Revert "[mips] N64 static relocation model support"

This reverts commit r293164. There are multiple tests failing.

llvm-svn: 293170
diff --git a/llvm/test/CodeGen/Mips/tailcall/tailcall-wrong-isa.ll b/llvm/test/CodeGen/Mips/tailcall/tailcall-wrong-isa.ll
index 25a5e5b..6b09b69 100644
--- a/llvm/test/CodeGen/Mips/tailcall/tailcall-wrong-isa.ll
+++ b/llvm/test/CodeGen/Mips/tailcall/tailcall-wrong-isa.ll
@@ -4,11 +4,8 @@
 ; RUN: llc -filetype=obj -march=mipsel -relocation-model=static -verify-machineinstrs -mips-tail-calls=1 < %s -o - \
 ; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=STATIC32
 
-; RUN: llc -filetype=obj -march=mips64el -relocation-model=pic -mcpu=mips64 -verify-machineinstrs -mips-tail-calls=1 < %s -o - \
-; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=PIC64
-
-; RUN: llc -filetype=obj -march=mips64el -relocation-model=static -mcpu=mips64 -verify-machineinstrs -mips-tail-calls=1 < %s -o - \
-; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=STATIC64
+; RUN: llc -filetype=obj -march=mips64el -mcpu=mips64 -verify-machineinstrs -mips-tail-calls=1 < %s -o - \
+; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=N64
 
 ; RUN: llc -filetype=obj -march=mipsel -relocation-model=pic -mattr=+micromips -mips-tail-calls=1 < %s -o - \
 ; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=PIC32MM
@@ -21,11 +18,8 @@
 ; RUN: llc -filetype=obj -march=mipsel -relocation-model=static -mcpu=mips32r6 -mips-tail-calls=1 < %s -o - \
 ; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=STATIC32R6
 
-; RUN: llc -filetype=obj -march=mips64el -relocation-model=pic -mcpu=mips64r6 -mips-tail-calls=1 < %s -o - \
-; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=PIC64R6
-; RUN: llc -filetype=obj -march=mips64el -relocation-model=static -mcpu=mips64r6 -mips-tail-calls=1 < %s -o - \
-; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=STATIC64R6
-
+; RUN: llc -filetype=obj -march=mips64el -mcpu=mips64r6 -mips-tail-calls=1 < %s -o - \
+; RUN:   | llvm-objdump  -d - | FileCheck %s -check-prefix=N64R6
 
 define internal i8 @f2(i8) {
   ret i8 4
@@ -40,8 +34,7 @@
 ; PIC32:      {{[0-9a-z]}}: 08 00 20 03  jr $25
 ; STATIC32:   {{[0-9a-z]}}: 00 00 00 08  j 0
 
-; PIC64:      {{[0-9a-z]+}}: 08 00 20 03  jr $25
-; STATIC64:   {{[0-9]}}: 00 00 00 08  j 0
+; N64:        {{[0-9a-z]+}}: 08 00 20 03  jr $25
 
 ; PIC32MM:    {{[0-9a-z]+}}: b9 45 jrc $25
 ; STATIC32MM: {{[0-9a-z]}}: 00 d4 00 00 j 0
@@ -49,5 +42,5 @@
 ; PIC32R6:    {{[0-9a-z]}}: 00 00 19 d8  jrc $25
 ; STATIC32R6: {{[0-9a-z]}}: 00 00 00 08  j 0
 
-; PIC64R6:    {{[0-9a-z]+}}: 00 00 19 d8  jrc $25
-; STATIC64R6: {{[0-9]}}: 00 00 00 08  j 0
+; N64R6:      {{[0-9a-z]+}}: 00 00 19 d8  jrc $25
+