commit 7f3afd480d95e77fb89565455b65b3ebd716aba1
author Scott Linder <Scott.Linder@amd.com> Tue Feb 25 09:01:26 2020 -0500
committer Scott Linder <Scott.Linder@amd.com> Tue Feb 25 14:00:01 2020 -0500
tree 23e7533a054755e817d08eb684b3b32132b86d20
parent a57d9652a0dcc823921f2d4bac29680db5dbef64

Emit register names in cfi assembly directives

Update .cfi_undefined, .cfi_register, and .cfi_return_column to
print symbolic register arguments.

Differential Revision: https://reviews.llvm.org/D74914

llvm/lib/MC/MCAsmStreamer.cpp

diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index b528a6e..9281584 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -1682,13 +1682,17 @@
 
 void MCAsmStreamer::emitCFIUndefined(int64_t Register) {
   MCStreamer::emitCFIUndefined(Register);
-  OS << "\t.cfi_undefined " << Register;
+  OS << "\t.cfi_undefined ";
+  EmitRegisterName(Register);
   EmitEOL();
 }
 
 void MCAsmStreamer::emitCFIRegister(int64_t Register1, int64_t Register2) {
   MCStreamer::emitCFIRegister(Register1, Register2);
-  OS << "\t.cfi_register " << Register1 << ", " << Register2;
+  OS << "\t.cfi_register ";
+  EmitRegisterName(Register1);
+  OS << ", ";
+  EmitRegisterName(Register2);
   EmitEOL();
 }
 
@@ -1706,7 +1710,8 @@
 
 void MCAsmStreamer::emitCFIReturnColumn(int64_t Register) {
   MCStreamer::emitCFIReturnColumn(Register);
-  OS << "\t.cfi_return_column " << Register;
+  OS << "\t.cfi_return_column ";
+  EmitRegisterName(Register);
   EmitEOL();
 }