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(parent: f187ac5) | patch
In asm's, output operands with matching input constraints
authorDale Johannesen <dalej@apple.com>
Mon, 28 Jun 2010 22:09:45 +0000 (22:09 +0000)
committerDale Johannesen <dalej@apple.com>
Mon, 28 Jun 2010 22:09:45 +0000 (22:09 +0000)
commita5989f8e222f6e2ad67704d7e8cc67c86c4d0697
tree07d5d7aa1e55a7e310067c111ffcf5e4b144f638tree | snapshot
parentf187ac5a23213f85c3c1f0f80b3592295ee6441dcommit | diff
In asm's, output operands with matching input constraints
have to be registers, per gcc documentation.  This affects
the logic for determining what "g" should lower to.  PR 7393.
A couple of existing testcases are affected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107079 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/TargetLowering.cpp diff | blob | history
test/CodeGen/X86/2008-09-18-inline-asm-2.ll diff | blob | history
test/CodeGen/X86/2010-06-28-matched-g-constraint.ll [new file with mode: 0644] blob
test/FrontendC/2010-06-17-asmcrash.c diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors