1; RUN: llc < %s -mtriple=bpfel -mcpu=v1 -verify-machineinstrs | FileCheck %s 2; RUN: llc < %s -mtriple=bpfeb -mcpu=v1 -verify-machineinstrs | FileCheck %s 3 4; Source code: 5; struct test_t1 { 6; char a, b, c; 7; }; 8; struct test_t2 { 9; int a, b, c, d, e; 10; }; 11; 12; struct test_t1 g1; 13; struct test_t2 g2; 14; int test() 15; { 16; struct test_t1 t1 = {.c = 1}; 17; struct test_t2 t2 = {.c = 1}; 18; g1 = t1; 19; g2 = t2; 20; return 0; 21; } 22 23%struct.test_t1 = type { i8, i8, i8 } 24%struct.test_t2 = type { i32, i32, i32, i32, i32 } 25 26@test.t1 = private unnamed_addr constant %struct.test_t1 { i8 0, i8 0, i8 1 }, align 1 27@test.t2 = private unnamed_addr constant %struct.test_t2 { i32 0, i32 0, i32 1, i32 0, i32 0 }, align 4 28@g1 = common local_unnamed_addr global %struct.test_t1 zeroinitializer, align 1 29@g2 = common local_unnamed_addr global %struct.test_t2 zeroinitializer, align 4 30 31; Function Attrs: nounwind 32define i32 @test() local_unnamed_addr #0 { 33; CHECK-LABEL: test: 34 35entry: 36 tail call void @llvm.memcpy.p0.p0.i64(ptr @g1, ptr @test.t1, i64 3, i1 false) 37 tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @g2, ptr align 4 @test.t2, i64 20, i1 false) 38; CHECK: r1 = g1 39; CHECK: r2 = 0 40; CHECK: *(u8 *)(r1 + 1) = r2 41; CHECK: r3 = 1 42; CHECK: *(u8 *)(r1 + 2) = r3 43; CHECK: r1 = g2 44; CHECK: *(u32 *)(r1 + 8) = r3 45 ret i32 0 46} 47; CHECK: .section .rodata,"a",@progbits 48 49declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 50 51attributes #0 = { nounwind } 52attributes #1 = { argmemonly nounwind } 53