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-rw-r--r--llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp12
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
index d9df2c6da7e..f1f35f40990 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
@@ -339,7 +339,17 @@ public:
unsigned getT2SOImmOpValue(const MCInst &MI, unsigned Op,
SmallVectorImpl<MCFixup> &Fixups,
const MCSubtargetInfo &STI) const {
- unsigned SoImm = MI.getOperand(Op).getImm();
+ const MCOperand &MO = MI.getOperand(Op);
+
+ // Support for fixups (MCFixup)
+ if (MO.isExpr()) {
+ const MCExpr *Expr = MO.getExpr();
+ // Fixups resolve to plain values that need to be encoded.
+ MCFixupKind Kind = MCFixupKind(ARM::fixup_t2_so_imm);
+ Fixups.push_back(MCFixup::create(0, Expr, Kind, MI.getLoc()));
+ return 0;
+ }
+ unsigned SoImm = MO.getImm();
unsigned Encoded = ARM_AM::getT2SOImmVal(SoImm);
assert(Encoded != ~0U && "Not a Thumb2 so_imm value?");
return Encoded;
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