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, 88 deletions

diff --git a/llvm/test/Transforms/LoopStrengthReduce/addrec-gep-address-space.ll b/llvm/test/Transforms/LoopStrengthReduce/addrec-gep-address-space.ll
deleted file mode 100644
index 5650f81a308..00000000000
--- a/llvm/test/Transforms/LoopStrengthReduce/addrec-gep-address-space.ll
+++ /dev/null
@@ -1,88 +0,0 @@
-; RUN: opt < %s -loop-reduce -S | FileCheck %s
-; CHECK: bb1:
-; CHECK: load double, double addrspace(1)* [[IV:%[^,]+]]
-; CHECK: store double {{.*}}, double addrspace(1)* [[IV]]
-
-; CHECK-NOT: cast
-; Make sure the GEP has the right index type
-; CHECK: getelementptr double, double addrspace(1)* [[IV]], i16 1
-; CHECK: br {{.*}} label %bb1
-
-; Make sure the GEP has the right index type
-; CHECK: getelementptr double, double addrspace(1)* {{.*}}, i16
-
-
-; This test tests several things. The load and store should use the
-; same address instead of having it computed twice, and SCEVExpander should
-; be able to reconstruct the full getelementptr, despite it having a few
-; obstacles set in its way.
-; We only check that the inner loop (bb1-bb2) is "reduced" because LSR
-; currently only operates on inner loops.
-
-target datalayout = "e-p:64:64:64-p1:16:16:16-n16:32:64"
-
-define void @foo(i64 %n, i64 %m, i64 %o, i64 %q, double addrspace(1)* nocapture %p) nounwind {
-entry:
-	%tmp = icmp sgt i64 %n, 0		; <i1> [#uses=1]
-	br i1 %tmp, label %bb.nph3, label %return
-
-bb.nph:		; preds = %bb2.preheader
-	%tmp1 = mul i64 %tmp16, %i.02		; <i64> [#uses=1]
-	%tmp2 = mul i64 %tmp19, %i.02		; <i64> [#uses=1]
-	br label %bb1
-
-bb1:		; preds = %bb2, %bb.nph
-	%j.01 = phi i64 [ %tmp9, %bb2 ], [ 0, %bb.nph ]		; <i64> [#uses=3]
-	%tmp3 = add i64 %j.01, %tmp1		; <i64> [#uses=1]
-	%tmp4 = add i64 %j.01, %tmp2		; <i64> [#uses=1]
-        %z0 = add i64 %tmp3, 5203
-	%tmp5 = getelementptr double, double addrspace(1)* %p, i64 %z0		; <double addrspace(1)*> [#uses=1]
-	%tmp6 = load double, double addrspace(1)* %tmp5, align 8		; <double> [#uses=1]
-	%tmp7 = fdiv double %tmp6, 2.100000e+00		; <double> [#uses=1]
-        %z1 = add i64 %tmp4, 5203
-	%tmp8 = getelementptr double, double addrspace(1)* %p, i64 %z1		; <double addrspace(1)*> [#uses=1]
-	store double %tmp7, double addrspace(1)* %tmp8, align 8
-	%tmp9 = add i64 %j.01, 1		; <i64> [#uses=2]
-	br label %bb2
-
-bb2:		; preds = %bb1
-	%tmp10 = icmp slt i64 %tmp9, %m		; <i1> [#uses=1]
-	br i1 %tmp10, label %bb1, label %bb2.bb3_crit_edge
-
-bb2.bb3_crit_edge:		; preds = %bb2
-	br label %bb3
-
-bb3:		; preds = %bb2.preheader, %bb2.bb3_crit_edge
-	%tmp11 = add i64 %i.02, 1		; <i64> [#uses=2]
-	br label %bb4
-
-bb4:		; preds = %bb3
-	%tmp12 = icmp slt i64 %tmp11, %n		; <i1> [#uses=1]
-	br i1 %tmp12, label %bb2.preheader, label %bb4.return_crit_edge
-
-bb4.return_crit_edge:		; preds = %bb4
-	br label %bb4.return_crit_edge.split
-
-bb4.return_crit_edge.split:		; preds = %bb.nph3, %bb4.return_crit_edge
-	br label %return
-
-bb.nph3:		; preds = %entry
-	%tmp13 = icmp sgt i64 %m, 0		; <i1> [#uses=1]
-	%tmp14 = mul i64 %n, 37		; <i64> [#uses=1]
-	%tmp15 = mul i64 %tmp14, %o		; <i64> [#uses=1]
-	%tmp16 = mul i64 %tmp15, %q		; <i64> [#uses=1]
-	%tmp17 = mul i64 %n, 37		; <i64> [#uses=1]
-	%tmp18 = mul i64 %tmp17, %o		; <i64> [#uses=1]
-	%tmp19 = mul i64 %tmp18, %q		; <i64> [#uses=1]
-	br i1 %tmp13, label %bb.nph3.split, label %bb4.return_crit_edge.split
-
-bb.nph3.split:		; preds = %bb.nph3
-	br label %bb2.preheader
-
-bb2.preheader:		; preds = %bb.nph3.split, %bb4
-	%i.02 = phi i64 [ %tmp11, %bb4 ], [ 0, %bb.nph3.split ]		; <i64> [#uses=3]
-	br i1 true, label %bb.nph, label %bb3
-
-return:		; preds = %bb4.return_crit_edge.split, %entry
-	ret void
-}