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, 86 deletions

diff --git a/llvm/test/Transforms/InstCombine/icmp-sub.ll b/llvm/test/Transforms/InstCombine/icmp-sub.ll
deleted file mode 100644
index c66581b3b5a..00000000000
--- a/llvm/test/Transforms/InstCombine/icmp-sub.ll
+++ /dev/null
@@ -1,86 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-define i1 @test_nuw_and_unsigned_pred(i64 %x) {
-; CHECK-LABEL: @test_nuw_and_unsigned_pred(
-; CHECK-NEXT:    [[Z:%.*]] = icmp ugt i64 [[X:%.*]], 7
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nuw i64 10, %x
-  %z = icmp ult i64 %y, 3
-  ret i1 %z
-}
-
-define i1 @test_nsw_and_signed_pred(i64 %x) {
-; CHECK-LABEL: @test_nsw_and_signed_pred(
-; CHECK-NEXT:    [[Z:%.*]] = icmp slt i64 [[X:%.*]], -7
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nsw i64 3, %x
-  %z = icmp sgt i64 %y, 10
-  ret i1 %z
-}
-
-define i1 @test_nuw_nsw_and_unsigned_pred(i64 %x) {
-; CHECK-LABEL: @test_nuw_nsw_and_unsigned_pred(
-; CHECK-NEXT:    [[Z:%.*]] = icmp ugt i64 [[X:%.*]], 6
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nuw nsw i64 10, %x
-  %z = icmp ule i64 %y, 3
-  ret i1 %z
-}
-
-define i1 @test_nuw_nsw_and_signed_pred(i64 %x) {
-; CHECK-LABEL: @test_nuw_nsw_and_signed_pred(
-; CHECK-NEXT:    [[Z:%.*]] = icmp sgt i64 [[X:%.*]], 7
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nuw nsw i64 10, %x
-  %z = icmp slt i64 %y, 3
-  ret i1 %z
-}
-
-define i1 @test_negative_nuw_and_signed_pred(i64 %x) {
-; CHECK-LABEL: @test_negative_nuw_and_signed_pred(
-; CHECK-NEXT:    [[Y:%.*]] = sub nuw i64 10, [[X:%.*]]
-; CHECK-NEXT:    [[Z:%.*]] = icmp slt i64 [[Y]], 3
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nuw i64 10, %x
-  %z = icmp slt i64 %y, 3
-  ret i1 %z
-}
-
-define i1 @test_negative_nsw_and_unsigned_pred(i64 %x) {
-; CHECK-LABEL: @test_negative_nsw_and_unsigned_pred(
-; CHECK-NEXT:    [[Y:%.*]] = sub nsw i64 10, [[X:%.*]]
-; CHECK-NEXT:    [[Z:%.*]] = icmp ult i64 [[Y]], 3
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nsw i64 10, %x
-  %z = icmp ult i64 %y, 3
-  ret i1 %z
-}
-
-define i1 @test_negative_combined_sub_unsigned_overflow(i64 %x) {
-; CHECK-LABEL: @test_negative_combined_sub_unsigned_overflow(
-; CHECK-NEXT:    [[Y:%.*]] = sub nuw i64 10, [[X:%.*]]
-; CHECK-NEXT:    [[Z:%.*]] = icmp ult i64 [[Y]], 11
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nuw i64 10, %x
-  %z = icmp ult i64 %y, 11
-  ret i1 %z
-}
-
-define i1 @test_negative_combined_sub_signed_overflow(i8 %x) {
-; CHECK-LABEL: @test_negative_combined_sub_signed_overflow(
-; CHECK-NEXT:    [[Y:%.*]] = sub nsw i8 127, [[X:%.*]]
-; CHECK-NEXT:    [[Z:%.*]] = icmp slt i8 [[Y]], -1
-; CHECK-NEXT:    ret i1 [[Z]]
-;
-  %y = sub nsw i8 127, %x
-  %z = icmp slt i8 %y, -1
-  ret i1 %z
-}