85ce814689
This PR fixes constant folding for UIntX in the code generator. This optimization was previously simply dead code due to the way that uint literals are encoded.
28 lines
659 B
Text
28 lines
659 B
Text
/-!
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This test is a regression for issue #10443 where the RC analysis would wrongfully insert ref counts
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for large `UInt64` constants.
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-/
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def gSize : UInt64 := 0x8000000000000000
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/--
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trace: [Compiler.IR] [result]
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def mwe (x_1 : u64) : u64 :=
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let x_2 : u64 := 9223372036854775808;
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let x_3 : u64 := UInt64.add x_2 x_1;
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ret x_3
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def mwe._boxed (x_1 : tobj) : tobj :=
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let x_2 : u64 := unbox x_1;
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dec x_1;
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let x_3 : u64 := mwe x_2;
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let x_4 : tobj := box x_3;
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ret x_4
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-/
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#guard_msgs in
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set_option trace.compiler.ir.result true in
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def mwe (y : UInt64) : UInt64 :=
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let x := gSize
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let y := y
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x + y
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