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