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, 77 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/switch-masked-bits.ll b/llvm/test/Transforms/SimplifyCFG/switch-masked-bits.ll
deleted file mode 100644
index 2d46aac23f6..00000000000
--- a/llvm/test/Transforms/SimplifyCFG/switch-masked-bits.ll
+++ /dev/null
@@ -1,77 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -simplifycfg < %s | FileCheck %s
-
-define i32 @test1(i32 %x) nounwind {
-; CHECK-LABEL: @test1(
-; CHECK-NEXT:  a:
-; CHECK-NEXT:    [[I:%.*]] = shl i32 %x, 1
-; CHECK-NEXT:    [[COND:%.*]] = icmp eq i32 [[I]], 24
-; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[COND]], i32 5, i32 0
-; CHECK-NEXT:    ret i32 [[DOT]]
-;
-  %i = shl i32 %x, 1
-  switch i32 %i, label %a [
-  i32 21, label %b
-  i32 24, label %c
-  ]
-
-a:
-  ret i32 0
-b:
-  ret i32 3
-c:
-  ret i32 5
-}
-
-
-define i32 @test2(i32 %x) nounwind {
-; CHECK-LABEL: @test2(
-; CHECK-NEXT:  a:
-; CHECK-NEXT:    ret i32 0
-;
-  %i = shl i32 %x, 1
-  switch i32 %i, label %a [
-  i32 21, label %b
-  i32 23, label %c
-  ]
-
-a:
-  ret i32 0
-b:
-  ret i32 3
-c:
-  ret i32 5
-}
-
-; We're sign extending an 8-bit value.
-; The switch condition must be in the range [-128, 127], so any cases outside of that range must be dead.
-
-define i1 @repeated_signbits(i8 %condition) {
-; CHECK-LABEL: @repeated_signbits(
-; CHECK:         switch i32
-; CHECK-DAG:     i32 -128, label %a
-; CHECK-DAG:     i32 -1, label %a
-; CHECK-DAG:     i32  0, label %a
-; CHECK-DAG:     i32  127, label %a
-; CHECK-NEXT:    ]
-;
-entry:
-  %sext = sext i8 %condition to i32
-  switch i32 %sext, label %default [
-  i32 -2147483648, label %a
-  i32 -129, label %a
-  i32 -128, label %a
-  i32 -1, label %a
-  i32  0, label %a
-  i32  127, label %a
-  i32  128, label %a
-  i32  2147483647, label %a
-  ]
-
-a:
-  ret i1 1
-
-default:
-  ret i1 0
-}
-