mirror of
https://github.com/golang/go
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29 lines
558 B
Go
29 lines
558 B
Go
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// run
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Code was miscompiled on ppc64le due to incorrect zero-extension
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// that was CSE'd.
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package main
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//go:noinline
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func g(i uint64) uint64 {
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return uint64(uint32(i))
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}
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var sink uint64
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func main() {
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for i := uint64(0); i < 1; i++ {
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i32 := int32(i - 1)
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sink = uint64((uint32(i32) << 1) ^ uint32((i32 >> 31)))
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x := g(uint64(i32))
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if x != uint64(uint32(i32)) {
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panic(x)
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}
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}
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}
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