Add missed mem-mem move patterns
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MSP430/MSP430InstrInfo.td b/lib/Target/MSP430/MSP430InstrInfo.td
index 37a9492..f7e0d2b 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.td
+++ b/lib/Target/MSP430/MSP430InstrInfo.td
@@ -243,6 +243,13 @@
"mov.w\t{$src, $dst}",
[(store GR16:$src, addr:$dst)]>;
+def MOV8mm : Pseudo<(outs), (ins memdst:$dst, memsrc:$src),
+ "mov.b\t{$src, $dst}",
+ [(store (i8 (load addr:$src)), addr:$dst)]>;
+def MOV16mm : Pseudo<(outs), (ins memdst:$dst, memsrc:$src),
+ "mov.w\t{$src, $dst}",
+ [(store (i16 (load addr:$src)), addr:$dst)]>;
+
//===----------------------------------------------------------------------===//
// Arithmetic Instructions
diff --git a/test/CodeGen/MSP430/Inst16mm.ll b/test/CodeGen/MSP430/Inst16mm.ll
index dd4b570..5f492bb 100644
--- a/test/CodeGen/MSP430/Inst16mm.ll
+++ b/test/CodeGen/MSP430/Inst16mm.ll
@@ -4,6 +4,14 @@
@foo = common global i16 0, align 2
@bar = common global i16 0, align 2
+define void @mov() nounwind {
+; CHECK: mov:
+; CHECK: mov.w &bar, &foo
+ %1 = load i16* @bar
+ store i16 %1, i16* @foo
+ ret void
+}
+
define void @add() nounwind {
; CHECK: add:
; CHECK: add.w &bar, &foo
diff --git a/test/CodeGen/MSP430/Inst8mm.ll b/test/CodeGen/MSP430/Inst8mm.ll
index 5a128c5..7e237a2 100644
--- a/test/CodeGen/MSP430/Inst8mm.ll
+++ b/test/CodeGen/MSP430/Inst8mm.ll
@@ -5,6 +5,14 @@
@foo = common global i8 0, align 1
@bar = common global i8 0, align 1
+define void @mov() nounwind {
+; CHECK: mov:
+; CHECK: mov.b &bar, &foo
+ %1 = load i8* @bar
+ store i8 %1, i8* @foo
+ ret void
+}
+
define void @add() nounwind {
; CHECK: add:
; CHECK: add.b &bar, &foo