From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue29943.go | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/fixedbugs/issue29943.go (limited to 'test/fixedbugs/issue29943.go') diff --git a/test/fixedbugs/issue29943.go b/test/fixedbugs/issue29943.go new file mode 100644 index 0000000..ff47de5 --- /dev/null +++ b/test/fixedbugs/issue29943.go @@ -0,0 +1,28 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Code was miscompiled on ppc64le due to incorrect zero-extension +// that was CSE'd. + +package main + +//go:noinline +func g(i uint64) uint64 { + return uint64(uint32(i)) +} + +var sink uint64 + +func main() { + for i := uint64(0); i < 1; i++ { + i32 := int32(i - 1) + sink = uint64((uint32(i32) << 1) ^ uint32((i32 >> 31))) + x := g(uint64(i32)) + if x != uint64(uint32(i32)) { + panic(x) + } + } +} -- cgit v1.2.3