Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

1 files changed, 0 insertions, 47 deletions

diff --git a/llvm/test/Transforms/LICM/constexpr.ll b/llvm/test/Transforms/LICM/constexpr.ll
deleted file mode 100644
index 488821ac8fd..00000000000
--- a/llvm/test/Transforms/LICM/constexpr.ll
+++ /dev/null
@@ -1,47 +0,0 @@
-; RUN: opt < %s -S -basicaa -licm | FileCheck %s
-; RUN: opt -aa-pipeline=basic-aa -passes='require<opt-remark-emit>,loop(licm)' < %s -S | FileCheck %s
-; This fixes PR22460
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-pc-windows-msvc"
-
-@in = internal unnamed_addr global i32* null, align 8
-@out = internal unnamed_addr global i32* null, align 8
-
-; CHECK-LABEL: @bar
-; CHECK: entry:
-; CHECK: load i64, i64* bitcast (i32** @in to i64*)
-; CHECK: do.body:
-; CHECK-NOT: load
-
-define i64 @bar(i32 %N) {
-entry:
-  br label %do.body
-
-do.body:                                          ; preds = %l2, %entry
-  %i.0 = phi i32 [ 0, %entry ], [ %inc, %l2 ]
-  %total = phi i64 [ 0, %entry ], [ %next, %l2 ]
-  %c = icmp eq i32 %N, 6
-  br i1 %c, label %l1, label %do.body.l2_crit_edge
-
-do.body.l2_crit_edge:                             ; preds = %do.body
-  %inval.pre = load i32*, i32** @in, align 8
-  br label %l2
-
-l1:                                               ; preds = %do.body
-  %v1 = load i64, i64* bitcast (i32** @in to i64*), align 8
-  store i64 %v1, i64* bitcast (i32** @out to i64*), align 8
-  %0 = inttoptr i64 %v1 to i32*
-  br label %l2
-
-l2:                                               ; preds = %do.body.l2_crit_edge, %l1
-  %inval = phi i32* [ %inval.pre, %do.body.l2_crit_edge ], [ %0, %l1 ]
-  %int = ptrtoint i32* %inval to i64
-  %next = add i64 %total, %int
-  %inc = add nsw i32 %i.0, 1
-  %cmp = icmp slt i32 %inc, %N
-  br i1 %cmp, label %do.body, label %do.end
-
-do.end:                                           ; preds = %l2
-  ret i64 %total
-}