From ed37b1e2d0c41005b0e0ff03bb16c7acf932ef05 Mon Sep 17 00:00:00 2001
From: Colin LeMahieu <colinl@codeaurora.org>
Date: Tue, 18 Nov 2014 21:51:51 +0000
Subject: [PATCH] [Hexagon] Adding A2_sub instruction Renaming test files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222263 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Hexagon/HexagonInstrInfo.td           |  2 ++
 test/MC/Hexagon/{instructions.ll => inst_add.ll} |  0
 test/MC/Hexagon/inst_sub.ll                      | 10 ++++++++++
 3 files changed, 12 insertions(+)
 rename test/MC/Hexagon/{instructions.ll => inst_add.ll} (100%)
 create mode 100644 test/MC/Hexagon/inst_sub.ll

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.td b/lib/Target/Hexagon/HexagonInstrInfo.td
index 3acefd5851f..f06c1dcd0b1 100644
--- a/lib/Target/Hexagon/HexagonInstrInfo.td
+++ b/lib/Target/Hexagon/HexagonInstrInfo.td
@@ -162,6 +162,7 @@ multiclass T_ALU32_3op_A2<string mnemonic, bits<3> MajOp, bits<3> MinOp,
 
 let isCodeGenOnly = 0 in
 defm add : T_ALU32_3op_A2<"add", 0b011, 0b000, 0, 1>;
+defm sub : T_ALU32_3op_A2<"sub", 0b011, 0b001, 1, 0>;
 
 // Pats for instruction selection.
 class BinOp32_pat<SDNode Op, InstHexagon MI, ValueType ResT>
@@ -169,6 +170,7 @@ class BinOp32_pat<SDNode Op, InstHexagon MI, ValueType ResT>
         (ResT (MI IntRegs:$Rs, IntRegs:$Rt))>;
 
 def: BinOp32_pat<add, A2_add, i32>;
+def: BinOp32_pat<sub, A2_sub, i32>;
 
 multiclass ALU32_Pbase<string mnemonic, RegisterClass RC, bit isNot,
                        bit isPredNew> {
diff --git a/test/MC/Hexagon/instructions.ll b/test/MC/Hexagon/inst_add.ll
similarity index 100%
rename from test/MC/Hexagon/instructions.ll
rename to test/MC/Hexagon/inst_add.ll
diff --git a/test/MC/Hexagon/inst_sub.ll b/test/MC/Hexagon/inst_sub.ll
new file mode 100644
index 00000000000..7523aa6a5a6
--- /dev/null
+++ b/test/MC/Hexagon/inst_sub.ll
@@ -0,0 +1,10 @@
+;; RUN: llc -mtriple=hexagon-unknown-elf -filetype=obj %s -o - \
+;; RUN: | llvm-objdump -s - | FileCheck %s
+
+define i32 @foo (i32 %a, i32 %b)
+{
+  %1 = sub i32 %a, %b
+  ret i32 %1
+}
+
+; CHECK:  0000 004021f3 00c09f52
\ No newline at end of file
-- 
2.34.1