diff options
Diffstat (limited to 'test/CodeGen/BPF/rodata_4.ll')
| -rw-r--r-- | test/CodeGen/BPF/rodata_4.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/BPF/rodata_4.ll b/test/CodeGen/BPF/rodata_4.ll new file mode 100644 index 000000000000..d6b9fba5be0a --- /dev/null +++ b/test/CodeGen/BPF/rodata_4.ll @@ -0,0 +1,43 @@ +; RUN: llc < %s -march=bpfel -verify-machineinstrs | FileCheck %s +; RUN: llc < %s -march=bpfeb -verify-machineinstrs | FileCheck %s + +; Source code: +; struct test_t1 +; { +; short a; +; short b; +; char c; +; }; +; +; struct test_t1 g; +; int test() +; { +; struct test_t1 t1[] = {{50, 500, 5}, {60, 600, 6}, {70, 700, 7}, {80, 800, 8} }; +; +; g = t1[1]; +; return 0; +; } + +%struct.test_t1 = type { i16, i16, i8 } + +@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 +@g = common local_unnamed_addr global %struct.test_t1 zeroinitializer, align 2 + +; Function Attrs: nounwind +define i32 @test() local_unnamed_addr #0 { +; CHECK-LABEL: test: +entry: + 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) +; CHECK: r2 = 600 +; CHECK: *(u16 *)(r1 + 2) = r2 +; CHECK: r2 = 60 +; CHECK: *(u16 *)(r1 + 0) = r2 + ret i32 0 +} +; CHECK .section .rodata,"a",@progbits + +; Function Attrs: argmemonly nounwind +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1 + +attributes #0 = { nounwind } +attributes #1 = { argmemonly nounwind } |