| commit | ee27f57a6a4dd7fa9259b3604f563907da1f65ef | [log] [tgz] |
|---|---|---|
| author | Chris Lattner <sabre@nondot.org> | Mon Apr 11 20:08:52 2005 +0000 |
| committer | Chris Lattner <sabre@nondot.org> | Mon Apr 11 20:08:52 2005 +0000 |
| tree | 2da04563c8d4ed39862eddb6b19b61a9f8986013 | |
| parent | 30e82431b35866ba148fc32c95accb424238bbe3 [diff] |
Fix expansion of shifts by exactly NVT bits on arch's (like X86) that have
masking shifts.
This fixes the miscompilation of this:
long long test1(unsigned A, unsigned B) {
return ((unsigned long long)A << 32) | B;
}
into this:
test1:
movl 4(%esp), %edx
movl %edx, %eax
orl 8(%esp), %eax
ret
allowing us to generate this instead:
test1:
movl 4(%esp), %edx
movl 8(%esp), %eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21230 91177308-0d34-0410-b5e6-96231b3b80d8