Rewrite a use of the symbolic value.
Synopsis
Declared in <llvm/CodeGen/MachineSSAUpdater.h>
void
RewriteUse(MachineOperand& U);Description
This handles PHI nodes, which use their value in the corresponding predecessor. Note that this will not work if the use is supposed to be rewritten to a value defined in the same block as the use, but above it. Any 'AddAvailableValue's added for the use's block will be considered to be below it.
Parameters
Name |
Description |
U |
Use of the symbolic value to rewrite. |
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