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compiler: fix string compare functions

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Before:
	x < x false
	x <= x true
	x == x true
	x >= x false
	x > x true

After:
	x < x false
	x <= x true
	x == x true
	x >= x true
	x > x false
This commit is contained in:
Damian Gryski
2021-11-17 13:35:10 -08:00
committed by Ron Evans
parent bf0b05e32c
commit aeddcd9c5f
1 changed files with 5 additions and 5 deletions
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compiler/compiler.go
+5 -5
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@@ -2276,16 +2276,16 @@ func (b *builder) createBinOp(op token.Token, typ, ytyp types.Type, x, y llvm.Va
case token.NEQ: // !=
result := b.createRuntimeCall("stringEqual", []llvm.Value{x, y}, "")
return b.CreateNot(result, ""), nil
case token.LSS: // <
case token.LSS: // x < y
return b.createRuntimeCall("stringLess", []llvm.Value{x, y}, ""), nil
case token.LEQ: // <=
case token.LEQ: // x <= y becomes NOT (y < x)
result := b.createRuntimeCall("stringLess", []llvm.Value{y, x}, "")
return b.CreateNot(result, ""), nil
case token.GTR: // >
case token.GTR: // x > y becomes y < x
return b.createRuntimeCall("stringLess", []llvm.Value{y, x}, ""), nil
case token.GEQ: // x >= y becomes NOT (x < y)
result := b.createRuntimeCall("stringLess", []llvm.Value{x, y}, "")
return b.CreateNot(result, ""), nil
case token.GEQ: // >=
return b.createRuntimeCall("stringLess", []llvm.Value{y, x}, ""), nil
default:
panic("binop on string: " + op.String())
}