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llvm-mirror/test/CodeGen/PowerPC/rotl.ll
2009-09-09 00:09:15 +00:00

38 lines
1.0 KiB
LLVM

; RUN: llc < %s -march=ppc32 | grep rlwnm | count 2
; RUN: llc < %s -march=ppc32 | grep rlwinm | count 2
define i32 @rotlw(i32 %x, i32 %sh) {
entry:
%tmp.7 = sub i32 32, %sh ; <i32> [#uses=1]
%tmp.10 = lshr i32 %x, %tmp.7 ; <i32> [#uses=2]
%tmp.4 = shl i32 %x, %sh ; <i32> [#uses=1]
%tmp.12 = or i32 %tmp.10, %tmp.4 ; <i32> [#uses=1]
ret i32 %tmp.12
}
define i32 @rotrw(i32 %x, i32 %sh) {
entry:
%tmp.3 = trunc i32 %sh to i8 ; <i8> [#uses=1]
%tmp.4 = lshr i32 %x, %sh ; <i32> [#uses=2]
%tmp.7 = sub i32 32, %sh ; <i32> [#uses=1]
%tmp.10 = shl i32 %x, %tmp.7 ; <i32> [#uses=1]
%tmp.12 = or i32 %tmp.4, %tmp.10 ; <i32> [#uses=1]
ret i32 %tmp.12
}
define i32 @rotlwi(i32 %x) {
entry:
%tmp.7 = lshr i32 %x, 27 ; <i32> [#uses=2]
%tmp.3 = shl i32 %x, 5 ; <i32> [#uses=1]
%tmp.9 = or i32 %tmp.3, %tmp.7 ; <i32> [#uses=1]
ret i32 %tmp.9
}
define i32 @rotrwi(i32 %x) {
entry:
%tmp.3 = lshr i32 %x, 5 ; <i32> [#uses=2]
%tmp.7 = shl i32 %x, 27 ; <i32> [#uses=1]
%tmp.9 = or i32 %tmp.3, %tmp.7 ; <i32> [#uses=1]
ret i32 %tmp.9
}