Revert "BlockFrequency: Saturate at 1 instead of 0 when multiplying a frequency with a branch probability."

This reverts commit r184584. Breaks PPC selfhost.

llvm-svn: 184590

1 files changed, 0 insertions, 65 deletions

diff --git a/llvm/test/Analysis/BlockFrequencyInfo/singularity.ll b/llvm/test/Analysis/BlockFrequencyInfo/singularity.ll
deleted file mode 100644
index 9077cc0656a..00000000000
--- a/llvm/test/Analysis/BlockFrequencyInfo/singularity.ll
+++ /dev/null
@@ -1,65 +0,0 @@
-; RUN: opt < %s -analyze -block-freq | FileCheck %s
-; PR16402
-
-define void @test1(i32 %n) nounwind {
-entry:
-  %call = tail call i32* @cond() nounwind
-  %tobool = icmp eq i32* %call, null
-  br i1 %tobool, label %land.lhs.true, label %if.end
-
-land.lhs.true:                                    ; preds = %entry
-  %call1 = tail call i32* @cond() nounwind
-  %tobool2 = icmp eq i32* %call1, null
-  br i1 %tobool2, label %land.lhs.true3, label %if.end
-
-land.lhs.true3:                                   ; preds = %land.lhs.true
-  %call4 = tail call i32* @cond() nounwind
-  %tobool5 = icmp eq i32* %call4, null
-  br i1 %tobool5, label %land.lhs.true6, label %if.end
-
-land.lhs.true6:                                   ; preds = %land.lhs.true3
-  %call7 = tail call i32* @cond() nounwind
-  %tobool8 = icmp eq i32* %call7, null
-  br i1 %tobool8, label %land.lhs.true9, label %if.end
-
-land.lhs.true9:                                   ; preds = %land.lhs.true6
-  %call10 = tail call i32* @cond() nounwind
-  %tobool11 = icmp eq i32* %call10, null
-  br i1 %tobool11, label %land.lhs.true12, label %if.end
-
-land.lhs.true12:                                  ; preds = %land.lhs.true9
-  %call13 = tail call i32* @cond() nounwind
-  %tobool14 = icmp eq i32* %call13, null
-  br i1 %tobool14, label %land.lhs.true15, label %if.end
-
-land.lhs.true15:                                  ; preds = %land.lhs.true12
-  %call16 = tail call i32* @cond() nounwind
-  %tobool17 = icmp eq i32* %call16, null
-  br i1 %tobool17, label %for.cond.preheader, label %if.end
-
-for.cond.preheader:                               ; preds = %land.lhs.true15
-  %cmp21 = icmp eq i32 %n, 0
-  br i1 %cmp21, label %for.end, label %for.body
-
-for.body:                                         ; preds = %for.cond.preheader, %for.body
-  %i.022 = phi i32 [ %inc, %for.body ], [ 0, %for.cond.preheader ]
-  %call18 = tail call i32 @call() nounwind
-  %inc = add nsw i32 %i.022, 1
-  %cmp = icmp eq i32 %inc, %n
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body, %for.cond.preheader
-  %call19 = tail call i32* @cond() nounwind
-  br label %if.end
-
-if.end:                                           ; preds = %land.lhs.true15, %land.lhs.true12, %land.lhs.true9, %land.lhs.true6, %land.lhs.true3, %land.lhs.true, %entry, %for.end
-  ret void
-
-; CHECK: entry = 1024
-; CHECK-NOT: for.body = 0
-; CHECK-NOT: for.end = 0
-}
-
-declare i32* @cond() nounwind
-
-declare i32 @call() nounwind