[mips] Disable tail calls temporarily

Disable tail calls while the remaining bugs are fixed. Enable only for tests.

Reviewers: vkalintiris

Differential Review: https://reviews.llvm.org/D24912

llvm-svn: 282487
diff --git a/llvm/test/CodeGen/Mips/tailcall/tailcall.ll b/llvm/test/CodeGen/Mips/tailcall/tailcall.ll
index 1db780c..635f2ab 100644
--- a/llvm/test/CodeGen/Mips/tailcall/tailcall.ll
+++ b/llvm/test/CodeGen/Mips/tailcall/tailcall.ll
@@ -1,30 +1,30 @@
 ; RUN: llc -march=mipsel -relocation-model=pic  \
-; RUN:     -verify-machineinstrs < %s | FileCheck %s -check-prefix=PIC32
+; RUN:     -verify-machineinstrs -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=PIC32
 ; RUN: llc -march=mipsel -relocation-model=static  \
-; RUN:     -verify-machineinstrs < %s | FileCheck %s -check-prefix=STATIC32
+; RUN:     -verify-machineinstrs -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=STATIC32
 ; RUN: llc -march=mips64el -mcpu=mips64r2  \
-; RUN:     -verify-machineinstrs < %s | FileCheck %s -check-prefix=N64
+; RUN:     -verify-machineinstrs -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=N64
 ; RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic \
-; RUN:      -verify-machineinstrs < %s | \
+; RUN:      -verify-machineinstrs -mips-tail-calls=1 < %s | \
 ; RUN:     FileCheck %s -check-prefix=PIC16
 
-; RUN: llc -march=mipsel -relocation-model=pic -mattr=+micromips < %s | \
+; RUN: llc -march=mipsel -relocation-model=pic -mattr=+micromips -mips-tail-calls=1 < %s | \
 ; RUN:     FileCheck %s -check-prefix=PIC32
 ; RUN: llc -march=mipsel -relocation-model=static -mattr=+micromips \
-; RUN:     < %s | FileCheck %s -check-prefix=STATIC32
+; RUN:     -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=STATIC32
 
-; RUN: llc -march=mipsel -relocation-model=pic -mcpu=mips32r6 < %s | \
+; RUN: llc -march=mipsel -relocation-model=pic -mcpu=mips32r6 -mips-tail-calls=1 < %s | \
 ; RUN:     FileCheck %s -check-prefix=PIC32
 ; RUN: llc -march=mipsel -relocation-model=static -mcpu=mips32r6 \
-; RUN:     < %s | FileCheck %s -check-prefix=STATIC32
+; RUN:     -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=STATIC32
 ; RUN: llc -march=mips64el -mcpu=mips64r6  \
-; RUN:     < %s | FileCheck %s -check-prefix=N64
+; RUN:     -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=N64
 
 ; RUN: llc -march=mipsel -relocation-model=pic -mcpu=mips32r6 -mattr=+micromips \
-; RUN:      < %s | FileCheck %s -check-prefix=PIC32
+; RUN:      -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=PIC32
 ; RUN: llc -march=mipsel -relocation-model=static -mcpu=mips32r6 \
-; RUN:     -mattr=+micromips < %s | FileCheck %s -check-prefix=STATIC32
-; RUN: llc -march=mips64el -mcpu=mips64r6 -mattr=+micromips < %s \
+; RUN:     -mattr=+micromips -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=STATIC32
+; RUN: llc -march=mips64el -mcpu=mips64r6 -mattr=+micromips -mips-tail-calls=1 < %s \
 ; RUN:      | FileCheck %s -check-prefix=N64
 
 @g0 = common global i32 0, align 4