From 9363f739cdc3bd02e8516a25de0090f52ae12fbb Mon Sep 17 00:00:00 2001
From: Kalle Raiskila <kalle.raiskila@nokia.com>
Date: Mon, 29 Nov 2010 14:44:28 +0000
Subject: [PATCH] Handle lshr for i128 correctly on SPU also when shiftamount >
 7.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120288 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/CellSPU/SPUInstrInfo.td |  7 +++++--
 test/CodeGen/CellSPU/shift_ops.ll  | 16 ++++++++++++++--
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/lib/Target/CellSPU/SPUInstrInfo.td b/lib/Target/CellSPU/SPUInstrInfo.td
index 6e06e47c496..4095951c24c 100644
--- a/lib/Target/CellSPU/SPUInstrInfo.td
+++ b/lib/Target/CellSPU/SPUInstrInfo.td
@@ -2727,6 +2727,8 @@ multiclass RotateMaskQuadByBitCount
   def v8i16: ROTQMBYBIVecInst<v8i16>;
   def v4i32: ROTQMBYBIVecInst<v4i32>;
   def v2i64: ROTQMBYBIVecInst<v2i64>;
+  def r128: ROTQMBYBIInst<(outs GPRC:$rT), (ins GPRC:$rA, R32C:$rB),
+                           [/*no pattern*/]>;
 }
 
 defm ROTQMBYBI: RotateMaskQuadByBitCount;
@@ -2762,8 +2764,9 @@ multiclass RotateMaskQuadByBits
 defm ROTQMBI: RotateMaskQuadByBits;
 
 def : Pat<(srl GPRC:$rA, R32C:$rB),
-          (ROTQMBIr128  GPRC:$rA, 
-                        (SFIr32 R32C:$rB, 0))>;
+          (ROTQMBYBIr128 (ROTQMBIr128  GPRC:$rA, 
+                                       (SFIr32 R32C:$rB, 0)),
+                         (SFIr32 R32C:$rB, 0))>;
 
 
 //-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
diff --git a/test/CodeGen/CellSPU/shift_ops.ll b/test/CodeGen/CellSPU/shift_ops.ll
index 0264fc830ea..9dffb98a234 100644
--- a/test/CodeGen/CellSPU/shift_ops.ll
+++ b/test/CodeGen/CellSPU/shift_ops.ll
@@ -10,11 +10,12 @@
 ; RUN: grep {rotqmbyi	}  %t1.s | count 1
 ; RUN: grep {rotqmbii	}  %t1.s | count 2
 ; RUN: grep {rotqmby	}  %t1.s | count 1
-; RUN: grep {rotqmbi	}  %t1.s | count 1
+; RUN: grep {rotqmbi	}  %t1.s | count 2
 ; RUN: grep {rotqbyi	}  %t1.s | count 1
 ; RUN: grep {rotqbii	}  %t1.s | count 2
 ; RUN: grep {rotqbybi	}  %t1.s | count 1
-; RUN: grep {sfi	}  %t1.s | count 3
+; RUN: grep {sfi	}  %t1.s | count 4
+; RUN: cat %t1.s | FileCheck %s
 
 target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
 target triple = "spu"
@@ -281,3 +282,14 @@ define i32 @hi32_i64(i64 %arg) {
 	%2 = trunc i64 %1 to i32
 	ret i32 %2
 }
+
+; some random tests
+define i128 @test_lshr_i128( i128 %val ) {
+ 	;CHECK: test_lshr_i128
+	;CHECK: sfi
+	;CHECK: rotqmbi
+	;CHECK: rotqmbybi
+	;CHECK: bi $lr
+	%rv = lshr i128 %val, 64
+	ret i128 %rv
+}
-- 
2.34.1