[PATCH] D26095: Implement vector shift builtins - llvm portion.

[Tony Jiang via llvm-commits]

jtony created this revision.
jtony added reviewers: nemanjai, amehsan, kbarton, echristo, sfertile, syzaara, lei.
jtony added a subscriber: llvm-commits.
Herald added a subscriber: mehdi_amini.

Implemented builtin signatures:

vector unsigned char vec_slv (vector unsigned char, vector unsigned char);
vector unsigned char vec_srv (vector unsigned char, vector unsigned char);


https://reviews.llvm.org/D26095

Files:
  include/llvm/IR/IntrinsicsPowerPC.td
  lib/Target/PowerPC/PPCInstrAltivec.td
  test/CodeGen/PowerPC/vsx-p9.ll


Index: test/CodeGen/PowerPC/vsx-p9.ll
===================================================================
--- test/CodeGen/PowerPC/vsx-p9.ll
+++ test/CodeGen/PowerPC/vsx-p9.ll
@@ -167,4 +167,27 @@
 ; Function Attrs: nounwind readnone
 declare <2 x double> @llvm.ppc.vsx.xviexpdp(<2 x i64>, <2 x i64>)
 
+define <16 x i8> @testVSLV(<16 x i8> %a, <16 x i8> %b) {
+entry:
+  %0 = tail call <16 x i8> @llvm.ppc.altivec.vslv(<16 x i8> %a, <16 x i8> %b)
+  ret <16 x i8> %0
+; CHECK-LABEL: testVSLV
+; CHECK: vslv 2, 2, 3
+; CHECK: blr
+}
+; Function Attrs: nounwind readnone
+declare <16 x i8> @llvm.ppc.altivec.vslv(<16 x i8>, <16 x i8>)
+
+; Function Attrs: nounwind readnone
+define <16 x i8> @testVSRV(<16 x i8> %a, <16 x i8> %b) {
+entry:
+  %0 = tail call <16 x i8> @llvm.ppc.altivec.vsrv(<16 x i8> %a, <16 x i8> %b)
+  ret <16 x i8> %0
+; CHECK-LABEL: testVSRV
+; CHECK: vsrv 2, 2, 3
+; CHECK: blr
+}
+; Function Attrs: nounwind readnone
+declare <16 x i8> @llvm.ppc.altivec.vsrv(<16 x i8>, <16 x i8>)
+
 declare void @sink(...)
Index: lib/Target/PowerPC/PPCInstrAltivec.td
===================================================================
--- lib/Target/PowerPC/PPCInstrAltivec.td
+++ lib/Target/PowerPC/PPCInstrAltivec.td
@@ -1335,8 +1335,10 @@
 def VRLDMI : VX1_VT5_VA5_VB5<197, "vrldmi", []>;
 
 // Vector Shift Left/Right
-def VSLV : VX1_VT5_VA5_VB5<1860, "vslv", []>;
-def VSRV : VX1_VT5_VA5_VB5<1796, "vsrv", []>;
+def VSLV : VX1_VT5_VA5_VB5<1860, "vslv",
+    [ (set v16i8 : $vD, (int_ppc_altivec_vslv v16i8 : $vA, v16i8 : $vB)) ]>;
+def VSRV : VX1_VT5_VA5_VB5<1796, "vsrv",
+    [ (set v16i8 : $vD, (int_ppc_altivec_vsrv v16i8 : $vA, v16i8 : $vB)) ]>;
 
 // Vector Multiply-by-10 (& Write Carry) Unsigned Quadword
 def VMUL10UQ   : VXForm_BX<513, (outs vrrc:$vD), (ins vrrc:$vA),
Index: include/llvm/IR/IntrinsicsPowerPC.td
===================================================================
--- include/llvm/IR/IntrinsicsPowerPC.td
+++ include/llvm/IR/IntrinsicsPowerPC.td
@@ -611,6 +611,8 @@
 def int_ppc_altivec_vslo  : PowerPC_Vec_WWW_Intrinsic<"vslo">;
 
 def int_ppc_altivec_vslb  : PowerPC_Vec_BBB_Intrinsic<"vslb">;
+def int_ppc_altivec_vslv  : PowerPC_Vec_BBB_Intrinsic<"vslv">;
+def int_ppc_altivec_vsrv  : PowerPC_Vec_BBB_Intrinsic<"vsrv">;
 def int_ppc_altivec_vslh  : PowerPC_Vec_HHH_Intrinsic<"vslh">;
 def int_ppc_altivec_vslw  : PowerPC_Vec_WWW_Intrinsic<"vslw">;
 


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D26095.76233.patch
Type: text/x-patch
Size: 2395 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20161028/d379713d/attachment.bin>