Add testcase for rotate by register and rotate by immediate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25228 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/rotl.ll b/test/CodeGen/PowerPC/rotl.ll
new file mode 100644 (file)
index 0000000..76a9989
--- /dev/null
+++ b/test/CodeGen/PowerPC/rotl.ll
@@ -0,0 +1,51 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep or && 
+; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwnm | wc -l | grep 2 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwinm | wc -l | grep 2
+
+implementation   ; Functions:
+
+int %rotlw(uint %x, int %sh) {
+entry:
+       %tmp.3 = cast int %sh to ubyte          ; <ubyte> [#uses=1]
+       %x = cast uint %x to int                ; <int> [#uses=1]
+       %tmp.7 = sub int 32, %sh                ; <int> [#uses=1]
+       %tmp.9 = cast int %tmp.7 to ubyte               ; <ubyte> [#uses=1]
+       %tmp.10 = shr uint %x, ubyte %tmp.9             ; <uint> [#uses=1]
+       %tmp.4 = shl int %x, ubyte %tmp.3               ; <int> [#uses=1]
+       %tmp.10 = cast uint %tmp.10 to int              ; <int> [#uses=1]
+       %tmp.12 = or int %tmp.10, %tmp.4                ; <int> [#uses=1]
+       ret int %tmp.12
+}
+
+int %rotrw(uint %x, int %sh) {
+entry:
+       %tmp.3 = cast int %sh to ubyte          ; <ubyte> [#uses=1]
+       %tmp.4 = shr uint %x, ubyte %tmp.3              ; <uint> [#uses=1]
+       %tmp.7 = sub int 32, %sh                ; <int> [#uses=1]
+       %tmp.9 = cast int %tmp.7 to ubyte               ; <ubyte> [#uses=1]
+       %x = cast uint %x to int                ; <int> [#uses=1]
+       %tmp.4 = cast uint %tmp.4 to int                ; <int> [#uses=1]
+       %tmp.10 = shl int %x, ubyte %tmp.9              ; <int> [#uses=1]
+       %tmp.12 = or int %tmp.4, %tmp.10                ; <int> [#uses=1]
+       ret int %tmp.12
+}
+
+int %rotlwi(uint %x) {
+entry:
+       %x = cast uint %x to int                ; <int> [#uses=1]
+       %tmp.7 = shr uint %x, ubyte 27          ; <uint> [#uses=1]
+       %tmp.3 = shl int %x, ubyte 5            ; <int> [#uses=1]
+       %tmp.7 = cast uint %tmp.7 to int                ; <int> [#uses=1]
+       %tmp.9 = or int %tmp.3, %tmp.7          ; <int> [#uses=1]
+       ret int %tmp.9
+}
+
+int %rotrwi(uint %x) {
+entry:
+       %tmp.3 = shr uint %x, ubyte 5           ; <uint> [#uses=1]
+       %x = cast uint %x to int                ; <int> [#uses=1]
+       %tmp.3 = cast uint %tmp.3 to int                ; <int> [#uses=1]
+       %tmp.7 = shl int %x, ubyte 27           ; <int> [#uses=1]
+       %tmp.9 = or int %tmp.3, %tmp.7          ; <int> [#uses=1]
+       ret int %tmp.9
+}