New testcase for rotate instructions. Each function should codegen to a

rotate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19691 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/rotate.ll b/test/CodeGen/X86/rotate.ll
new file mode 100644 (file)
index 0000000..94da9ad
--- /dev/null
+++ b/test/CodeGen/X86/rotate.ll
@@ -0,0 +1,91 @@
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel -disable-pattern-isel=0 | grep ro[rl] | wc -l | grep 12
+
+uint %rotl32(uint %A, ubyte %Amt) {
+       %B = shl uint %A, ubyte %Amt
+       %Amt2 = sub ubyte 32, %Amt
+       %C = shr uint %A, ubyte %Amt2
+       %D = or uint %B, %C
+       ret uint %D
+}
+
+uint %rotr32(uint %A, ubyte %Amt) {
+       %B = shr uint %A, ubyte %Amt
+       %Amt2 = sub ubyte 32, %Amt
+       %C = shl uint %A, ubyte %Amt2
+       %D = or uint %B, %C
+       ret uint %D
+}
+
+uint %rotli32(uint %A) {
+       %B = shl uint %A, ubyte 5
+       %C = shr uint %A, ubyte 27
+       %D = or uint %B, %C
+       ret uint %D
+}
+
+uint %rotri32(uint %A) {
+       %B = shr uint %A, ubyte 5
+       %C = shl uint %A, ubyte 27
+       %D = or uint %B, %C
+       ret uint %D
+}
+
+ushort %rotl16(ushort %A, ubyte %Amt) {
+       %B = shl ushort %A, ubyte %Amt
+       %Amt2 = sub ubyte 16, %Amt
+       %C = shr ushort %A, ubyte %Amt2
+       %D = or ushort %B, %C
+       ret ushort %D
+}
+
+ushort %rotr16(ushort %A, ubyte %Amt) {
+       %B = shr ushort %A, ubyte %Amt
+       %Amt2 = sub ubyte 16, %Amt
+       %C = shl ushort %A, ubyte %Amt2
+       %D = or ushort %B, %C
+       ret ushort %D
+}
+
+ushort %rotli16(ushort %A) {
+       %B = shl ushort %A, ubyte 5
+       %C = shr ushort %A, ubyte 11
+       %D = or ushort %B, %C
+       ret ushort %D
+}
+
+ushort %rotri16(ushort %A) {
+       %B = shr ushort %A, ubyte 5
+       %C = shl ushort %A, ubyte 11
+       %D = or ushort %B, %C
+       ret ushort %D
+}
+
+ubyte %rotl8(ubyte %A, ubyte %Amt) {
+       %B = shl ubyte %A, ubyte %Amt
+       %Amt2 = sub ubyte 8, %Amt
+       %C = shr ubyte %A, ubyte %Amt2
+       %D = or ubyte %B, %C
+       ret ubyte %D
+}
+
+ubyte %rotr8(ubyte %A, ubyte %Amt) {
+       %B = shr ubyte %A, ubyte %Amt
+       %Amt2 = sub ubyte 8, %Amt
+       %C = shl ubyte %A, ubyte %Amt2
+       %D = or ubyte %B, %C
+       ret ubyte %D
+}
+
+ubyte %rotli8(ubyte %A) {
+       %B = shl ubyte %A, ubyte 5
+       %C = shr ubyte %A, ubyte 3
+       %D = or ubyte %B, %C
+       ret ubyte %D
+}
+
+ubyte %rotri8(ubyte %A) {
+       %B = shr ubyte %A, ubyte 5
+       %C = shl ubyte %A, ubyte 3
+       %D = or ubyte %B, %C
+       ret ubyte %D
+}