llvm.org GIT mirror llvm / 2bbcca3
Update rlwimi tests to catch all the cases we care about git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22623 91177308-0d34-0410-b5e6-96231b3b80d8 Nate Begeman 15 years ago
2 changed file(s) with 42 addition(s) and 2 deletion(s). Raw diff Collapse all Expand all
0 ; All of these ands and shifts should be folded into rlwimi's
1 ; RUN: llvm-as < rlwimi.ll | llc -march=ppc32 | not grep and
1 ; RUN: llvm-as < rlwimi.ll | llc -march=ppc32 | not grep and &&
2 ; RUN: llvm-as < rlwimi.ll | llc -march=ppc32 | grep rlwimi | wc -l | grep 8
23
34 implementation ; Functions:
45
5253 ret int %tmp.9
5354 }
5455
55 int %test9(int %x, int %y) {
56 int %test7(int %x, int %y) {
5657 entry:
5758 %tmp.2 = and int %x, -65536 ; [#uses=1]
5859 %tmp.5 = and int %y, 65535 ; [#uses=1]
5960 %tmp.7 = or int %tmp.5, %tmp.2 ; [#uses=1]
6061 ret int %tmp.7
6162 }
63
64 uint %test8(uint %bar) {
65 entry:
66 %tmp.3 = shl uint %bar, ubyte 1 ; [#uses=1]
67 %tmp.4 = and uint %tmp.3, 2 ; [#uses=1]
68 %tmp.6 = and uint %bar, 4294967293 ; [#uses=1]
69 %tmp.7 = or uint %tmp.4, %tmp.6 ; [#uses=1]
70 ret uint %tmp.7
71 }
0 ; All of these ands and shifts should be folded into rlwimi's
1 ; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | grep rlwimi | wc -l | grep 3 &&
2 ; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | grep srwi | wc -l | grep 1 &&
3 ; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | not grep slwi
4
5 implementation ; Functions:
6
7 ushort %test1(uint %srcA, uint %srcB, uint %alpha) {
8 entry:
9 %tmp.1 = shl uint %srcA, ubyte 15 ; [#uses=1]
10 %tmp.4 = and uint %tmp.1, 32505856 ; [#uses=1]
11 %tmp.6 = and uint %srcA, 31775 ; [#uses=1]
12 %tmp.7 = or uint %tmp.4, %tmp.6 ; [#uses=1]
13 %tmp.9 = shl uint %srcB, ubyte 15 ; [#uses=1]
14 %tmp.12 = and uint %tmp.9, 32505856 ; [#uses=1]
15 %tmp.14 = and uint %srcB, 31775 ; [#uses=1]
16 %tmp.15 = or uint %tmp.12, %tmp.14 ; [#uses=1]
17 %tmp.18 = mul uint %tmp.7, %alpha ; [#uses=1]
18 %tmp.20 = sub uint 32, %alpha ; [#uses=1]
19 %tmp.22 = mul uint %tmp.15, %tmp.20 ; [#uses=1]
20 %tmp.23 = add uint %tmp.22, %tmp.18 ; [#uses=2]
21 %tmp.27 = shr uint %tmp.23, ubyte 5 ; [#uses=1]
22 %tmp.28 = cast uint %tmp.27 to ushort ; [#uses=1]
23 %tmp.29 = and ushort %tmp.28, 31775 ; [#uses=1]
24 %tmp.33 = shr uint %tmp.23, ubyte 20 ; [#uses=1]
25 %tmp.34 = cast uint %tmp.33 to ushort ; [#uses=1]
26 %tmp.35 = and ushort %tmp.34, 992 ; [#uses=1]
27 %tmp.36 = or ushort %tmp.29, %tmp.35 ; [#uses=1]
28 ret ushort %tmp.36
29 }