Revert "[mips] Promote the result of SETCC nodes to GPR width."

This reverts commit r262316.

It seems that my change breaks an out-of-tree chromium buildbot, so
I'm reverting this in order to investigate the situation further.

llvm-svn: 262387
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll b/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll
index c4632fb..87f2ca4 100644
--- a/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll
+++ b/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll
@@ -29,7 +29,8 @@
 ; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s \
 ; RUN:    -check-prefix=ALL -check-prefix=SEL -check-prefix=SEL-64
 
-define signext i1 @tst_select_i1_i1(i1 %s, i1 signext %x, i1 signext %y) {
+define signext i1 @tst_select_i1_i1(i1 signext %s,
+                                    i1 signext %x, i1 signext %y) {
 entry:
   ; ALL-LABEL: tst_select_i1_i1:
 
@@ -53,7 +54,8 @@
   ret i1 %r
 }
 
-define signext i8 @tst_select_i1_i8(i1 %s, i8 signext %x, i8 signext %y) {
+define signext i8 @tst_select_i1_i8(i1 signext %s,
+                                    i8 signext %x, i8 signext %y) {
 entry:
   ; ALL-LABEL: tst_select_i1_i8:
 
@@ -77,7 +79,8 @@
   ret i8 %r
 }
 
-define signext i32 @tst_select_i1_i32(i1 %s, i32 signext %x, i32 signext %y) {
+define signext i32 @tst_select_i1_i32(i1 signext %s,
+                                      i32 signext %x, i32 signext %y) {
 entry:
   ; ALL-LABEL: tst_select_i1_i32:
 
@@ -101,7 +104,8 @@
   ret i32 %r
 }
 
-define signext i64 @tst_select_i1_i64(i1 %s, i64 signext %x, i64 signext %y) {
+define signext i64 @tst_select_i1_i64(i1 signext %s,
+                                      i64 signext %x, i64 signext %y) {
 entry:
   ; ALL-LABEL: tst_select_i1_i64:
 
@@ -148,6 +152,8 @@
   ; CMOV-64:    move    $2, $6
 
   ; SEL-64:     andi    $[[T0:[0-9]+]], $4, 1
+  ; FIXME: This shift is redundant
+  ; SEL-64:     sll     $[[T0]], $[[T0]], 0
   ; SEL-64:     seleqz  $[[T1:[0-9]+]], $6, $[[T0]]
   ; SEL-64:     selnez  $[[T0]], $5, $[[T0]]
   ; SEL-64:     or      $2, $[[T0]], $[[T1]]