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, 37 deletions

diff --git a/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll b/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll
deleted file mode 100644
index 3ccf4329a0a..00000000000
--- a/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll
+++ /dev/null
@@ -1,37 +0,0 @@
-; RUN: opt < %s -S -unroll-partial-threshold=20 -unroll-threshold=20 -loop-unroll -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,unroll' -unroll-partial-threshold=20 -unroll-threshold=20 -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s
-;
-; Also check that the simple unroller doesn't allow the partial unrolling.
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,loop(unroll-full)' -unroll-partial-threshold=20 -unroll-threshold=20 -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s --check-prefix=CHECK-NO-UNROLL
-
-; The Loop TripCount is 9. However unroll factors 3 or 9 exceed given threshold.
-; The test checks that we choose a smaller, power-of-two, unroll count and do not give up on unrolling.
-
-; CHECK: for.body:
-; CHECK: store
-; CHECK: for.body.1:
-; CHECK: store
-
-; CHECK-NO-UNROLL: for.body:
-; CHECK-NO-UNROLL: store
-; CHECK-NO-UNROLL-NOT: store
-
-define void @foo(i32* nocapture %a, i32* nocapture readonly %b) nounwind uwtable {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ 1, %entry ], [ %indvars.iv.next, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
-  %ld = load i32, i32* %arrayidx, align 4
-  %idxprom1 = sext i32 %ld to i64
-  %arrayidx2 = getelementptr inbounds i32, i32* %a, i64 %idxprom1
-  %st = trunc i64 %indvars.iv to i32
-  store i32 %st, i32* %arrayidx2, align 4
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %exitcond = icmp eq i64 %indvars.iv.next, 20
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}