| ; RUN: llc < %s -march=bpfel -verify-machineinstrs | FileCheck %s |
| ; RUN: llc < %s -march=bpfeb -verify-machineinstrs | FileCheck %s |
| |
| ; Source code: |
| ; struct test_t1 { |
| ; char a, b, c; |
| ; }; |
| ; struct test_t2 { |
| ; int a, b, c, d, e; |
| ; }; |
| ; |
| ; struct test_t1 g1; |
| ; struct test_t2 g2; |
| ; int test() |
| ; { |
| ; struct test_t1 t1 = {.c = 1}; |
| ; struct test_t2 t2 = {.c = 1}; |
| ; g1 = t1; |
| ; g2 = t2; |
| ; return 0; |
| ; } |
| |
| %struct.test_t1 = type { i8, i8, i8 } |
| %struct.test_t2 = type { i32, i32, i32, i32, i32 } |
| |
| @test.t1 = private unnamed_addr constant %struct.test_t1 { i8 0, i8 0, i8 1 }, align 1 |
| @test.t2 = private unnamed_addr constant %struct.test_t2 { i32 0, i32 0, i32 1, i32 0, i32 0 }, align 4 |
| @g1 = common local_unnamed_addr global %struct.test_t1 zeroinitializer, align 1 |
| @g2 = common local_unnamed_addr global %struct.test_t2 zeroinitializer, align 4 |
| |
| ; Function Attrs: nounwind |
| define i32 @test() local_unnamed_addr #0 { |
| ; CHECK-LABEL: test: |
| |
| entry: |
| tail call void @llvm.memcpy.p0.p0.i64(ptr @g1, ptr @test.t1, i64 3, i1 false) |
| tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @g2, ptr align 4 @test.t2, i64 20, i1 false) |
| ; CHECK: r1 = g1 |
| ; CHECK: r2 = 0 |
| ; CHECK: *(u8 *)(r1 + 1) = r2 |
| ; CHECK: r3 = 1 |
| ; CHECK: *(u8 *)(r1 + 2) = r3 |
| ; CHECK: r1 = g2 |
| ; CHECK: *(u32 *)(r1 + 8) = r3 |
| ret i32 0 |
| } |
| ; CHECK: .section .rodata,"a",@progbits |
| |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { argmemonly nounwind } |