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R600/SI: Add pattern for rotr

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Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
llvm-svn: 182286
This commit is contained in:
Tom Stellard 2013-05-20 15:02:24 +00:00
parent 5ca265d214
commit d72698331e
2 changed files with 21 additions and 9 deletions
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2
lib/Target/R600/SIInstructions.td
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@ -964,6 +964,8 @@ def V_FMA_F32 : VOP3_32 <0x0000014b, "V_FMA_F32", []>;
def V_FMA_F64 : VOP3_64 <0x0000014c, "V_FMA_F64", []>;
//def V_LERP_U8 : VOP3_U8 <0x0000014d, "V_LERP_U8", []>;
def V_ALIGNBIT_B32 : VOP3_32 <0x0000014e, "V_ALIGNBIT_B32", []>;
def : ROTRPattern <V_ALIGNBIT_B32>;
def V_ALIGNBYTE_B32 : VOP3_32 <0x0000014f, "V_ALIGNBYTE_B32", []>;
def V_MULLIT_F32 : VOP3_32 <0x00000150, "V_MULLIT_F32", []>;
////def V_MIN3_F32 : VOP3_MIN3 <0x00000151, "V_MIN3_F32", []>;

28
test/CodeGen/R600/rotr.ll
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@ -1,8 +1,13 @@
; RUN: llc < %s -debug-only=isel -march=r600 -mcpu=redwood -o - 2>&1 | FileCheck %s
; RUN: llc < %s -debug-only=isel -march=r600 -mcpu=redwood -o - 2>&1 | FileCheck --check-prefix=R600-CHECK %s
; RUN: llc < %s -debug-only=isel -march=r600 -mcpu=SI -o - 2>&1 | FileCheck --check-prefix=SI-CHECK %s
; CHECK: rotr
; CHECK: @rotr
; CHECK: BIT_ALIGN_INT
; R600-CHECK: rotr
; R600-CHECK: @rotr
; R600-CHECK: BIT_ALIGN_INT
; SI-CHECK: rotr
; SI-CHECK: @rotr
; SI-CHECK: V_ALIGNBIT_B32
define void @rotr(i32 addrspace(1)* %in, i32 %x, i32 %y) {
entry:
%0 = sub i32 32, %y
@ -13,11 +18,16 @@ entry:
ret void
}
; CHECK: rotr
; CHECK: @rotl
; CHECK: SUB_INT {{\** T[0-9]+\.[XYZW]}}, literal.x
; CHECK-NEXT: 32
; CHECK: BIT_ALIGN_INT {{\** T[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW], PV.[xyzw]}}
; R600-CHECK: rotr
; R600-CHECK: @rotl
; R600-CHECK: SUB_INT {{\** T[0-9]+\.[XYZW]}}, literal.x
; R600-CHECK-NEXT: 32
; R600-CHECK: BIT_ALIGN_INT {{\** T[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW], PV.[xyzw]}}
; SI-CHECK: rotr
; SI-CHECK: @rotl
; SI-CHECK: V_SUB_I32_e32 [[DST:VGPR[0-9]+]], 32, {{VGPR[0-9]+}}
; SI-CHECK: V_ALIGNBIT_B32 {{VGPR[0-9]+, VGPR[0-9]+, VGPR[0-9]+}}, [[DST]]
define void @rotl(i32 addrspace(1)* %in, i32 %x, i32 %y) {
entry:
%0 = shl i32 %x, %y