ARM test cases contributed by Apple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33354 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/rev.ll b/test/CodeGen/ARM/rev.ll
new file mode 100644
index 0000000000..fba519de02
--- /dev/null
+++ b/test/CodeGen/ARM/rev.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | grep rev16 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | grep revsh
+
+int %test1(uint %X) {
+        %tmp1 = shr uint %X, ubyte 8            ; <uint> [#uses=1]
+        %tmp1 = cast uint %tmp1 to int          ; <int> [#uses=2]
+        %X15 = cast uint %X to int              ; <int> [#uses=1]
+        %tmp4 = shl int %X15, ubyte 8           ; <int> [#uses=2]
+        %tmp2 = and int %tmp1, 16711680         ; <int> [#uses=1]
+        %tmp5 = and int %tmp4, -16777216                ; <int> [#uses=1]
+        %tmp9 = and int %tmp1, 255              ; <int> [#uses=1]
+        %tmp13 = and int %tmp4, 65280           ; <int> [#uses=1]
+        %tmp6 = or int %tmp5, %tmp2             ; <int> [#uses=1]
+        %tmp10 = or int %tmp6, %tmp13           ; <int> [#uses=1]
+        %tmp14 = or int %tmp10, %tmp9           ; <int> [#uses=1]
+        ret int %tmp14
+}
+
+int %test2(uint %X) {   ; revsh
+        %tmp1 = shr uint %X, ubyte 8            ; <uint> [#uses=1]
+        %tmp1 = cast uint %tmp1 to short                ; <short> [#uses=1]
+        %tmp3 = cast uint %X to short           ; <short> [#uses=1]
+        %tmp2 = and short %tmp1, 255            ; <short> [#uses=1]
+        %tmp4 = shl short %tmp3, ubyte 8                ; <short> [#uses=1]
+        %tmp5 = or short %tmp2, %tmp4           ; <short> [#uses=1]
+        %tmp5 = cast short %tmp5 to int         ; <int> [#uses=1]
+        ret int %tmp5
+}
+