[mips] Implement llvm.trap intrinsic.

Patch by Sasa Stankovic.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187244 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Mips/trap.ll b/test/CodeGen/Mips/trap.ll
new file mode 100644
index 0000000..beb4b89
--- /dev/null
+++ b/test/CodeGen/Mips/trap.ll
@@ -0,0 +1,11 @@
+; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
+
+declare void @llvm.trap()
+
+define void @f1() {
+entry:
+  call void @llvm.trap()
+  unreachable
+
+; CHECK:        break
+}