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llvm-mirror/test/CodeGen/BPF/basictest.ll
Alexei Starovoitov 719b0399a8 convert bpf assembler to look like kernel verifier output
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
2016-11-18 02:32:35 +00:00

29 lines
597 B
LLVM

; RUN: llc < %s -march=bpfel | FileCheck %s
define i32 @test0(i32 %X) {
%tmp.1 = add i32 %X, 1
ret i32 %tmp.1
; CHECK-LABEL: test0:
; CHECK: r1 += 1
}
; CHECK-LABEL: store_imm:
; CHECK: *(u32 *)(r1 + 0) = r{{[03]}}
; CHECK: *(u32 *)(r2 + 4) = r{{[03]}}
define i32 @store_imm(i32* %a, i32* %b) {
entry:
store i32 0, i32* %a, align 4
%0 = getelementptr inbounds i32, i32* %b, i32 1
store i32 0, i32* %0, align 4
ret i32 0
}
@G = external global i8
define zeroext i8 @loadG() {
%tmp = load i8, i8* @G
ret i8 %tmp
; CHECK-LABEL: loadG:
; CHECK: r1 =
; CHECK: r0 = *(u8 *)(r1 + 0)
}