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/InstCombine/phi-timeout.ll b/llvm/test/Transforms/InstCombine/phi-timeout.ll
deleted file mode 100644
index 883807ecd81..00000000000
--- a/llvm/test/Transforms/InstCombine/phi-timeout.ll
+++ /dev/null
@@ -1,47 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S 2>&1 | FileCheck %s
-target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
-
-; We are really checking that this doesn't loop forever. We would never
-; actually get to the checks here if it did.
-
-define void @timeout(i16* nocapture readonly %cinfo) {
-; CHECK-LABEL: @timeout(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
-; CHECK:       for.body:
-; CHECK-NEXT:    [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[CINFO:%.*]], i32 2
-; CHECK-NEXT:    [[L:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
-; CHECK-NEXT:    [[CMP17:%.*]] = icmp eq i16 [[L]], 0
-; CHECK-NEXT:    [[EXTRACT_T1:%.*]] = trunc i16 [[L]] to i8
-; CHECK-NEXT:    br i1 [[CMP17]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
-; CHECK:       if.then:
-; CHECK-NEXT:    [[DOTPRE:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
-; CHECK-NEXT:    [[EXTRACT_T:%.*]] = trunc i16 [[DOTPRE]] to i8
-; CHECK-NEXT:    br label [[IF_END]]
-; CHECK:       if.end:
-; CHECK-NEXT:    [[P_OFF0:%.*]] = phi i8 [ [[EXTRACT_T]], [[IF_THEN]] ], [ [[EXTRACT_T1]], [[FOR_BODY]] ]
-; CHECK-NEXT:    [[SUB:%.*]] = add i8 [[P_OFF0]], -1
-; CHECK-NEXT:    store i8 [[SUB]], i8* undef, align 1
-; CHECK-NEXT:    br label [[FOR_BODY]]
-;
-entry:
-  br label %for.body
-
-for.body:
-  %arrayidx15 = getelementptr inbounds i16, i16* %cinfo, i32 2
-  %l = load i16, i16* %arrayidx15, align 2
-  %cmp17 = icmp eq i16 %l, 0
-  br i1 %cmp17, label %if.then, label %if.end
-
-if.then:
-  %.pre = load i16, i16* %arrayidx15, align 2
-  br label %if.end
-
-if.end:
-  %p = phi i16 [ %.pre, %if.then ], [ %l, %for.body ]
-  %conv19 = trunc i16 %p to i8
-  %sub = add i8 %conv19, -1
-  store i8 %sub, i8* undef, align 1
-  br label %for.body
-}