bjoernager/rust
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Merge commit '598f090956' into sync_cg_clif-2023-01-24

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This commit is contained in:
bjorn3 2023-01-24 18:56:42 +01:00
commit b829bb7431
45 changed files with 1139 additions and 1108 deletions
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4
compiler/rustc_codegen_cranelift/src/optimize/peephole.rs
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@ -7,7 +7,7 @@ use cranelift_frontend::FunctionBuilder;
/// otherwise return the given value and false.
pub(crate) fn maybe_unwrap_bool_not(bcx: &mut FunctionBuilder<'_>, arg: Value) -> (Value, bool) {
if let ValueDef::Result(arg_inst, 0) = bcx.func.dfg.value_def(arg) {
match bcx.func.dfg[arg_inst] {
match bcx.func.dfg.insts[arg_inst] {
// This is the lowering of `Rvalue::Not`
InstructionData::IntCompareImm {
opcode: Opcode::IcmpImm,
@ -34,7 +34,7 @@ pub(crate) fn maybe_known_branch_taken(
return None;
};
match bcx.func.dfg[arg_inst] {
match bcx.func.dfg.insts[arg_inst] {
InstructionData::UnaryImm { opcode: Opcode::Iconst, imm } => {
if test_zero {
Some(imm.bits() == 0)