f11731ff35
This was bug https://github.com/tinygo-org/tinygo/issues/3890. See the diff for details. Essentially, it means that `copy` in the interpreter was copying data that wasn't known yet, or copying data into a slice that could be read externally after the interp pass.
32 строки
1 КиБ
LLVM
32 строки
1 КиБ
LLVM
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64--linux"
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@main.sliceSrcTaint.buf = internal global [2 x i8] c"cd"
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@main.sliceDstTaint.buf = internal global [2 x i8] zeroinitializer
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declare i64 @runtime.sliceCopy(ptr, ptr, i64, i64, i64) unnamed_addr
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declare void @runtime.printuint8(i8) local_unnamed_addr
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declare void @runtime.printint16(i16) local_unnamed_addr
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declare void @use(ptr) local_unnamed_addr
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define void @runtime.initAll() unnamed_addr {
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entry:
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call void @use(ptr @main.sliceSrcTaint.buf)
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%copy.n4 = call i64 @runtime.sliceCopy(ptr @main.sliceDstTaint.buf, ptr @main.sliceSrcTaint.buf, i64 2, i64 2, i64 1)
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ret void
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}
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define void @main() unnamed_addr {
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entry:
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call void @runtime.printuint8(i8 3)
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call void @runtime.printuint8(i8 3)
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call void @runtime.printint16(i16 5)
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call void @runtime.printint16(i16 5)
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call void @runtime.printuint8(i8 97)
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%sliceDstTaint.val = load i8, ptr @main.sliceDstTaint.buf, align 1
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call void @runtime.printuint8(i8 %sliceDstTaint.val)
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ret void
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}
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