else
O << " .align " << GVar->getAlignment();
- if (ETy->isFloatingPointTy() || ETy->isIntegerTy() || ETy->isPointerTy()) {
+ if (ETy->isFloatingPointTy() || ETy->isPointerTy() ||
+ (ETy->isIntegerTy() && ETy->getScalarSizeInBits() <= 64)) {
O << " .";
// Special case: ABI requires that we use .u8 for predicates
if (ETy->isIntegerTy(1))
// targets that support these high level field accesses. Structs, arrays
// and vectors are lowered into arrays of bytes.
switch (ETy->getTypeID()) {
+ case Type::IntegerTyID: // Integers larger than 64 bits
case Type::StructTyID:
case Type::ArrayTyID:
case Type::VectorTyID:
const DataLayout &DL = getDataLayout();
int Bytes;
+ // Integers of arbitrary width
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
+ APInt Val = CI->getValue();
+ for (unsigned I = 0, E = DL.getTypeAllocSize(CPV->getType()); I < E; ++I) {
+ uint8_t Byte = Val.getLoBits(8).getZExtValue();
+ aggBuffer->addBytes(&Byte, 1, 1);
+ Val = Val.lshr(8);
+ }
+ return;
+ }
+
// Old constants
if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV)) {
if (CPV->getNumOperands())
--- /dev/null
+; RUN: llc < %s | FileCheck %s
+target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-nvidia-cuda"
+
+; Check that we can handle global variables of large integer type.
+
+; (lsb) 0x0102'0304'0506...0F10 (msb)
+@gv = addrspace(1) externally_initialized global i128 21345817372864405881847059188222722561, align 16
+; CHECK: .visible .global .align 16 .b8 gv[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};