implement STRB and STRH

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31138 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 37ec3603d90ee1f4c078bc51f972b577de4bc0eb..816970f1169fda86fd96cca00be233793872f2a8 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -184,6 +184,14 @@ def str  : InstARM<(ops IntRegs:$src, memri:$addr),
                     "str $src, $addr",
                     [(store IntRegs:$src, iaddr:$addr)]>;
 
+def STRB    : InstARM<(ops IntRegs:$src, IntRegs:$addr),
+                       "strb $src, [$addr]",
+                       [(truncstorei8 IntRegs:$src, IntRegs:$addr)]>;
+
+def STRH    : InstARM<(ops IntRegs:$src, IntRegs:$addr),
+                       "strh $src, [$addr]",
+                       [(truncstorei16 IntRegs:$src, IntRegs:$addr)]>;
+
 def MOV   : InstARM<(ops IntRegs:$dst, op_addr_mode1:$src),
                     "mov $dst, $src", [(set IntRegs:$dst, addr_mode1:$src)]>;
 

diff --git a/test/CodeGen/ARM/mem.ll b/test/CodeGen/ARM/mem.ll
new file mode 100644 (file)
index 0000000..1bd328c
--- /dev/null
+++ b/test/CodeGen/ARM/mem.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -march=arm | grep strb &&
+; RUN: llvm-as < %s | llc -march=arm | grep strh
+
+void %f1() {
+entry:
+       store ubyte 0, ubyte* null
+       ret void
+}
+
+void %f2() {
+entry:
+       store short 0, short* null
+       ret void
+}