Initial checkin of regression test for generating the PowerPC rlwimi

instruction, which performs bitfield inserts.  All tests should compile
to one rlwimi instruction.

llvm-svn: 17206

1 files changed, 62 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/PowerPC/rlwimi.ll b/llvm/test/Regression/CodeGen/PowerPC/rlwimi.ll
new file mode 100644
index 00000000000..291e4efe1e6
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/PowerPC/rlwimi.ll
@@ -0,0 +1,62 @@
+target endian = big
+target pointersize = 32
+
+implementation   ; Functions:
+
+int %test1(int %x, int %y) {
+entry:
+	%tmp.3 = shl int %x, ubyte 16		; <int> [#uses=1]
+	%tmp.7 = and int %y, 65535		; <int> [#uses=1]
+	%tmp.9 = or int %tmp.7, %tmp.3		; <int> [#uses=1]
+	ret int %tmp.9
+}
+
+int %test2(int %x, int %y) {
+entry:
+	%tmp.7 = and int %x, 65535		; <int> [#uses=1]
+	%tmp.3 = shl int %y, ubyte 16		; <int> [#uses=1]
+	%tmp.9 = or int %tmp.7, %tmp.3		; <int> [#uses=1]
+	ret int %tmp.9
+}
+
+uint %test3(uint %x, uint %y) {
+entry:
+	%tmp.3 = shr uint %x, ubyte 16		; <uint> [#uses=1]
+	%tmp.6 = and uint %y, 4294901760		; <uint> [#uses=1]
+	%tmp.7 = or uint %tmp.6, %tmp.3		; <uint> [#uses=1]
+	ret uint %tmp.7
+}
+
+uint %test4(uint %x, uint %y) {
+entry:
+	%tmp.6 = and uint %x, 4294901760		; <uint> [#uses=1]
+	%tmp.3 = shr uint %y, ubyte 16		; <uint> [#uses=1]
+	%tmp.7 = or uint %tmp.6, %tmp.3		; <uint> [#uses=1]
+	ret uint %tmp.7
+}
+
+int %test5(int %x, int %y) {
+entry:
+	%tmp.3 = shl int %x, ubyte 1		; <int> [#uses=1]
+	%tmp.4 = and int %tmp.3, -65536		; <int> [#uses=1]
+	%tmp.7 = and int %y, 65535		; <int> [#uses=1]
+	%tmp.9 = or int %tmp.4, %tmp.7		; <int> [#uses=1]
+	ret int %tmp.9
+}
+
+int %test6(int %x, int %y) {
+entry:
+	%tmp.7 = and int %x, 65535		; <int> [#uses=1]
+	%tmp.3 = shl int %y, ubyte 1		; <int> [#uses=1]
+	%tmp.4 = and int %tmp.3, -65536		; <int> [#uses=1]
+	%tmp.9 = or int %tmp.4, %tmp.7		; <int> [#uses=1]
+	ret int %tmp.9
+}
+
+int %test9(int %x, int %y) {
+entry:
+	%tmp.2 = and int %x, -65536		; <int> [#uses=1]
+	%tmp.5 = and int %y, 65535		; <int> [#uses=1]
+	%tmp.7 = or int %tmp.5, %tmp.2		; <int> [#uses=1]
+	ret int %tmp.7
+}