[CodeGen] Unify MBB reference format in both MIR and debug output

As part of the unification of the debug format and the MIR format, print
MBB references as '%bb.5'.

The MIR printer prints the IR name of a MBB only for block definitions.

* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g'
* find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g'
* grep -nr 'BB#' and fix

Differential Revision: https://reviews.llvm.org/D40422

llvm-svn: 319665
diff --git a/llvm/test/CodeGen/PowerPC/testComparesllgesll.ll b/llvm/test/CodeGen/PowerPC/testComparesllgesll.ll
index 9fa5985..6fb5397 100644
--- a/llvm/test/CodeGen/PowerPC/testComparesllgesll.ll
+++ b/llvm/test/CodeGen/PowerPC/testComparesllgesll.ll
@@ -9,7 +9,7 @@
 
 define i64 @test_llgesll(i64 %a, i64 %b) {
 ; CHECK-LABEL: test_llgesll:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    sradi r5, r3, 63
 ; CHECK-NEXT:    rldicl r6, r4, 1, 63
 ; CHECK-NEXT:    subfc r3, r4, r3
@@ -23,7 +23,7 @@
 
 define i64 @test_llgesll_sext(i64 %a, i64 %b) {
 ; CHECK-LABEL: test_llgesll_sext:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    sradi r5, r3, 63
 ; CHECK-NEXT:    rldicl r6, r4, 1, 63
 ; CHECK-NEXT:    subfc r3, r4, r3
@@ -38,7 +38,7 @@
 
 define i64 @test_llgesll_z(i64 %a) {
 ; CHECK-LABEL: test_llgesll_z:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    rldicl r3, r3, 1, 63
 ; CHECK-NEXT:    xori r3, r3, 1
 ; CHECK-NEXT:    blr
@@ -50,7 +50,7 @@
 
 define i64 @test_llgesll_sext_z(i64 %a) {
 ; CHECK-LABEL: test_llgesll_sext_z:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    sradi r3, r3, 63
 ; CHECK-NEXT:    not r3, r3
 ; CHECK-NEXT:    blr
@@ -62,7 +62,7 @@
 
 define void @test_llgesll_store(i64 %a, i64 %b) {
 ; CHECK-LABEL: test_llgesll_store:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK:    sradi r6, r3, 63
 ; CHECK:    subfc r3, r4, r3
 ; CHECK:    rldicl r3, r4, 1, 63
@@ -78,7 +78,7 @@
 
 define void @test_llgesll_sext_store(i64 %a, i64 %b) {
 ; CHECK-LABEL: test_llgesll_sext_store:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    sradi r6, r3, 63
 ; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
 ; CHECK-NEXT:    subfc r3, r4, r3
@@ -97,7 +97,7 @@
 
 define void @test_llgesll_z_store(i64 %a) {
 ; CHECK-LABEL: test_llgesll_z_store:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
 ; CHECK-NEXT:    rldicl r3, r3, 1, 63
 ; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
@@ -113,7 +113,7 @@
 
 define void @test_llgesll_sext_z_store(i64 %a) {
 ; CHECK-LABEL: test_llgesll_sext_z_store:
-; CHECK:       # BB#0: # %entry
+; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
 ; CHECK-NEXT:    sradi r3, r3, 63
 ; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)