1 ; All of these ands and shifts should be folded into rlw[i]nm instructions
2 ; RUN: llvm-as < %s | llc -march=ppc32 | not grep and &&
3 ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srawi &&
4 ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srwi &&
5 ; RUN: llvm-as < %s | llc -march=ppc32 | not grep slwi &&
6 ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwnm | wc -l | grep 1 &&
7 ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwinm | wc -l | grep 1
9 define i32 @test1(i32 %X, i32 %Y) {
11 %tmp = trunc i32 %Y to i8 ; <i8> [#uses=2]
12 %tmp1 = shl i32 %X, %Y ; <i32> [#uses=1]
13 %tmp2 = sub i32 32, %Y ; <i8> [#uses=1]
14 %tmp3 = lshr i32 %X, %tmp2 ; <i32> [#uses=1]
15 %tmp4 = or i32 %tmp1, %tmp3 ; <i32> [#uses=1]
16 %tmp6 = and i32 %tmp4, 127 ; <i32> [#uses=1]
20 define i32 @test2(i32 %X) {
22 %tmp1 = lshr i32 %X, 27 ; <i32> [#uses=1]
23 %tmp2 = shl i32 %X, 5 ; <i32> [#uses=1]
24 %tmp2.masked = and i32 %tmp2, 96 ; <i32> [#uses=1]
25 %tmp5 = or i32 %tmp1, %tmp2.masked ; <i32> [#uses=1]