rlo-issue-112061/checkllvm.sh
2023-05-30 17:00:14 +02:00

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#!/usr/bin/env bash
set -eu
# rustc code.rs --crate-name ll -Zmir-enable-passes=-ConstProp --emit llvm-ir -Cno-prepopulate-passes --crate-type=lib
d=$(mktemp -d)
clang $1 helper.c -O1 -o "$d/good"
clang $1 helper.c -O2 -o "$d/bad"
bad=$("$d/bad")
good=$("$d/good")
if [ "$good" != "$bad" ]; then
echo "MISCOMPILATION"
else
echo "no repro"
exit 1
fi