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authorCraig Topper <craig.topper@intel.com>2017-12-20 19:25:33 +0000
committerCraig Topper <craig.topper@intel.com>2017-12-20 19:25:33 +0000
commit07820f2fe4482a58031f4101d12b3abb092fc4e2 (patch)
tree7b551eee71026b8a7b2bd0108e0ac9405c6aca86 /lldb/packages/Python/lldbsuite/test/lang/cpp/breakpoint-commands/TestCPPBreakpointCommands.py
parentd60951f469919476dfae4ca3f5ccb153c7072f47 (diff)
downloadbcm5719-llvm-07820f2fe4482a58031f4101d12b3abb092fc4e2.tar.gz
bcm5719-llvm-07820f2fe4482a58031f4101d12b3abb092fc4e2.zip
[X86] Remove zext from vXi32 to vXi64 on indices of gather/scatter instructions if we can prove the pre-extended value is positive.
Gather/scatter can implicitly sign extend from i32->i64 on indices. So if we know the sign bit of the input to a zext is 0 we can use the implicit extension. llvm-svn: 321209
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/lang/cpp/breakpoint-commands/TestCPPBreakpointCommands.py')
0 files changed, 0 insertions, 0 deletions
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