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, 42 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/pr37248.ll b/llvm/test/Transforms/LoopVectorize/pr37248.ll
deleted file mode 100644
index c9d22bec660..00000000000
--- a/llvm/test/Transforms/LoopVectorize/pr37248.ll
+++ /dev/null
@@ -1,42 +0,0 @@
-; RUN: opt -passes='loop-vectorize' -force-vector-width=2 -S < %s | FileCheck %s
-;
-; Forcing VF=2 to trigger vector code gen
-;
-; This is a test case that let's vectorizer's code gen to generate
-; more than one BasicBlocks in the loop body (emulated masked scatter)
-; for those targets that do not support masked scatter. Broadcast
-; code generation was previously dependent on loop body being
-; a single basic block and this test case exposed incorrect code gen
-; resulting in an assert in IL verification. Test passes if IL verification
-; does not fail.
-;
-; Performing minimal check in the output to ensure the loop is actually
-; vectorized.
-;
-; CHECK: vector.body
-
-@a = external global [2 x i16], align 1
-
-define void @f1() {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %land.end, %entry
-  %0 = phi i32 [ undef, %entry ], [ %dec, %land.end ]
-  br i1 undef, label %land.end, label %land.rhs
-
-land.rhs:                                         ; preds = %for.body
-  %1 = load i32, i32* undef, align 1
-  br label %land.end
-
-land.end:                                         ; preds = %land.rhs, %for.body
-  %2 = trunc i32 %0 to i16
-  %arrayidx = getelementptr inbounds [2 x i16], [2 x i16]* @a, i16 0, i16 %2
-  store i16 undef, i16* %arrayidx, align 1
-  %dec = add nsw i32 %0, -1
-  %cmp = icmp sgt i32 %0, 1
-  br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
-
-for.cond.for.end_crit_edge:                       ; preds = %land.end
-  unreachable
-}