add mvn

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32454 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 9c2d98b44f71a8c0730cfd1f5b504dbb7b383e16..4be2b74a5ebc42fa384e338d1448e64ccb401adb 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -190,6 +190,9 @@ def STRH    : InstARM<(ops IntRegs:$src, IntRegs:$addr),
 def MOV   : InstARM<(ops IntRegs:$dst, op_addr_mode1:$src),
                     "mov $dst, $src", [(set IntRegs:$dst, addr_mode1:$src)]>;
 
+def MVN     : InstARM<(ops IntRegs:$dst, op_addr_mode1:$src),
+                       "mvn $dst, $src", [(set IntRegs:$dst, (not addr_mode1:$src))]>;
+
 def ADD     : Addr1BinOp<"add",  add>;
 def ADCS    : Addr1BinOp<"adcs", adde>;
 def ADDS    : Addr1BinOp<"adds", addc>;

diff --git a/test/CodeGen/ARM/mvn.ll b/test/CodeGen/ARM/mvn.ll
new file mode 100644 (file)
index 0000000..fc788b8
--- /dev/null
+++ b/test/CodeGen/ARM/mvn.ll
@@ -0,0 +1,55 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep mvn | wc -l | grep 4
+
+;int %f1() {
+;entry:
+;      ret int -1
+;}
+
+int %f2(int %a) {
+entry:
+       %tmpnot = xor int %a, -1                ; <int> [#uses=1]
+       ret int %tmpnot
+}
+
+;int %f3(int %a) {
+;entry:
+;      %tmp1 = shl int %a, ubyte 2             ; <int> [#uses=1]
+;      %tmp1not = xor int %tmp1, -1            ; <int> [#uses=1]
+;      ret int %tmp1not
+;}
+
+int %f4(int %a, ubyte %b) {
+entry:
+       %tmp3 = shl int %a, ubyte %b            ; <int> [#uses=1]
+       %tmp3not = xor int %tmp3, -1            ; <int> [#uses=1]
+       ret int %tmp3not
+}
+
+;uint %f5(uint %a) {
+;entry:
+;      %tmp1 = lshr uint %a, ubyte 2           ; <uint> [#uses=1]
+;      %tmp1not = xor uint %tmp1, 4294967295           ; <uint> [#uses=1]
+;      ret uint %tmp1not
+;}
+
+uint %f6(uint %a, ubyte %b) {
+entry:
+       %tmp2 = lshr uint %a, ubyte %b          ; <uint> [#uses=1]
+       %tmp2not = xor uint %tmp2, 4294967295           ; <uint> [#uses=1]
+       ret uint %tmp2not
+}
+
+;int %f7(int %a) {
+;entry:
+;      %tmp1 = ashr int %a, ubyte 2            ; <int> [#uses=1]
+;      %tmp1not = xor int %tmp1, -1            ; <int> [#uses=1]
+;      ret int %tmp1not
+;}
+
+int %f8(int %a, ubyte %b) {
+entry:
+       %tmp3 = ashr int %a, ubyte %b           ; <int> [#uses=1]
+       %tmp3not = xor int %tmp3, -1            ; <int> [#uses=1]
+       ret int %tmp3not
+}