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eliminate unnecessary tee+drop in unchecked set

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dcode
2019-03-18 18:27:48 +01:00
parent 0932cf17ed
commit 83566a5512
3 changed files with 43 additions and 50 deletions
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7
src/builtins.ts
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@ -2331,7 +2331,8 @@ export function compileCall(
let flow = compiler.currentFlow;
let alreadyUnchecked = flow.is(FlowFlags.UNCHECKED_CONTEXT);
flow.set(FlowFlags.UNCHECKED_CONTEXT);
let expr = compiler.compileExpressionRetainType(operands[0], contextualType, WrapMode.NONE);
// eliminate unnecessary tees by preferring contextualType(=void):
let expr = compiler.compileExpression(operands[0], contextualType, ConversionKind.NONE, WrapMode.NONE);
if (!alreadyUnchecked) flow.unset(FlowFlags.UNCHECKED_CONTEXT);
return expr;
}
@ -4218,10 +4219,6 @@ export function compileBuiltinArraySetWithValue(
valueExpr: ExpressionRef,
tee: bool
): ExpressionRef {
// TODO: check offset
var program = compiler.program;
var type = assert(compiler.program.determineBuiltinArrayType(target));
var module = compiler.module;