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-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.td16
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 6f5aa813ea5..8073fe6e726 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -933,6 +933,15 @@ def i32immSExt8 : ImmLeaf<i32, [{ return isInt<8>(Imm); }]>;
def i64immSExt8 : ImmLeaf<i64, [{ return isInt<8>(Imm); }]>;
def i64immSExt32 : ImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
+// FIXME: Ideally we would just replace the above i*immSExt* matchers with
+// relocImm-based matchers, but then FastISel would be unable to use them.
+def i64relocImmSExt8 : PatLeaf<(i64 relocImm), [{
+ return isSExtRelocImm<8>(N);
+}]>;
+def i64relocImmSExt32 : PatLeaf<(i64 relocImm), [{
+ return isSExtRelocImm<32>(N);
+}]>;
+
// If we have multiple users of an immediate, it's much smaller to reuse
// the register, rather than encode the immediate in every instruction.
// This has the risk of increasing register pressure from stretched live
@@ -973,6 +982,13 @@ def i64immSExt8_su : PatLeaf<(i64immSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
+def i64relocImmSExt8_su : PatLeaf<(i64relocImmSExt8), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+def i64relocImmSExt32_su : PatLeaf<(i64relocImmSExt32), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+
// i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
// unsigned field.
def i64immZExt32 : ImmLeaf<i64, [{ return isUInt<32>(Imm); }]>;
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