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R600: Use correct encoding for Vertex Fetch instructions on Cayman

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Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184016 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2013-06-14 22:12:30 +00:00
parent 4efccd0fb1
commit d6055262d2
4 changed files with 341 additions and 178 deletions
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25
test/CodeGen/R600/vertex-fetch-encoding.ll Normal file
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; RUN: llc < %s -march=r600 -show-mc-encoding -mcpu=barts | FileCheck --check-prefix=NI-CHECK %s
; RUN: llc < %s -march=r600 -show-mc-encoding -mcpu=cayman | FileCheck --check-prefix=CM-CHECK %s
; NI-CHECK: @vtx_fetch32
; NI-CHECK: VTX_READ_32 T[[GPR:[0-9]]].X, T[[GPR]].X, 0 ; encoding: [0x40,0x01,0x0[[GPR]],0x10,0x0[[GPR]],0xf0,0x5f,0x13,0x00,0x00,0x08,0x00
; CM-CHECK: @vtx_fetch32
; CM-CHECK: VTX_READ_32 T[[GPR:[0-9]]].X, T[[GPR]].X, 0 ; encoding: [0x40,0x01,0x0[[GPR]],0x00,0x0[[GPR]],0xf0,0x5f,0x13,0x00,0x00,0x00,0x00
define void @vtx_fetch32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
%0 = load i32 addrspace(1)* %in
store i32 %0, i32 addrspace(1)* %out
ret void
}
; NI-CHECK: @vtx_fetch128
; NI-CHECK: VTX_READ_128 T[[DST:[0-9]]].XYZW, T[[SRC:[0-9]]].X, 0 ; encoding: [0x40,0x01,0x0[[SRC]],0x40,0x0[[DST]],0x10,0x8d,0x18,0x00,0x00,0x08,0x00
; XXX: Add a case for Cayman when v4i32 stores are supported.
define void @vtx_fetch128(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
entry:
%0 = load <4 x i32> addrspace(1)* %in
store <4 x i32> %0, <4 x i32> addrspace(1)* %out
ret void
}