Add code for analyzing FP branches. Clean up branch Analysis functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128718 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Mips/fpcmp.ll b/test/CodeGen/Mips/fpcmp.ll
index 51d55f0..c89ffe6 100644
--- a/test/CodeGen/Mips/fpcmp.ll
+++ b/test/CodeGen/Mips/fpcmp.ll
@@ -10,9 +10,9 @@
 ; CHECK-MIPS32R2: c.olt.s
 ; CHECK-MIPS32R2: movt
 ; CHECK-MIPS1: c.olt.s
-; CHECK-MIPS1: bc1f
+; CHECK-MIPS1: bc1t
 ; CHECK-MIPS1: c.olt.s
-; CHECK-MIPS1: bc1f
+; CHECK-MIPS1: bc1t
   %cmp = fcmp olt float %f0, %f1
   %conv = zext i1 %cmp to i32
   %tmp2 = load i32* @g1, align 4