bjoernager/rust
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Generalize the Assume intrinsic statement to a general Intrinsic statement

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This commit is contained in:
Oli Scherer 2022-07-12 10:05:00 +00:00
parent 3f07645120
commit b7413511dc
28 changed files with 166 additions and 143 deletions
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19
compiler/rustc_codegen_ssa/src/mir/statement.rs
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@ -1,4 +1,5 @@
use rustc_middle::mir;
use rustc_middle::mir::NonDivergingIntrinsic;
use super::FunctionCx;
use super::LocalRef;
@ -73,11 +74,14 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
self.codegen_coverage(&mut bx, coverage.clone(), statement.source_info.scope);
bx
}
mir::StatementKind::CopyNonOverlapping(box mir::CopyNonOverlapping {
ref src,
ref dst,
ref count,
}) => {
mir::StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(ref op)) => {
let op_val = self.codegen_operand(&mut bx, op);
bx.assume(op_val.immediate());
bx
}
mir::StatementKind::Intrinsic(box NonDivergingIntrinsic::CopyNonOverlapping(
mir::CopyNonOverlapping { ref count, ref src, ref dst },
)) => {
let dst_val = self.codegen_operand(&mut bx, dst);
let src_val = self.codegen_operand(&mut bx, src);
let count = self.codegen_operand(&mut bx, count).immediate();
@ -93,11 +97,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
bx.memcpy(dst, align, src, align, bytes, crate::MemFlags::empty());
bx
}
mir::StatementKind::Assume(box ref op) => {
let op_val = self.codegen_operand(&mut bx, op);
bx.assume(op_val.immediate());
bx
}
mir::StatementKind::FakeRead(..)
| mir::StatementKind::Retag { .. }
| mir::StatementKind::AscribeUserType(..)