From f63ad39e7da18dd3502036b9b4f1203750bd9ea9 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Date: Thu, 22 Jun 2017 15:53:31 +0000
Subject: [Hexagon] Handle a global operand to A2_addi when creating duplexes

llvm-svn: 306012
---
 .../CodeGen/Hexagon/duplex-addi-global-imm.mir     | 22 ++++++++++++++++++++++
 llvm/test/MC/Hexagon/duplex-addi-global-imm.s      | 15 +++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 llvm/test/CodeGen/Hexagon/duplex-addi-global-imm.mir
 create mode 100644 llvm/test/MC/Hexagon/duplex-addi-global-imm.s

(limited to 'llvm/test')

diff --git a/llvm/test/CodeGen/Hexagon/duplex-addi-global-imm.mir b/llvm/test/CodeGen/Hexagon/duplex-addi-global-imm.mir
new file mode 100644
index 00000000000..be86abb9508
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/duplex-addi-global-imm.mir
@@ -0,0 +1,22 @@
+# RUN: llc -march=hexagon -start-after if-converter %s -o - | FileCheck %s
+# This used to crash.
+# CHECK: add(r0,##g0)
+
+--- |
+  @g = global i32 0
+  define void @fred() {
+    ret void
+  }
+...
+
+---
+name: fred
+tracksRegLiveness: true
+
+body: |
+  bb.0:
+    liveins: %r0
+    %r0 = A2_addi %r0, @g
+    %r1 = A2_tfrsi 0
+...
+
diff --git a/llvm/test/MC/Hexagon/duplex-addi-global-imm.s b/llvm/test/MC/Hexagon/duplex-addi-global-imm.s
new file mode 100644
index 00000000000..e8e338c6a58
--- /dev/null
+++ b/llvm/test/MC/Hexagon/duplex-addi-global-imm.s
@@ -0,0 +1,15 @@
+# RUN: llvm-mc -arch=hexagon -show-encoding %s | FileCheck %s
+# Check that we generate a duplex for this packet.
+# CHECK: encoding: [A,0x40'A',A,A,0x01'B',0x28'B',B,0x20'B']
+
+.data
+g:
+.long 0
+
+.text
+  {
+    r0 = add(r0,##g)
+    r1 = #0
+  }
+
+
-- 
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