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stage2: implement cmp_vector for LLVM backend

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William Sengir 2022-03-19 23:49:53 -07:00 committed by Andrew Kelley
parent 0f48307041
commit b96699059c
1 changed files with 15 additions and 5 deletions
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20
src/codegen/llvm.zig
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@ -3642,8 +3642,17 @@ pub const FuncGen = struct {
}
fn airCmpVector(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value {
_ = inst;
return self.todo("implement airCmpVector");
if (self.liveness.isUnused(inst)) return null;
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.VectorCmp, ty_pl.payload).data;
const lhs = try self.resolveInst(extra.lhs);
const rhs = try self.resolveInst(extra.rhs);
const vec_ty = self.air.typeOf(extra.lhs);
const cmp_op = extra.compareOperator();
return self.cmp(lhs, rhs, vec_ty, cmp_op);
}
fn cmp(
@ -3656,9 +3665,10 @@ pub const FuncGen = struct {
var int_buffer: Type.Payload.Bits = undefined;
var opt_buffer: Type.Payload.ElemType = undefined;
const int_ty = switch (operand_ty.zigTypeTag()) {
.Enum => operand_ty.intTagType(&int_buffer),
.Int, .Bool, .Pointer, .ErrorSet => operand_ty,
const scalar_ty = operand_ty.scalarType();
const int_ty = switch (scalar_ty.zigTypeTag()) {
.Enum => scalar_ty.intTagType(&int_buffer),
.Int, .Bool, .Pointer, .ErrorSet => scalar_ty,
.Optional => blk: {
const payload_ty = operand_ty.optionalChild(&opt_buffer);
if (!payload_ty.hasRuntimeBitsIgnoreComptime() or operand_ty.isPtrLikeOptional()) {