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llvm/test/CodeGen/AMDGPU/s_movk_i32.ll
Matt Arsenault 3843a1382e AMDGPU: Fix immediate folding logic when shrinking instructions 
If the literal is being folded into src0, it doesn't matter
if it's an SGPR because it's being replaced with the literal.

Also fixes initially selecting 32-bit versions of some instructions
which also confused commuting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281117 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-09 23:32:53 +00:00

192 lines
8.6 KiB
LLVM
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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; SI-LABEL: {{^}}s_movk_i32_k0:
; SI-DAG: s_mov_b32 [[LO_S_IMM:s[0-9]+]], 0xffff{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 1, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k0(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 4295032831 ; ((1 << 16) - 1) | (1 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 4295032831)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k1:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x7fff{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 1, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k1(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 4295000063 ; ((1 << 15) - 1) | (1 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 4295000063)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k2:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x7fff{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 64, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k2(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 274877939711 ; ((1 << 15) - 1) | (64 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 274877939711)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k3:
; SI-DAG: s_mov_b32 [[LO_S_IMM:s[0-9]+]], 0x8000{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 1, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k3(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 4295000064 ; (1 << 15) | (1 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 4295000064)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k4:
; SI-DAG: s_mov_b32 [[LO_S_IMM:s[0-9]+]], 0x20000{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 1, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k4(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 4295098368 ; (1 << 17) | (1 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 4295098368)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k5:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0xffef{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0xff00ffff{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k5(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 18374967954648334319 ; -17 & 0xff00ffffffffffff
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 18374967954648334319)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k6:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x41{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, 63, v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k6(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 270582939713 ; 65 | (63 << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 270582939713)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k7:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x2000{{$}}
; SI-DAG: s_movk_i32 [[HI_S_IMM:s[0-9]+]], 0x4000{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k7(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 70368744185856; ((1 << 13)) | ((1 << 14) << 32)
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 70368744185856)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k8:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x8000{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0x11111111{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k8(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 1229782942255906816 ; 0x11111111ffff8000
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 1229782942255906816)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k9:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x8001{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0x11111111{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k9(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 1229782942255906817 ; 0x11111111ffff8001
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 1229782942255906817)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k10:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x8888{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0x11111111{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k10(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 1229782942255909000 ; 0x11111111ffff8888
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 1229782942255909000)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k11:
; SI-DAG: s_movk_i32 [[LO_S_IMM:s[0-9]+]], 0x8fff{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0x11111111{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k11(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 1229782942255910911 ; 0x11111111ffff8fff
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 1229782942255910911)
ret void
}
; SI-LABEL: {{^}}s_movk_i32_k12:
; SI-DAG: s_mov_b32 [[LO_S_IMM:s[0-9]+]], 0xffff7001{{$}}
; SI-DAG: s_mov_b32 [[HI_S_IMM:s[0-9]+]], 0x11111111{{$}}
; SI-DAG: buffer_load_dwordx2 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}},
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[LO_S_IMM]], v[[LO_VREG]]
; SI-DAG: v_or_b32_e32 {{v[0-9]+}}, [[HI_S_IMM]], v[[HI_VREG]]
; SI: s_endpgm
define void @s_movk_i32_k12(i64 addrspace(1)* %out, i64 addrspace(1)* %a, i64 addrspace(1)* %b) {
%loada = load i64, i64 addrspace(1)* %a, align 4
%or = or i64 %loada, 1229782942255902721 ; 0x11111111ffff7001
store i64 %or, i64 addrspace(1)* %out
call void asm sideeffect "; use $0", "s"(i64 1229782942255902721)
ret void
}
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