54 lines
1.5 KiB
LLVM
54 lines
1.5 KiB
LLVM
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; RUN: llc < %s -march=bpfel | FileCheck -check-prefixes=CHECK %s
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; Source code:
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; struct test_t {
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; int a;
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; char b;
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; int c;
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; char d;
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; };
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; void foo(void *);
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; void test() {
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; struct test_t t = {.a = 5};
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; foo(&t);
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; }
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%struct.test_t = type { i32, i8, i32, i8 }
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@test.t = private unnamed_addr constant %struct.test_t { i32 5, i8 0, i32 0, i8 0 }, align 4
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; Function Attrs: nounwind
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define dso_local void @test() local_unnamed_addr #0 {
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; CHECK-LABEL: test:
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%1 = alloca %struct.test_t, align 4
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%2 = bitcast %struct.test_t* %1 to i8*
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call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %2) #3
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 4 %2, i8* align 4 bitcast (%struct.test_t* @test.t to i8*), i64 16, i1 false)
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; CHECK: r1 = 0
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; CHECK: r1 <<= 32
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; CHECK: r2 = r1
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; CHECK: r2 |= 0
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; CHECK: *(u64 *)(r10 - 8) = r2
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; CHECK: r1 |= 5
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; CHECK: *(u64 *)(r10 - 16) = r1
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call void @foo(i8* nonnull %2) #3
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; CHECK: call foo
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call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %2) #3
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ret void
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
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declare dso_local void @foo(i8*) local_unnamed_addr
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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attributes #0 = { nounwind }
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attributes #1 = { argmemonly nounwind }
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attributes #3 = { nounwind }
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