[mips] Correct label prefixes for N32 and N64.

Summary:
N32 and N64 follow the standard ELF conventions (.L) whereas O32 uses its own
($).

This fixes the majority of object differences between -fintegrated-as and
-fno-integrated-as.

Reviewers: sdardis

Subscribers: dsanders, sdardis, llvm-commits

Differential Revision: https://reviews.llvm.org/D22412

llvm-svn: 275967
diff --git a/llvm/test/CodeGen/Mips/fpbr.ll b/llvm/test/CodeGen/Mips/fpbr.ll
index bf1b045..7fb508f 100644
--- a/llvm/test/CodeGen/Mips/fpbr.ll
+++ b/llvm/test/CodeGen/Mips/fpbr.ll
@@ -10,8 +10,9 @@
 ; ALL-LABEL: func0:
 
 ; 32-FCC:        c.eq.s $f12, $f14
+; 32-FCC:        bc1f   $BB0_2
 ; 64-FCC:        c.eq.s $f12, $f13
-; FCC:           bc1f   $BB0_2
+; 64-FCC:        bc1f   .LBB0_2
 
 ; 32-GPR:        cmp.eq.s $[[FGRCC:f[0-9]+]], $f12, $f14
 ; 64-GPR:        cmp.eq.s $[[FGRCC:f[0-9]+]], $f12, $f13
@@ -19,7 +20,7 @@
 ; FIXME: We ought to be able to transform not+bnez -> beqz
 ; GPR:           not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        bnez     $[[GPRCC]], $BB0_2
-; 64-GPR:        bnezc    $[[GPRCC]], $BB0_2
+; 64-GPR:        bnezc    $[[GPRCC]], .LBB0_2
 
   %cmp = fcmp oeq float %f2, %f3
   br i1 %cmp, label %if.then, label %if.else
@@ -45,15 +46,16 @@
 ; ALL-LABEL: func1:
 
 ; 32-FCC:        c.olt.s $f12, $f14
+; 32-FCC:        bc1f    $BB1_2
 ; 64-FCC:        c.olt.s $f12, $f13
-; FCC:           bc1f    $BB1_2
+; 64-FCC:        bc1f    .LBB1_2
 
 ; 32-GPR:        cmp.ule.s $[[FGRCC:f[0-9]+]], $f14, $f12
 ; 64-GPR:        cmp.ule.s $[[FGRCC:f[0-9]+]], $f13, $f12
 ; GPR:           mfc1     $[[GPRCC:[0-9]+]], $[[FGRCC:f[0-9]+]]
 ; GPR-NOT:       not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        bnez     $[[GPRCC]], $BB1_2
-; 64-GPR:        bnezc    $[[GPRCC]], $BB1_2
+; 64-GPR:        bnezc    $[[GPRCC]], .LBB1_2
 
   %cmp = fcmp olt float %f2, %f3
   br i1 %cmp, label %if.then, label %if.else
@@ -75,15 +77,16 @@
 ; ALL-LABEL: func2:
 
 ; 32-FCC:        c.ole.s $f12, $f14
+; 32-FCC:        bc1t    $BB2_2
 ; 64-FCC:        c.ole.s $f12, $f13
-; FCC:           bc1t    $BB2_2
+; 64-FCC:        bc1t    .LBB2_2
 
 ; 32-GPR:        cmp.ult.s $[[FGRCC:f[0-9]+]], $f14, $f12
 ; 64-GPR:        cmp.ult.s $[[FGRCC:f[0-9]+]], $f13, $f12
 ; GPR:           mfc1     $[[GPRCC:[0-9]+]], $[[FGRCC:f[0-9]+]]
 ; GPR-NOT:       not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        beqz     $[[GPRCC]], $BB2_2
-; 64-GPR:        beqzc    $[[GPRCC]], $BB2_2
+; 64-GPR:        beqzc    $[[GPRCC]], .LBB2_2
 
   %cmp = fcmp ugt float %f2, %f3
   br i1 %cmp, label %if.else, label %if.then
@@ -105,8 +108,9 @@
 ; ALL-LABEL: func3:
 
 ; 32-FCC:        c.eq.d $f12, $f14
+; 32-FCC:        bc1f $BB3_2
 ; 64-FCC:        c.eq.d $f12, $f13
-; FCC:           bc1f $BB3_2
+; 64-FCC:        bc1f .LBB3_2
 
 ; 32-GPR:        cmp.eq.d $[[FGRCC:f[0-9]+]], $f12, $f14
 ; 64-GPR:        cmp.eq.d $[[FGRCC:f[0-9]+]], $f12, $f13
@@ -114,7 +118,7 @@
 ; FIXME: We ought to be able to transform not+bnez -> beqz
 ; GPR:           not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        bnez     $[[GPRCC]], $BB3_2
-; 64-GPR:        bnezc    $[[GPRCC]], $BB3_2
+; 64-GPR:        bnezc    $[[GPRCC]], .LBB3_2
 
   %cmp = fcmp oeq double %f2, %f3
   br i1 %cmp, label %if.then, label %if.else
@@ -136,15 +140,16 @@
 ; ALL-LABEL: func4:
 
 ; 32-FCC:        c.olt.d $f12, $f14
+; 32-FCC:        bc1f $BB4_2
 ; 64-FCC:        c.olt.d $f12, $f13
-; FCC:           bc1f $BB4_2
+; 64-FCC:        bc1f .LBB4_2
 
 ; 32-GPR:        cmp.ule.d $[[FGRCC:f[0-9]+]], $f14, $f12
 ; 64-GPR:        cmp.ule.d $[[FGRCC:f[0-9]+]], $f13, $f12
 ; GPR:           mfc1     $[[GPRCC:[0-9]+]], $[[FGRCC:f[0-9]+]]
 ; GPR-NOT:       not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        bnez     $[[GPRCC]], $BB4_2
-; 64-GPR:        bnezc    $[[GPRCC]], $BB4_2
+; 64-GPR:        bnezc    $[[GPRCC]], .LBB4_2
 
   %cmp = fcmp olt double %f2, %f3
   br i1 %cmp, label %if.then, label %if.else
@@ -166,15 +171,16 @@
 ; ALL-LABEL: func5:
 
 ; 32-FCC:        c.ole.d $f12, $f14
+; 32-FCC:        bc1t $BB5_2
 ; 64-FCC:        c.ole.d $f12, $f13
-; FCC:           bc1t $BB5_2
+; 64-FCC:        bc1t .LBB5_2
 
 ; 32-GPR:        cmp.ult.d $[[FGRCC:f[0-9]+]], $f14, $f12
 ; 64-GPR:        cmp.ult.d $[[FGRCC:f[0-9]+]], $f13, $f12
 ; GPR:           mfc1     $[[GPRCC:[0-9]+]], $[[FGRCC:f[0-9]+]]
 ; GPR-NOT:       not      $[[GPRCC]], $[[GPRCC]]
 ; 32-GPR:        beqz     $[[GPRCC]], $BB5_2
-; 64-GPR:        beqzc    $[[GPRCC]], $BB5_2
+; 64-GPR:        beqzc    $[[GPRCC]], .LBB5_2
 
   %cmp = fcmp ugt double %f2, %f3
   br i1 %cmp, label %if.else, label %if.then