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go/test/inline_math_bits_rotate.go
Dmitri Shuralyov b2fd76ab8d test: migrate remaining files to go:build syntax
Most of the test cases in the test directory use the new go:build syntax
already. Convert the rest. In general, try to place the build constraint
line below the test directive comment in more places.

For #41184.
For #60268.

Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b
Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/536236
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-10-19 23:33:25 +00:00

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// errorcheck -0 -m
//go:build amd64
// Copyright 2018 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.
// Test that inlining of math/bits.RotateLeft* treats those calls as intrinsics.
package p
import "math/bits"
var (
x8 uint8
x16 uint16
x32 uint32
x64 uint64
x uint
)
func f() { // ERROR "can inline f"
x8 = bits.RotateLeft8(x8, 1)
x16 = bits.RotateLeft16(x16, 1)
x32 = bits.RotateLeft32(x32, 1)
x64 = bits.RotateLeft64(x64, 1)
x = bits.RotateLeft(x, 1)
}