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1; RUN: llc < %s -mtriple=bpfel -mattr=+alu32 -verify-machineinstrs | FileCheck %s2; RUN: llc < %s -mtriple=bpfeb -mattr=+alu32 -verify-machineinstrs | FileCheck %s3;4; Source Code:5; struct t {6; unsigned char a;7; unsigned char b;8; unsigned char c;9; };10; extern void foo(ptr);11; int test() {12; struct t v = {13; .b = 2,14; };15; foo(&v);16; return 0;17; }18; Compilation flag:19; clang -target bpf -O2 -S -emit-llvm t.c20 21%struct.t = type { i8, i8, i8 }22 23@__const.test.v = private unnamed_addr constant %struct.t { i8 0, i8 2, i8 0 }, align 124 25; Function Attrs: nounwind26define dso_local i32 @test() local_unnamed_addr {27entry:28 %v1 = alloca [3 x i8], align 129 call void @llvm.lifetime.start.p0(i64 3, ptr nonnull %v1)30 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 dereferenceable(3) %v1, ptr nonnull align 1 dereferenceable(3) @__const.test.v, i64 3, i1 false)31 call void @foo(ptr nonnull %v1)32 call void @llvm.lifetime.end.p0(i64 3, ptr nonnull %v1)33 ret i32 034}35; CHECK-NOT: w{{[0-9]+}} = *(u16 *)36; CHECK-NOT: w{{[0-9]+}} = *(u8 *)37; CHECK: *(u16 *)(r10 - 4) = w{{[0-9]+}}38; CHECK: *(u8 *)(r10 - 2) = w{{[0-9]+}}39 40; Function Attrs: argmemonly nounwind willreturn41declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)42 43; Function Attrs: argmemonly nounwind willreturn44declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)45 46declare dso_local void @foo(ptr) local_unnamed_addr47 48; Function Attrs: argmemonly nounwind willreturn49declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)50