[GlobalIsel] allow x86_fp80 values to be dumped.
Summary:
Otherwise the fallback path fails with an assertion on x86_64 targets,
when "x86_fp80" is encountered.
Reviewers: t.p.northover, zvi, guyblank
Reviewed By: zvi
Subscribers: rovka, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D34975
llvm-svn: 307140
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 81c6dac..7be3b1a 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -447,6 +447,14 @@
SmallString<16> Str;
getFPImm()->getValueAPF().toString(Str);
OS << "quad " << Str;
+ } else if (getFPImm()->getType()->isX86_FP80Ty()) {
+ APFloat APF = getFPImm()->getValueAPF();
+ OS << "x86_fp80 0xK";
+ APInt API = APF.bitcastToAPInt();
+ OS << format_hex_no_prefix(API.getHiBits(16).getZExtValue(), 4,
+ /*Upper=*/true);
+ OS << format_hex_no_prefix(API.getLoBits(64).getZExtValue(), 16,
+ /*Upper=*/true);
} else {
OS << getFPImm()->getValueAPF().convertToDouble();
}