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author | Chris Lattner <sabre@nondot.org> | 2009-07-11 20:29:19 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-07-11 20:29:19 +0000 |
commit | 4f0664949729778a3551970cd74e976f0d9a046f (patch) | |
tree | e3821d42b194d2c39a7090ac84d66ae4e303287d /lib/Transforms/Utils/AddrModeMatcher.cpp | |
parent | 97c8c51f075ff49b1f67f6d7d31969212d72512b (diff) |
Fix PR4533, which is about buggy codegen in x86-64 -static mode.
Basically, using:
lea symbol(%rip), %rax
is not valid in -static mode, because the current RIP may not be
within 32-bits of "symbol" when an app is built partially pic and
partially static. The fix for this is to compile it to:
lea symbol, %rax
It would be better to codegen this as:
movq $symbol, %rax
but that will come next.
The hard part of fixing this bug was fixing abi-isel, which was actively
testing for the wrong behavior. Also, the RUN lines are completely impossible
to understand what they are testing. To help with this, convert the -static
x86-64 codegen tests to use filecheck. This is much more stable and makes it
more clear what the codegen is expected to be.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75382 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/AddrModeMatcher.cpp')
0 files changed, 0 insertions, 0 deletions