[Stackmaps] Make ithe frame-pointer required for stackmaps.

Do not eliminate the frame pointer if there is a stackmap or patchpoint in the
function. All stackmap references should be FP relative.

This fixes PR21107.

llvm-svn: 218920
diff --git a/llvm/test/CodeGen/X86/stackmap-liveness.ll b/llvm/test/CodeGen/X86/stackmap-liveness.ll
index 897595d..31553c0 100644
--- a/llvm/test/CodeGen/X86/stackmap-liveness.ll
+++ b/llvm/test/CodeGen/X86/stackmap-liveness.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -disable-fp-elim -enable-patchpoint-liveness=false | FileCheck %s
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -disable-fp-elim                                   | FileCheck -check-prefix=PATCH %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -enable-patchpoint-liveness=false | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx                                   | FileCheck -check-prefix=PATCH %s
 ;
 ; Note: Print verbose stackmaps using -debug-only=stackmaps.