mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-10 01:10:48 +00:00
fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
1.1 KiB
LLVM
26 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=ppc32 -stats |& \
|
|
; RUN: grep {Number of machine instrs printed} | grep 12
|
|
|
|
define i16 @Trans16Bit(i32 %srcA, i32 %srcB, i32 %alpha) {
|
|
%tmp1 = shl i32 %srcA, 15 ; <i32> [#uses=1]
|
|
%tmp2 = and i32 %tmp1, 32505856 ; <i32> [#uses=1]
|
|
%tmp4 = and i32 %srcA, 31775 ; <i32> [#uses=1]
|
|
%tmp5 = or i32 %tmp2, %tmp4 ; <i32> [#uses=1]
|
|
%tmp7 = shl i32 %srcB, 15 ; <i32> [#uses=1]
|
|
%tmp8 = and i32 %tmp7, 32505856 ; <i32> [#uses=1]
|
|
%tmp10 = and i32 %srcB, 31775 ; <i32> [#uses=1]
|
|
%tmp11 = or i32 %tmp8, %tmp10 ; <i32> [#uses=1]
|
|
%tmp14 = mul i32 %tmp5, %alpha ; <i32> [#uses=1]
|
|
%tmp16 = sub i32 32, %alpha ; <i32> [#uses=1]
|
|
%tmp18 = mul i32 %tmp11, %tmp16 ; <i32> [#uses=1]
|
|
%tmp19 = add i32 %tmp18, %tmp14 ; <i32> [#uses=2]
|
|
%tmp21 = lshr i32 %tmp19, 5 ; <i32> [#uses=1]
|
|
%tmp21.upgrd.1 = trunc i32 %tmp21 to i16 ; <i16> [#uses=1]
|
|
%tmp = and i16 %tmp21.upgrd.1, 31775 ; <i16> [#uses=1]
|
|
%tmp23 = lshr i32 %tmp19, 20 ; <i32> [#uses=1]
|
|
%tmp23.upgrd.2 = trunc i32 %tmp23 to i16 ; <i16> [#uses=1]
|
|
%tmp24 = and i16 %tmp23.upgrd.2, 992 ; <i16> [#uses=1]
|
|
%tmp25 = or i16 %tmp, %tmp24 ; <i16> [#uses=1]
|
|
ret i16 %tmp25
|
|
}
|