forked from OSchip/llvm-project
44 lines
1.4 KiB
LLVM
44 lines
1.4 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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; {
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; short a;
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; short b;
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; char c;
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; };
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;
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; struct test_t1 g;
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; int test()
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; {
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; struct test_t1 t1[] = {{50, 500, 5}, {60, 600, 6}, {70, 700, 7}, {80, 800, 8} };
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;
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; g = t1[1];
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; return 0;
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; }
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%struct.test_t1 = type { i16, i16, i8 }
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@test.t1 = private unnamed_addr constant [4 x %struct.test_t1] [%struct.test_t1 { i16 50, i16 500, i8 5 }, %struct.test_t1 { i16 60, i16 600, i8 6 }, %struct.test_t1 { i16 70, i16 700, i8 7 }, %struct.test_t1 { i16 80, i16 800, i8 8 }], align 2
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@g = common local_unnamed_addr global %struct.test_t1 zeroinitializer, align 2
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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* bitcast (%struct.test_t1* @g to i8*), i8* bitcast (%struct.test_t1* getelementptr inbounds ([4 x %struct.test_t1], [4 x %struct.test_t1]* @test.t1, i64 0, i64 1) to i8*), i64 6, i32 2, i1 false)
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; CHECK: r2 = 600
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; CHECK: *(u16 *)(r1 + 2) = r2
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; CHECK: r2 = 60
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; CHECK: *(u16 *)(r1 + 0) = r2
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ret i32 0
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}
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; CHECK .section .rodata,"a",@progbits
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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, i32, i1) #1
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attributes #0 = { nounwind }
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attributes #1 = { argmemonly nounwind }
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