1 ; RUN: llc < %s -mtriple=ve | FileCheck %s
3 %struct.data = type { [4 x i8] }
5 ;;; Check basic usage of rri format load instructions.
6 ;;; Our target is DAG selection mechanism for LD1BSXrri.
7 ;;; We prepared following three styles.
8 ;;; 1. LD1BSXrri with %reg1 + %reg2
9 ;;; 2. LD1BSXrri with %frame-index + %reg
10 ;;; 3. LD1BSXrri with %reg + %frame-index
12 ; Function Attrs: norecurse nounwind readonly
13 define signext i8 @func_rr(ptr nocapture readonly %0, i32 signext %1) {
14 ; CHECK-LABEL: func_rr:
16 ; CHECK-NEXT: sll %s1, %s1, 2
17 ; CHECK-NEXT: ld1b.sx %s0, (%s1, %s0)
18 ; CHECK-NEXT: b.l.t (, %s10)
19 %3 = sext i32 %1 to i64
20 %4 = getelementptr inbounds %struct.data, ptr %0, i64 %3, i32 0, i64 0
21 %5 = load i8, ptr %4, align 1
25 ; Function Attrs: nounwind
26 define signext i8 @func_fr(ptr readonly %0, i32 signext %1) {
27 ; CHECK-LABEL: func_fr:
28 ; CHECK: .LBB{{[0-9]+}}_2:
29 ; CHECK-NEXT: sll %s1, %s1, 2
30 ; CHECK-NEXT: ldl.sx %s0, (%s1, %s0)
31 ; CHECK-NEXT: stl %s0, 8(%s1, %s11)
32 ; CHECK-NEXT: ld1b.sx %s0, 8(%s1, %s11)
33 ; CHECK-NEXT: adds.l %s11, 48, %s11
34 ; CHECK-NEXT: b.l.t (, %s10)
35 %3 = alloca [10 x %struct.data], align 1
36 call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3)
37 %4 = sext i32 %1 to i64
38 %5 = getelementptr inbounds [10 x %struct.data], ptr %3, i64 0, i64 %4, i32 0, i64 0
39 %6 = getelementptr inbounds %struct.data, ptr %0, i64 %4, i32 0, i64 0
40 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %5, ptr align 1 %6, i64 4, i1 true)
41 %7 = load volatile i8, ptr %5, align 1
42 call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3)
46 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
47 declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)
48 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
50 %"basic_string" = type { %union.anon.3, [23 x i8] }
51 %union.anon.3 = type { i8 }
53 define signext i8 @func_rf(ptr readonly %0, i64 %1, i32 signext %2) {
54 ; CHECK-LABEL: func_rf:
55 ; CHECK: .LBB{{[0-9]+}}_2:
56 ; CHECK-NEXT: ld1b.sx %s0, 8(%s1, %s11)
57 ; CHECK-NEXT: adds.l %s11, 32, %s11
58 ; CHECK-NEXT: b.l.t (, %s10)
59 %buf = alloca %"basic_string", align 8
61 %sub631 = add nsw i64 %1, -1
62 %add.ptr.i = getelementptr inbounds %"basic_string", ptr %buf, i64 0, i32 1, i64 %sub631
63 %ret = load i8, ptr %add.ptr.i, align 1