52 lines
1.6 KiB
LLVM
52 lines
1.6 KiB
LLVM
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; RUN: llc < %s -march=bpfel -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -march=bpfeb -verify-machineinstrs | FileCheck %s
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; Source code:
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; struct test_t1 {
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; char a;
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; int b;
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; };
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; struct test_t2 {
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; char a, b;
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; struct test_t1 c[2];
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; int d[2];
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; int e;
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; };
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; struct test_t2 g;
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; int test()
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; {
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; struct test_t2 t2 = {.c = {{}, {.b = 1}}, .d = {2, 3}};
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; g = t2;
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; return 0;
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; }
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%struct.test_t2 = type { i8, i8, [2 x %struct.test_t1], [2 x i32], i32 }
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%struct.test_t1 = type { i8, i32 }
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@test.t2 = private unnamed_addr constant %struct.test_t2 { i8 0, i8 0, [2 x %struct.test_t1] [%struct.test_t1 zeroinitializer, %struct.test_t1 { i8 0, i32 1 }], [2 x i32] [i32 2, i32 3], i32 0 }, align 4
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@g = common local_unnamed_addr global %struct.test_t2 zeroinitializer, align 4
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; Function Attrs: nounwind
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define i32 @test() local_unnamed_addr #0 {
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; CHECK-LABEL: test:
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 getelementptr inbounds (%struct.test_t2, %struct.test_t2* @g, i64 0, i32 0), i8* align 4 getelementptr inbounds (%struct.test_t2, %struct.test_t2* @test.t2, i64 0, i32 0), i64 32, i1 false)
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; CHECK: r1 = g
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; CHECK: r2 = 0
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; CHECK: *(u32 *)(r1 + 28) = r2
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; CHECK: r3 = 3
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; CHECK: *(u32 *)(r1 + 24) = r3
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; CHECK: r3 = 2
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; CHECK: *(u32 *)(r1 + 20) = r3
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; CHECK: r3 = 1
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; CHECK: *(u32 *)(r1 + 16) = r3
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ret i32 0
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}
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; CHECK: .section .rodata.cst32,"aM",@progbits,32
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
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attributes #0 = { nounwind }
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attributes #1 = { argmemonly nounwind }
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