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, 89 deletions

diff --git a/llvm/test/Transforms/InstCombine/phi-preserve-ir-flags.ll b/llvm/test/Transforms/InstCombine/phi-preserve-ir-flags.ll
deleted file mode 100644
index 6e3ae8087cb..00000000000
--- a/llvm/test/Transforms/InstCombine/phi-preserve-ir-flags.ll
+++ /dev/null
@@ -1,89 +0,0 @@
-; RUN: opt < %s -instcombine -S -o - | FileCheck %s
-
-target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
-
-; CHECK-LABEL: define float @func1(
-define float @func1(float %a, float %b, float %c, i1 %cond) {
-entry:
-  br i1 %cond, label %cond.true, label %cond.false
-
-cond.true:
-  %sub0 = fsub fast float %a, %b
-  br label %cond.end
-
-cond.false:
-  %sub1 = fsub fast float %a, %c
-  br label %cond.end
-
-; The fast-math flags should always be transfered if possible.
-; CHECK-LABEL: cond.end
-; CHECK  [[PHI:%[^ ]*]] = phi float [ %b, %cond.true ], [ %c, %cond.false ]
-; CHECK  fsub fast float %a, [[PHI]]
-cond.end:
-  %e = phi float [ %sub0, %cond.true ], [ %sub1, %cond.false ]
-  ret float %e
-}
-
-; CHECK-LABEL: define float @func2(
-define float @func2(float %a, float %b, float %c, i1 %cond) {
-entry:
-  br i1 %cond, label %cond.true, label %cond.false
-
-cond.true:
-  %sub0 = fsub fast float %a, %b
-  br label %cond.end
-
-cond.false:
-  %sub1 = fsub float %a, %c
-  br label %cond.end
-
-; The fast-math flags should always be transfered if possible.
-; CHECK-LABEL: cond.end
-; CHECK  [[PHI:%[^ ]*]] = phi float [ %b, %cond.true ], [ %c, %cond.false ]
-; CHECK  fsub float %a, [[PHI]]
-cond.end:
-  %e = phi float [ %sub0, %cond.true ], [ %sub1, %cond.false ]
-  ret float %e
-}
-
-; CHECK-LABEL: define float @func3(
-define float @func3(float %a, float %b, float %c, i1 %cond) {
-entry:
-  br i1 %cond, label %cond.true, label %cond.false
-
-cond.true:
-  %sub0 = fsub fast float %a, 2.0
-  br label %cond.end
-
-cond.false:
-  %sub1 = fsub fast float %b, 2.0
-  br label %cond.end
-
-; CHECK-LABEL: cond.end
-; CHECK  [[PHI:%[^ ]*]] = phi float [ %a, %cond.true ], [ %b, %cond.false ]
-; CHECK  fadd fast float %a, [[PHI]]
-cond.end:
-  %e = phi float [ %sub0, %cond.true ], [ %sub1, %cond.false ]
-  ret float %e
-}
-
-; CHECK-LABEL: define float @func4(
-define float @func4(float %a, float %b, float %c, i1 %cond) {
-entry:
-  br i1 %cond, label %cond.true, label %cond.false
-
-cond.true:
-  %sub0 = fsub fast float %a, 2.0
-  br label %cond.end
-
-cond.false:
-  %sub1 = fsub float %b, 2.0
-  br label %cond.end
-
-; CHECK-LABEL: cond.end
-; CHECK  [[PHI:%[^ ]*]] = phi float [ %a, %cond.true ], [ %b, %cond.false ]
-; CHECK  fadd float %a, [[PHI]]
-cond.end:
-  %e = phi float [ %sub0, %cond.true ], [ %sub1, %cond.false ]
-  ret float %e
-}