39 lines
1.2 KiB
LLVM
39 lines
1.2 KiB
LLVM
; RUN: llc < %s -march=ppc32 | grep rlwinm | count 4
|
|
; RUN: llc < %s -march=ppc32 | grep rlwnm | count 2
|
|
; RUN: llc < %s -march=ppc32 | not grep or
|
|
|
|
define i32 @rotl32(i32 %A, i8 %Amt) nounwind {
|
|
%shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1]
|
|
%B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1]
|
|
%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
|
|
%shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
|
|
%C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1]
|
|
%D = or i32 %B, %C ; <i32> [#uses=1]
|
|
ret i32 %D
|
|
}
|
|
|
|
define i32 @rotr32(i32 %A, i8 %Amt) nounwind {
|
|
%shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1]
|
|
%B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1]
|
|
%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
|
|
%shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
|
|
%C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
|
|
%D = or i32 %B, %C ; <i32> [#uses=1]
|
|
ret i32 %D
|
|
}
|
|
|
|
define i32 @rotli32(i32 %A) nounwind {
|
|
%B = shl i32 %A, 5 ; <i32> [#uses=1]
|
|
%C = lshr i32 %A, 27 ; <i32> [#uses=1]
|
|
%D = or i32 %B, %C ; <i32> [#uses=1]
|
|
ret i32 %D
|
|
}
|
|
|
|
define i32 @rotri32(i32 %A) nounwind {
|
|
%B = lshr i32 %A, 5 ; <i32> [#uses=1]
|
|
%C = shl i32 %A, 27 ; <i32> [#uses=1]
|
|
%D = or i32 %B, %C ; <i32> [#uses=1]
|
|
ret i32 %D
|
|
}
|
|
|