From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Thu, 19 Jan 2012 12:53:06 +0000 (+0000)
Subject: Emit ARM EHABI unwinding instructions for 3 more Thumb instructions.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=73dd8bbce3ff54c318233027fb5e29f8298e01d6;p=oota-llvm.git

Emit ARM EHABI unwinding instructions for 3 more Thumb instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148473 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index e38485318aa..85959fea374 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1107,6 +1107,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
       break;
     case ARM::STR_PRE_IMM:
     case ARM::STR_PRE_REG:
+    case ARM::t2STR_PRE:
       assert(MI->getOperand(2).getReg() == ARM::SP &&
              "Only stack pointer as a source reg is supported");
       RegList.push_back(SrcReg);
@@ -1122,12 +1123,14 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
         MI->dump();
         assert(0 && "Unsupported opcode for unwinding information");
       case ARM::MOVr:
+      case ARM::tMOVr:
         Offset = 0;
         break;
       case ARM::ADDri:
         Offset = -MI->getOperand(2).getImm();
         break;
       case ARM::SUBri:
+      case ARM::t2SUBri:
         Offset = MI->getOperand(2).getImm();
         break;
       case ARM::tSUBspi:
diff --git a/test/CodeGen/ARM/ehabi-unwind.ll b/test/CodeGen/ARM/ehabi-unwind.ll
new file mode 100644
index 00000000000..1ffde00365a
--- /dev/null
+++ b/test/CodeGen/ARM/ehabi-unwind.ll
@@ -0,0 +1,15 @@
+; Test that the EHABI unwind instruction generator does not encounter any
+; unfamiliar instructions.
+; RUN: llc < %s -mtriple=thumbv7 -arm-enable-ehabi -disable-fp-elim
+; RUN: llc < %s -mtriple=thumbv7 -arm-enable-ehabi
+
+define void @_Z1fv() nounwind {
+entry:
+  ret void
+}
+
+define void @_Z1gv() nounwind {
+entry:
+  call void @_Z1fv()
+  ret void
+}