forked from OSchip/llvm-project
53 lines
1.7 KiB
LLVM
53 lines
1.7 KiB
LLVM
; 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.p0i8.p0i8.i64(i8* getelementptr inbounds (%struct.test_t1, %struct.test_t1* @g1, i64 0, i32 0), i8* getelementptr inbounds (%struct.test_t1, %struct.test_t1* @test.t1, i64 0, i32 0), i64 3, i32 1, i1 false)
|
|
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (%struct.test_t2* @g2 to i8*), i8* bitcast (%struct.test_t2* @test.t2 to i8*), i64 20, i32 4, 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.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { argmemonly nounwind }
|