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1; RUN: llc < %s -mtriple=bpfel -verify-machineinstrs | FileCheck %s2; RUN: llc < %s -mtriple=bpfeb -verify-machineinstrs | FileCheck %s3 4; Source code:5; int g[2];6;7; int test(ptr ctx) {8; int a = 4, b;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]));16; return b;17; }18;19 20@g = common global [2 x i32] zeroinitializer, align 421 22; Function Attrs: nounwind23define i32 @test(ptr nocapture readnone %ctx) local_unnamed_addr #0 {24entry:25 %a = alloca i32, align 426 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %a) #227 store i32 4, ptr %a, align 428 tail call void asm sideeffect "r0 = *(u16 *)skb[$0]", "i"(i32 2) #229; CHECK: r0 = *(u16 *)skb[2]30 tail call void asm sideeffect "r0 = *(u16 *)skb[$0]", "r"(i32 4) #231; CHECK: r0 = *(u16 *)skb[r1]32 %0 = tail call i32 asm sideeffect "$0 = $1", "=r,i"(i32 4) #233; CHECK: r1 = 434 %1 = tail call i32 asm sideeffect "$0 = $1 ll", "=r,i"(i64 333333333333) #235; CHECK: r1 = 333333333333 ll36 %2 = call i32 asm sideeffect "$0 = *(u16 *) $1", "=r,*m"(ptr elementtype(i32) nonnull %a) #237; 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)) #239; CHECK: r1 = g ll40; CHECK: r0 = *(u32 *)(r1 + 4)41 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %a) #242 ret i32 %343}44 45; Function Attrs: argmemonly nounwind46declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #147 48; Function Attrs: argmemonly nounwind49declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #150 51attributes #0 = { nounwind }52attributes #1 = { argmemonly nounwind }53attributes #2 = { nounwind }54