rodata_3.ll
1.38 KB
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; REQUIRES: x86_64-linux
; RUN: llc < %s -march=bpfel -verify-machineinstrs | FileCheck --check-prefix=CHECK-EL %s
; RUN: llc < %s -march=bpfeb -verify-machineinstrs | FileCheck --check-prefix=CHECK-EB %s
;
; This test requires little-endian host, so we specific x86_64-linux here.
; Source code:
; struct test_t1 {
; char a;
; int b, c, d;
; };
;
; struct test_t1 g;
; int test()
; {
; struct test_t1 t1 = {.a = 1};
; g = t1;
; return 0;
; }
%struct.test_t1 = type { i8, i32, i32, i32 }
@test.t1 = private unnamed_addr constant %struct.test_t1 { i8 1, i32 0, i32 0, i32 0 }, align 4
@g = common local_unnamed_addr global %struct.test_t1 zeroinitializer, align 4
; Function Attrs: nounwind
define i32 @test() local_unnamed_addr #0 {
entry:
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 getelementptr inbounds (%struct.test_t1, %struct.test_t1* @g, i64 0, i32 0), i8* align 4 getelementptr inbounds (%struct.test_t1, %struct.test_t1* @test.t1, i64 0, i32 0), i64 16, i1 false)
; CHECK-EL: r2 = 1
; CHECK-EL: *(u32 *)(r1 + 0) = r2
; CHECK-EB: r2 = 16777216
; CHECK-EB: *(u32 *)(r1 + 0) = r2
ret i32 0
}
; CHECK-EL: .section .rodata.cst16,"aM",@progbits,16
; CHECK-EB: .section .rodata.cst16,"aM",@progbits,16
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }