8f9f8210c1
since bpf instruction set was introduced people learned to read and understand kernel verifier output whereas llvm asm output stayed obscure and unknown. Convert llvm to emit assembler text similar to kernel to avoid this discrepancy Signed-off-by: Alexei Starovoitov <ast@kernel.org> llvm-svn: 287300
49 lines
869 B
LLVM
49 lines
869 B
LLVM
; RUN: llc < %s -march=bpfel | FileCheck %s
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define void @test() #0 {
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entry:
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; CHECK: test:
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; CHECK: call f_i16
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; CHECK: *(u16 *)(r1 + 0) = r0
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%0 = call i16 @f_i16()
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store volatile i16 %0, i16* @g_i16
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; CHECK: call f_i32
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; CHECK: *(u32 *)(r1 + 0) = r0
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%1 = call i32 @f_i32()
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store volatile i32 %1, i32* @g_i32
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; CHECK: call f_i64
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; CHECK: *(u64 *)(r1 + 0) = r0
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%2 = call i64 @f_i64()
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store volatile i64 %2, i64* @g_i64
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ret void
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}
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@g_i16 = common global i16 0, align 2
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@g_i32 = common global i32 0, align 2
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@g_i64 = common global i64 0, align 2
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define i16 @f_i16() #0 {
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; CHECK: f_i16:
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; CHECK: r0 = 1
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; CHECK: exit
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ret i16 1
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}
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define i32 @f_i32() #0 {
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; CHECK: f_i32:
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; CHECK: r0 = 16909060
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; CHECK: exit
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ret i32 16909060
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}
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define i64 @f_i64() #0 {
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; CHECK: f_i64:
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; CHECK: r0 = 72623859790382856ll
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; CHECK: exit
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ret i64 72623859790382856
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}
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