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Rename ScalarType to LaneType.

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The word "scalar" is a bit vague and tends to mean "non-vector". Since
we are about to add new CPU flag value types that can't appear as vector
lanes, make the distinction clear: LaneType represents value types that
can appear as a vector lane.

Also replace the Type::is_scalar() method with an is_vector() method.
This commit is contained in:
Jakob Stoklund Olesen
2017-10-12 10:39:12 -07:00
parent 994af598f5
commit 89a24b2f13
9 changed files with 45 additions and 48 deletions
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2
lib/cretonne/src/legalizer/mod.rs
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@@ -217,7 +217,7 @@ fn expand_select(inst: ir::Inst, func: &mut ir::Function, cfg: &mut ControlFlowG
/// Expand illegal `f32const` and `f64const` instructions.
fn expand_fconst(inst: ir::Inst, func: &mut ir::Function, _cfg: &mut ControlFlowGraph) {
let ty = func.dfg.value_type(func.dfg.first_result(inst));
assert!(ty.is_scalar(), "Only scalar fconst supported: {}", ty);
assert!(!ty.is_vector(), "Only scalar fconst supported: {}", ty);
// In the future, we may want to generate constant pool entries for these constants, but for
// now use an `iconst` and a bit cast.