1 ; RUN: llc < %s -march=bpfel -verify-machineinstrs | FileCheck %s
2 ; RUN: llc < %s -march=bpfeb -verify-machineinstrs | FileCheck %s
9 ; unsigned long long c = 333333333333ULL;
10 ; asm volatile("r0 = *(u16 *)skb[%0]" : : "i"(2));
11 ; asm volatile("r0 = *(u16 *)skb[%0]" : : "r"(a));
12 ; asm volatile("%0 = %1" : "=r"(b) : "i"(4));
13 ; asm volatile("%0 = %1 ll" : "=r"(b) : "i"(c));
14 ; asm volatile("%0 = *(u16 *) %1" : "=r"(b) : "m"(a));
15 ; asm volatile("%0 = *(u32 *) %1" : "=r"(b) : "m"(g[1]));
20 @g = common global [2 x i32] zeroinitializer, align 4
22 ; Function Attrs: nounwind
23 define i32 @test(ptr nocapture readnone %ctx) local_unnamed_addr #0 {
25 %a = alloca i32, align 4
26 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %a) #2
27 store i32 4, ptr %a, align 4
28 tail call void asm sideeffect "r0 = *(u16 *)skb[$0]", "i"(i32 2) #2
29 ; CHECK: r0 = *(u16 *)skb[2]
30 tail call void asm sideeffect "r0 = *(u16 *)skb[$0]", "r"(i32 4) #2
31 ; CHECK: r0 = *(u16 *)skb[r1]
32 %0 = tail call i32 asm sideeffect "$0 = $1", "=r,i"(i32 4) #2
34 %1 = tail call i32 asm sideeffect "$0 = $1 ll", "=r,i"(i64 333333333333) #2
35 ; CHECK: r1 = 333333333333 ll
36 %2 = call i32 asm sideeffect "$0 = *(u16 *) $1", "=r,*m"(ptr elementtype(i32) nonnull %a) #2
37 ; CHECK: r1 = *(u16 *)(r10 - 4)
38 %3 = call i32 asm sideeffect "$0 = *(u32 *) $1", "=r,*m"(ptr elementtype(i32) getelementptr inbounds ([2 x i32], ptr @g, i64 0, i64 1)) #2
40 ; CHECK: r0 = *(u32 *)(r1 + 4)
41 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %a) #2
45 ; Function Attrs: argmemonly nounwind
46 declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1
48 ; Function Attrs: argmemonly nounwind
49 declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1
51 attributes #0 = { nounwind }
52 attributes #1 = { argmemonly nounwind }
53 attributes #2 = { nounwind }