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

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rotate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-19 08:04:08 +00:00
parent 40ff633b05
commit b51f2e3de2
1 changed files with 91 additions and 0 deletions
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test/CodeGen/X86/rotate.ll Normal file
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; 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
}