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R600/SI: Add a MUBUF store pattern for Imm offsets

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2014-02-06 18:36:39 +00:00
parent becac0f183
commit 603cd56372
2 changed files with 40 additions and 0 deletions
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5
lib/Target/R600/SIInstructions.td
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@ -2006,6 +2006,11 @@ defm : MUBUFLoad_Pattern <BUFFER_LOAD_DWORDX4_ADDR64, v4i32,
multiclass MUBUFStore_Pattern <MUBUF Instr, ValueType vt, PatFrag st> {
def : Pat <
(st vt:$value, (add i64:$ptr, IMM12bit:$offset)),
(Instr $value, (SI_ADDR64_RSRC (i64 0)), $ptr, (as_i16imm $offset))
>;
def : Pat <
(st vt:$value, i64:$ptr),
(Instr $value, (SI_ADDR64_RSRC (i64 0)), $ptr, 0)

35
test/CodeGen/R600/mubuf.ll
View File

@ -49,3 +49,38 @@ entry:
store i32 %2, i32 addrspace(1)* %out
ret void
}
;;;==========================================================================;;;
;;; MUBUF STORE TESTS
;;;==========================================================================;;;
; MUBUF store with an immediate byte offset that fits into 12-bits
; CHECK-LABEL: @mubuf_store0
; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
define void @mubuf_store0(i32 addrspace(1)* %out) {
entry:
%0 = getelementptr i32 addrspace(1)* %out, i64 1
store i32 0, i32 addrspace(1)* %0
ret void
}
; MUBUF store with the largest possible immediate offset
; CHECK-LABEL: @mubuf_store1
; CHECK: BUFFER_STORE_BYTE v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4095 ; encoding: [0xff,0x8f
define void @mubuf_store1(i8 addrspace(1)* %out) {
entry:
%0 = getelementptr i8 addrspace(1)* %out, i64 4095
store i8 0, i8 addrspace(1)* %0
ret void
}
; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
; CHECK-LABEL: @mubuf_store2
; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 0 ; encoding: [0x00,0x80
define void @mubuf_store2(i32 addrspace(1)* %out) {
entry:
%0 = getelementptr i32 addrspace(1)* %out, i64 1024
store i32 0, i32 addrspace(1)* %0
ret void
}