There was a switch fall-through in the parser for textual LLVM that caused

bogus comparison operands to default to eq/oeq. Fix that, fix a couple of
tests that accidentally passed and test for bogus comparison opeartors
explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171733 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/EarlyCSE/commute.ll

@@ -19,9 +19,9 @@ define void @test2(float %A, float %B, i1* %PA, i1* %PB) {
   ; CHECK-NEXT: store
   ; CHECK-NEXT: store
   ; CHECK-NEXT: ret
-  %C = fcmp eq float %A, %B
+  %C = fcmp oeq float %A, %B
   store i1 %C, i1* %PA
-  %D = fcmp eq float %B, %A
+  %D = fcmp oeq float %B, %A
   store i1 %D, i1* %PB
   ret void
 }

test/Transforms/LoopIdiom/X86/popcnt.ll

@@ -1,5 +1,5 @@
 ; RUN: opt -loop-idiom < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -S | FileCheck %s
-
+booom
 ;To recognize this pattern:
 ;int popcount(unsigned long long a) {
 ;    int c = 0;