Remove a compiler bug workaround from 2007. The affected versions of gcc are long gone.

NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2014-10-09 19:50:39 +00:00
parent adba582bc6
commit 07200c4b6c

View File

@ -594,16 +594,6 @@ template <> bool IsCPSRDead<MachineInstr>(MachineInstr *MI) {
}
}
/// FIXME: Works around a gcc miscompilation with -fstrict-aliasing.
LLVM_ATTRIBUTE_NOINLINE
static unsigned getNumJTEntries(const std::vector<MachineJumpTableEntry> &JT,
unsigned JTI);
static unsigned getNumJTEntries(const std::vector<MachineJumpTableEntry> &JT,
unsigned JTI) {
assert(JTI < JT.size());
return JT[JTI].MBBs.size();
}
/// GetInstSize - Return the size of the specified MachineInstr.
///
unsigned ARMBaseInstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
@ -676,7 +666,7 @@ unsigned ARMBaseInstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
// bytes, we can use 16-bit entries instead. Then there won't be an
// alignment issue.
unsigned InstSize = (Opc == ARM::tBR_JTr || Opc == ARM::t2BR_JT) ? 2 : 4;
unsigned NumEntries = getNumJTEntries(JT, JTI);
unsigned NumEntries = JT[JTI].MBBs.size();
if (Opc == ARM::t2TBB_JT && (NumEntries & 1))
// Make sure the instruction that follows TBB is 2-byte aligned.
// FIXME: Constant island pass should insert an "ALIGN" instruction