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machinst x64: remove dead code and allow(dead_code) annotation;

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The BranchTarget is always used as a label, so just use a plain
MachLabel in this case.
This commit is contained in:
Benjamin Bouvier
2020-10-07 13:31:29 +02:00
parent e32e6fb612
commit a470f1e0cd
7 changed files with 90 additions and 165 deletions
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18
cranelift/codegen/src/isa/x64/inst/emit_tests.rs
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@@ -1766,17 +1766,9 @@ fn test_x64_emit() {
"lea 179(%r10,%r9,1), %r8",
));
insns.push((
Inst::lea(Amode::rip_relative(BranchTarget::ResolvedOffset(0)), w_rdi),
Inst::lea(Amode::rip_relative(MachLabel::from_block(0)), w_rdi),
"488D3D00000000",
"lea 0(%rip), %rdi",
));
insns.push((
Inst::lea(
Amode::rip_relative(BranchTarget::ResolvedOffset(1337)),
w_r15,
),
"4C8D3D39050000",
"lea 1337(%rip), %r15",
"lea label0(%rip), %rdi",
));
// ========================================================
@@ -3676,7 +3668,13 @@ fn test_x64_emit() {
assert_eq!(expected_printing, actual_printing);
let mut sink = test_utils::TestCodeSink::new();
let mut buffer = MachBuffer::new();
insn.emit(&mut buffer, &emit_info, &mut Default::default());
// Allow one label just after the instruction (so the offset is 0).
let label = buffer.get_label();
buffer.bind_label(label);
let buffer = buffer.finish();
buffer.emit(&mut sink);
let actual_encoding = &sink.stringify();