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a216c3246b
In each rule, each use of ComplexPattern is assigned an element in the Renderers array. The matcher then collects renderer functions in this array and they are used to render instructions. This works well for a single instruction but a bug in the allocation mechanism causes the elements to be assigned on a per-instruction basis rather than a per-rule basis. So in the case of: (set GPR32:$dst, (Op complex:$src1, complex:$src2)) tablegen currently assigns elements 0 and 1 to $src1 and $src2 respectively, but for: (set GPR32:$dst, (Op complex:$src1, (Op complex:$src2))) it currently assigned both $src1 and $src2 the same element (0). This results in one complex operand being rendered twice and the other being forgotten. This patch corrects the allocation such that $src1 and $src2 are still allocated different elements in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307646 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.