implement LDRB, LDRSB, LDRH and LDRSH

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30976 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/load.ll b/test/CodeGen/ARM/load.ll
new file mode 100644
index 0000000000..603a8b2780
--- /dev/null
+++ b/test/CodeGen/ARM/load.ll
@@ -0,0 +1,33 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -march=arm | grep ldrsb &&
+; RUN: llvm-as < %s | llc -march=arm | grep ldrb &&
+; RUN: llvm-as < %s | llc -march=arm | grep ldrsh &&
+; RUN: llvm-as < %s | llc -march=arm | grep ldrh
+
+int %f1(sbyte* %p) {
+entry:
+	%tmp = load sbyte* %p		; <sbyte> [#uses=1]
+	%tmp = cast sbyte %tmp to int		; <int> [#uses=1]
+	ret int %tmp
+}
+
+int %f2(ubyte* %p) {
+entry:
+	%tmp = load ubyte* %p		; <sbyte> [#uses=1]
+	%tmp = cast ubyte %tmp to int		; <int> [#uses=1]
+	ret int %tmp
+}
+
+int %f3(short* %p) {
+entry:
+	%tmp = load short* %p		; <sbyte> [#uses=1]
+	%tmp = cast short %tmp to int		; <int> [#uses=1]
+	ret int %tmp
+}
+
+int %f4(ushort* %p) {
+entry:
+	%tmp = load ushort* %p		; <sbyte> [#uses=1]
+	%tmp = cast ushort %tmp to int		; <int> [#uses=1]
+	ret int %tmp
+}