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| author | 2020-08-03 15:06:44 +0000 | |
|---|---|---|
| committer | 2020-08-03 15:06:44 +0000 | |
| commit | b64793999546ed8adebaeebd9d8345d18db8927d (patch) | |
| tree | 4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp | |
| parent | Add support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff) | |
| download | wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip | |
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp')
| -rw-r--r-- | gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp b/gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp deleted file mode 100644 index ec586a2caea..00000000000 --- a/gnu/llvm/lib/CodeGen/ExpandISelPseudos.cpp +++ /dev/null @@ -1,74 +0,0 @@ -//===-- llvm/CodeGen/ExpandISelPseudos.cpp ----------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// Expand Pseudo-instructions produced by ISel. These are usually to allow -// the expansion to contain control flow, such as a conditional move -// implemented with a conditional branch and a phi, or an atomic operation -// implemented with a loop. -// -//===----------------------------------------------------------------------===// - -#include "llvm/CodeGen/MachineFunction.h" -#include "llvm/CodeGen/MachineFunctionPass.h" -#include "llvm/CodeGen/Passes.h" -#include "llvm/CodeGen/TargetLowering.h" -#include "llvm/CodeGen/TargetSubtargetInfo.h" -#include "llvm/Support/Debug.h" -using namespace llvm; - -#define DEBUG_TYPE "expand-isel-pseudos" - -namespace { - class ExpandISelPseudos : public MachineFunctionPass { - public: - static char ID; // Pass identification, replacement for typeid - ExpandISelPseudos() : MachineFunctionPass(ID) {} - - private: - bool runOnMachineFunction(MachineFunction &MF) override; - - void getAnalysisUsage(AnalysisUsage &AU) const override { - MachineFunctionPass::getAnalysisUsage(AU); - } - }; -} // end anonymous namespace - -char ExpandISelPseudos::ID = 0; -char &llvm::ExpandISelPseudosID = ExpandISelPseudos::ID; -INITIALIZE_PASS(ExpandISelPseudos, DEBUG_TYPE, - "Expand ISel Pseudo-instructions", false, false) - -bool ExpandISelPseudos::runOnMachineFunction(MachineFunction &MF) { - bool Changed = false; - const TargetLowering *TLI = MF.getSubtarget().getTargetLowering(); - - // Iterate through each instruction in the function, looking for pseudos. - for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) { - MachineBasicBlock *MBB = &*I; - for (MachineBasicBlock::iterator MBBI = MBB->begin(), MBBE = MBB->end(); - MBBI != MBBE; ) { - MachineInstr &MI = *MBBI++; - - // If MI is a pseudo, expand it. - if (MI.usesCustomInsertionHook()) { - Changed = true; - MachineBasicBlock *NewMBB = TLI->EmitInstrWithCustomInserter(MI, MBB); - // The expansion may involve new basic blocks. - if (NewMBB != MBB) { - MBB = NewMBB; - I = NewMBB->getIterator(); - MBBI = NewMBB->begin(); - MBBE = NewMBB->end(); - } - } - } - } - - return Changed; -} |
