LO:[0-9]+]], -4{{$}}
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; GCN-DAG: s_mov_b32 s[[REG_HI:[0-9]+]], -1{{$}}
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; GCN: ; use s{{\[}}[[REG_LO]]:[[REG_HI]]{{\]}}
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define amdgpu_kernel void @inline_sreg_constraint_imm_i64() {
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tail call void asm sideeffect "; use $0", "s"(i64 -4)
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ret void
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}
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; GCN-LABEL: {{^}}inline_sreg_constraint_imm_f64:
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; GCN-DAG: s_mov_b32 s[[REG_LO:[0-9]+]], 0{{$}}
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; GCN-DAG: s_mov_b32 s[[REG_HI:[0-9]+]], 0x3ff00000{{$}}
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; GCN: ; use s{{\[}}[[REG_LO]]:[[REG_HI]]{{\]}}
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define amdgpu_kernel void @inline_sreg_constraint_imm_f64() {
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tail call void asm sideeffect "; use $0", "s"(double 1.0)
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ret void
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}
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