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assert(0) -> LLVM_UNREACHABLE.

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Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin
2009-07-11 20:10:48 +00:00
parent d51ffcf303
commit c25e7581b9
153 changed files with 695 additions and 610 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/CodeGen/VirtRegRewriter.cpp
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@ -10,6 +10,7 @@
#define DEBUG_TYPE "virtregrewriter"
#include "VirtRegRewriter.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
@ -999,7 +1000,7 @@ private:
// Unfold current MI.
SmallVector<MachineInstr*, 4> NewMIs;
if (!TII->unfoldMemoryOperand(MF, &MI, VirtReg, false, false, NewMIs))
assert(0 && "Unable unfold the load / store folding instruction!");
LLVM_UNREACHABLE("Unable unfold the load / store folding instruction!");
assert(NewMIs.size() == 1);
AssignPhysToVirtReg(NewMIs[0], VirtReg, PhysReg);
VRM.transferRestorePts(&MI, NewMIs[0]);
@ -1015,7 +1016,7 @@ private:
NextMII = next(NextMII);
NewMIs.clear();
if (!TII->unfoldMemoryOperand(MF, &NextMI, VirtReg, false, false, NewMIs))
assert(0 && "Unable unfold the load / store folding instruction!");
LLVM_UNREACHABLE("Unable unfold the load / store folding instruction!");
assert(NewMIs.size() == 1);
AssignPhysToVirtReg(NewMIs[0], VirtReg, PhysReg);
VRM.transferRestorePts(&NextMI, NewMIs[0]);
@ -1451,7 +1452,7 @@ private:
assert(RC && "Unable to determine register class!");
int SS = VRM.getEmergencySpillSlot(RC);
if (UsedSS.count(SS))
assert(0 && "Need to spill more than one physical registers!");
LLVM_UNREACHABLE("Need to spill more than one physical registers!");
UsedSS.insert(SS);
TII->storeRegToStackSlot(MBB, MII, PhysReg, true, SS, RC);
MachineInstr *StoreMI = prior(MII);
@ -2176,7 +2177,7 @@ private:
llvm::VirtRegRewriter* llvm::createVirtRegRewriter() {
switch (RewriterOpt) {
default: assert(0 && "Unreachable!");
default: LLVM_UNREACHABLE("Unreachable!");
case local:
return new LocalRewriter();
case trivial: