3 target triple = "x86_64-apple-macosx10.7"
5 ; This test case extracts a sub_8bit_hi sub-register:
7 ; %R8B<def> = COPY %BH, %EBX<imp-use,kill>
8 ; %ESI<def> = MOVZX32_NOREXrr8 %R8B<kill>
10 ; The register allocation above is invalid, %BH can only be encoded without an
11 ; REX prefix, so the destination register must be GR8_NOREX. The code above
12 ; triggers an assertion in copyPhysReg.
14 ; <rdar://problem/10248099>
16 define void @f() nounwind uwtable ssp {
18 %0 = load i32* undef, align 4
20 %conv1 = trunc i32 %add to i16
21 %bf.value = and i16 %conv1, 255
22 %1 = and i16 %bf.value, 255
24 %3 = load i16* undef, align 1
27 store i16 %5, i16* undef, align 1
28 %6 = load i16* undef, align 1
30 %bf.clear2 = and i16 %7, 255
31 %conv3 = zext i16 %bf.clear2 to i32
32 %rem = srem i32 %conv3, 15
33 %conv4 = trunc i32 %rem to i16
34 %bf.value5 = and i16 %conv4, 255
35 %8 = and i16 %bf.value5, 255
37 %10 = or i16 undef, %9
38 store i16 %10, i16* undef, align 1
42 ; This test case extracts a sub_8bit_hi sub-register:
44 ; %vreg2<def> = COPY %vreg1:sub_8bit_hi; GR8:%vreg2 GR64_ABCD:%vreg1
45 ; TEST8ri %vreg2, 1, %EFLAGS<imp-def>; GR8:%vreg2
47 ; %vreg2 must be constrained to GR8_NOREX, or the COPY could become impossible.
51 define fastcc i32 @g(i64 %FB) nounwind uwtable readnone align 2 {
53 %and32 = and i64 %FB, 256
54 %cmp33 = icmp eq i64 %and32, 0
55 %Features.6.or35 = select i1 %cmp33, i32 0, i32 undef
56 %cmp38 = icmp eq i64 undef, 0
57 %or40 = or i32 %Features.6.or35, 4
58 %Features.8 = select i1 %cmp38, i32 %Features.6.or35, i32 %or40
59 %and42 = and i64 %FB, 32
60 %or45 = or i32 %Features.8, 2
61 %cmp43 = icmp eq i64 %and42, 0
62 %Features.8.or45 = select i1 %cmp43, i32 %Features.8, i32 %or45
63 %and47 = and i64 %FB, 8192
64 %cmp48 = icmp eq i64 %and47, 0
65 %or50 = or i32 %Features.8.or45, 32
66 %Features.10 = select i1 %cmp48, i32 %Features.8.or45, i32 %or50
67 %or55 = or i32 %Features.10, 64
68 %Features.10.or55 = select i1 undef, i32 %Features.10, i32 %or55
69 %and57 = lshr i64 %FB, 2
70 %and57.tr = trunc i64 %and57 to i32
71 %or60 = and i32 %and57.tr, 1
72 %Features.12 = or i32 %Features.10.or55, %or60
73 %and62 = and i64 %FB, 128
74 %or65 = or i32 %Features.12, 8
75 %cmp63 = icmp eq i64 %and62, 0
76 %Features.12.or65 = select i1 %cmp63, i32 %Features.12, i32 %or65
77 %Features.14 = select i1 undef, i32 undef, i32 %Features.12.or65
78 %Features.16 = select i1 undef, i32 undef, i32 %Features.14