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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-12-08 01:22:39 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-12-08 01:22:39 +0000 |
commit | e6f9e9d8365346330c782c82860a6b77df8ee829 (patch) | |
tree | f4e0e7537cee473761689948d810a87dac6f0e63 | |
parent | ff4cbb4c9a66d313a9f52830620f06c88b43397c (diff) | |
download | llvm-e6f9e9d8365346330c782c82860a6b77df8ee829.tar.gz llvm-e6f9e9d8365346330c782c82860a6b77df8ee829.tar.bz2 llvm-e6f9e9d8365346330c782c82860a6b77df8ee829.tar.xz |
Drop the HasInlineAsm flag.
It is not used any more. We are tracking inline assembly misalignments
directly through the BBInfo.Unalign and KnownBits fields.
A simple conservative size estimate is not good enough since it can
cause alignment padding to be underestimated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146124 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/ARM/ARMConstantIslandPass.cpp | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp index 844469eadd..315bf214d7 100644 --- a/lib/Target/ARM/ARMConstantIslandPass.cpp +++ b/lib/Target/ARM/ARMConstantIslandPass.cpp @@ -226,9 +226,6 @@ namespace { /// the branch fix up pass. bool HasFarJump; - /// HasInlineAsm - True if the function contains inline assembly. - bool HasInlineAsm; - const ARMInstrInfo *TII; const ARMSubtarget *STI; ARMFunctionInfo *AFI; @@ -338,7 +335,6 @@ bool ARMConstantIslands::runOnMachineFunction(MachineFunction &MF) { isThumb2 = AFI->isThumb2Function(); HasFarJump = false; - HasInlineAsm = false; // Renumber all of the machine basic blocks in the function, guaranteeing that // the numbers agree with the position of the block in the function. @@ -711,10 +707,8 @@ void ARMConstantIslands::ComputeBlockSize(MachineBasicBlock *MBB) { BBI.Size += TII->GetInstSizeInBytes(I); // For inline asm, GetInstSizeInBytes returns a conservative estimate. // The actual size may be smaller, but still a multiple of the instr size. - if (I->isInlineAsm()) { + if (I->isInlineAsm()) BBI.Unalign = isThumb ? 1 : 2; - HasInlineAsm = true; - } } // tBR_JTr contains a .align 2 directive. @@ -907,7 +901,7 @@ bool ARMConstantIslands::CPEIsInRange(MachineInstr *MI, unsigned UserOffset, MachineInstr *CPEMI, unsigned MaxDisp, bool NegOk, bool DoDump) { unsigned CPEOffset = GetOffsetOf(CPEMI); - assert((CPEOffset%4 == 0 || HasInlineAsm) && "Misaligned CPE"); + assert(CPEOffset % 4 == 0 && "Misaligned CPE"); if (DoDump) { DEBUG(errs() << "User of CPE#" << CPEMI->getOperand(0).getImm() |