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more intuitive left shift and right shift operators

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Before:
 * << is left shift, not allowed to shift 1 bits out
 * <<% is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out

After:
 * << is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out
 * @shlExact is left shift, not allowed to shift 1 bits out
 * @shrExact is right shift, not allowed to shift 1 bits out

Closes #413
This commit is contained in:
Andrew Kelley
2017-08-09 10:09:38 -04:00
parent 54675b060a
commit 35d3444e27
28 changed files with 274 additions and 128 deletions
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10
src/ir_print.cpp
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@@ -92,12 +92,14 @@ static const char *ir_bin_op_id_str(IrBinOp op_id) {
return "^";
case IrBinOpBinAnd:
return "&";
case IrBinOpBitShiftLeft:
case IrBinOpBitShiftLeftLossy:
return "<<";
case IrBinOpBitShiftLeftWrap:
return "<<%";
case IrBinOpBitShiftRight:
case IrBinOpBitShiftLeftExact:
return "@shlExact";
case IrBinOpBitShiftRightLossy:
return ">>";
case IrBinOpBitShiftRightExact:
return "@shrExact";
case IrBinOpAdd:
return "+";
case IrBinOpAddWrap: