Special handling of LEApcrel and tLEApcrel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36504 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp
index ae6afce..e9ccf04 100644
--- a/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -377,6 +377,10 @@
// Constant pool entries can reach anything.
if (I->getOpcode() == ARM::CONSTPOOL_ENTRY)
continue;
+ if (I->getOpcode() == ARM::tLEApcrel) {
+ Bits = 8; // Taking the address of a CP entry.
+ break;
+ }
assert(0 && "Unknown addressing mode for CP reference!");
case ARMII::AddrMode1: // AM1: 8 bits << 2
Bits = 8;
@@ -869,6 +873,13 @@
MachineBasicBlock *NewMBB;
// Compute this only once, it's expensive
unsigned UserOffset = GetOffsetOf(UserMI) + (isThumb ? 4 : 8);
+
+ // Special cases: LEApcrel and tLEApcrel are two instructions MI's. The
+ // actual user is the second instruction.
+ if (UserMI->getOpcode() == ARM::LEApcrel)
+ UserOffset += 4;
+ else if (UserMI->getOpcode() == ARM::tLEApcrel)
+ UserOffset += 2;
// See if the current entry is within range, or there is a clone of it
// in range.