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

rotate.

llvm-svn: 19691

1 files changed, 91 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/X86/rotate.ll b/llvm/test/Regression/CodeGen/X86/rotate.ll
new file mode 100644
index 00000000000..94da9ad6351
--- /dev/null
+++ b/llvm/test/Regression/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
+}