xref: /llvm-project/llvm/test/CodeGen/MSP430/InstII.ll (revision 171056ff5778c40df916c5a4cea84ea6320b965f)
1; RUN: llc -mtriple=msp430 < %s | FileCheck %s
2target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
3target triple = "msp430-generic-generic"
4
5define void @rra8m(ptr %i) {
6entry:
7; CHECK-LABEL: rra8m:
8; CHECK: rra.b 2(r12)
9  %0 = getelementptr inbounds i8, ptr %i, i16 2
10  %1 = load i8, ptr %0, align 1
11  %shr = ashr i8 %1, 1
12  store i8 %shr, ptr %0, align 1
13  ret void
14}
15
16define void @rra16m(ptr %i) {
17entry:
18; CHECK-LABEL: rra16m:
19; CHECK: rra 4(r12)
20  %0 = getelementptr inbounds i16, ptr %i, i16 2
21  %1 = load i16, ptr %0, align 2
22  %shr = ashr i16 %1, 1
23  store i16 %shr, ptr %0, align 2
24  ret void
25}
26
27; TODO: `clrc; rrc.b 2(r12)` is expected
28define void @rrc8m(ptr %g) {
29entry:
30; CHECK-LABEL: rrc8m:
31; CHECK: mov.b 2(r12), r13
32; CHECK: clrc
33; CHECK: rrc.b r13
34; CHECK: mov.b r13, 2(r12)
35  %add.ptr = getelementptr inbounds i8, ptr %g, i16 2
36  %0 = load i8, ptr %add.ptr, align 1
37  %1 = lshr i8 %0, 1
38  store i8 %1, ptr %add.ptr, align 1
39  ret void
40}
41
42; TODO: `clrc; rrc 4(r12)` is expected
43define void @rrc16m(ptr %g) {
44entry:
45; CHECK-LABEL: rrc16m:
46; CHECK: mov 4(r12), r13
47; CHECK: clrc
48; CHECK: rrc r13
49; CHECK: mov r13, 4(r12)
50  %add.ptr = getelementptr inbounds i16, ptr %g, i16 2
51  %0 = load i16, ptr %add.ptr, align 2
52  %shr = lshr i16 %0, 1
53  store i16 %shr, ptr %add.ptr, align 2
54  ret void
55}
56
57define void @sxt16m(ptr %x) {
58entry:
59; CHECK-LABEL: sxt16m:
60; CHECK: sxt 4(r12)
61  %add.ptr = getelementptr inbounds i16, ptr %x, i16 2
62  %0 = bitcast ptr %add.ptr to ptr
63  %1 = load i8, ptr %0, align 1
64  %conv = sext i8 %1 to i16
65  store i16 %conv, ptr %add.ptr, align 2
66  ret void
67}
68
69