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, 263 deletions

diff --git a/llvm/test/Transforms/InstSimplify/and-or-icmp-zero.ll b/llvm/test/Transforms/InstSimplify/and-or-icmp-zero.ll
deleted file mode 100644
index 04bf5ace36a..00000000000
--- a/llvm/test/Transforms/InstSimplify/and-or-icmp-zero.ll
+++ /dev/null
@@ -1,263 +0,0 @@
-; RUN: opt < %s -instsimplify -S | FileCheck %s
-
-; In the next 16 tests (4 commutes * 2 (and/or) * 2 optional ptrtoint casts),
-; eliminate the simple (not) null check because that compare is implied by the
-; masked compare of the same operand.
-; Vary types between scalar and vector and weird for extra coverage.
-
-; or (icmp eq (and X, ?), 0), (icmp eq X, 0) --> icmp eq (and X, ?), 0
-
-define i1 @or_cmps_eq_zero_with_mask_commute1(i64 %x, i64 %y) {
-; CHECK-LABEL: @or_cmps_eq_zero_with_mask_commute1(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i64 %x, %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq i64 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq i64 %x, 0
-  %somebits = and i64 %x, %y
-  %somebits_are_zero = icmp eq i64 %somebits, 0
-  %r = or i1 %somebits_are_zero, %isnull
-  ret i1 %r
-}
-
-; or (icmp eq X, 0), (icmp eq (and X, ?), 0) --> icmp eq (and X, ?), 0
-
-define <2 x i1> @or_cmps_eq_zero_with_mask_commute2(<2 x i64> %x, <2 x i64> %y) {
-; CHECK-LABEL: @or_cmps_eq_zero_with_mask_commute2(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <2 x i64> %x, %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq <2 x i64> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <2 x i1> [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq <2 x i64> %x, zeroinitializer
-  %somebits = and <2 x i64> %x, %y
-  %somebits_are_zero = icmp eq <2 x i64> %somebits, zeroinitializer
-  %r = or <2 x i1> %isnull, %somebits_are_zero
-  ret <2 x i1> %r
-}
-
-; or (icmp eq (and ?, X), 0), (icmp eq X, 0) --> icmp eq (and ?, X), 0
-
-define i1 @or_cmps_eq_zero_with_mask_commute3(i4 %x, i4 %y) {
-; CHECK-LABEL: @or_cmps_eq_zero_with_mask_commute3(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i4 %y, %x
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq i4 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq i4 %x, 0
-  %somebits = and i4 %y, %x
-  %somebits_are_zero = icmp eq i4 %somebits, 0
-  %r = or i1 %somebits_are_zero, %isnull
-  ret i1 %r
-}
-
-; or (icmp eq X, 0), (icmp eq (and ?, X), 0) --> icmp eq (and ?, X), 0
-
-define <2 x i1> @or_cmps_eq_zero_with_mask_commute4(<2 x i4> %x, <2 x i4> %y) {
-; CHECK-LABEL: @or_cmps_eq_zero_with_mask_commute4(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <2 x i4> %y, %x
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq <2 x i4> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <2 x i1> [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq <2 x i4> %x, zeroinitializer
-  %somebits = and <2 x i4> %y, %x
-  %somebits_are_zero = icmp eq <2 x i4> %somebits, zeroinitializer
-  %r = or <2 x i1> %isnull, %somebits_are_zero
-  ret <2 x i1> %r
-}
-
-; and (icmp ne (and X, ?), 0), (icmp ne X, 0) --> icmp ne (and X, ?), 0
-
-define <3 x i1> @and_cmps_eq_zero_with_mask_commute1(<3 x i4> %x, <3 x i4> %y) {
-; CHECK-LABEL: @and_cmps_eq_zero_with_mask_commute1(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <3 x i4> %x, %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne <3 x i4> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <3 x i1> [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne <3 x i4> %x, zeroinitializer
-  %somebits = and <3 x i4> %x, %y
-  %somebits_are_not_zero = icmp ne <3 x i4> %somebits, zeroinitializer
-  %r = and <3 x i1> %somebits_are_not_zero, %isnotnull
-  ret <3 x i1> %r
-}
-
-; and (icmp ne X, 0), (icmp ne (and X, ?), 0) --> icmp ne (and X, ?), 0
-
-define i1 @and_cmps_eq_zero_with_mask_commute2(i4 %x, i4 %y) {
-; CHECK-LABEL: @and_cmps_eq_zero_with_mask_commute2(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i4 %x, %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne i4 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne i4 %x, 0
-  %somebits = and i4 %x, %y
-  %somebits_are_not_zero = icmp ne i4 %somebits, 0
-  %r = and i1 %isnotnull, %somebits_are_not_zero
-  ret i1 %r
-}
-
-; and (icmp ne (and ?, X), 0), (icmp ne X, 0) --> icmp ne (and ?, X), 0
-
-define <3 x i1> @and_cmps_eq_zero_with_mask_commute3(<3 x i64> %x, <3 x i64> %y) {
-; CHECK-LABEL: @and_cmps_eq_zero_with_mask_commute3(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <3 x i64> %y, %x
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne <3 x i64> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <3 x i1> [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne <3 x i64> %x, zeroinitializer
-  %somebits = and <3 x i64> %y, %x
-  %somebits_are_not_zero = icmp ne <3 x i64> %somebits, zeroinitializer
-  %r = and <3 x i1> %somebits_are_not_zero, %isnotnull
-  ret <3 x i1> %r
-}
-
-; and (icmp ne X, 0), (icmp ne (and ?, X), 0) --> icmp ne (and ?, X), 0
-
-define i1 @and_cmps_eq_zero_with_mask_commute4(i64 %x, i64 %y) {
-; CHECK-LABEL: @and_cmps_eq_zero_with_mask_commute4(
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i64 %y, %x
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne i64 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne i64 %x, 0
-  %somebits = and i64 %y, %x
-  %somebits_are_not_zero = icmp ne i64 %somebits, 0
-  %r = and i1 %isnotnull, %somebits_are_not_zero
-  ret i1 %r
-}
-
-; or (icmp eq (and (ptrtoint P), ?), 0), (icmp eq P, 0) --> icmp eq (and (ptrtoint P), ?), 0
-
-define i1 @or_cmps_ptr_eq_zero_with_mask_commute1(i64* %p, i64 %y) {
-; CHECK-LABEL: @or_cmps_ptr_eq_zero_with_mask_commute1(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint i64* %p to i64
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i64 [[X]], %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq i64 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq i64* %p, null
-  %x = ptrtoint i64* %p to i64
-  %somebits = and i64 %x, %y
-  %somebits_are_zero = icmp eq i64 %somebits, 0
-  %r = or i1 %somebits_are_zero, %isnull
-  ret i1 %r
-}
-
-; or (icmp eq P, 0), (icmp eq (and (ptrtoint P), ?), 0) --> icmp eq (and (ptrtoint P), ?), 0
-
-define <2 x i1> @or_cmps_ptr_eq_zero_with_mask_commute2(<2 x i64*> %p, <2 x i64> %y) {
-; CHECK-LABEL: @or_cmps_ptr_eq_zero_with_mask_commute2(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint <2 x i64*> %p to <2 x i64>
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <2 x i64> [[X]], %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq <2 x i64> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <2 x i1> [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq <2 x i64*> %p, zeroinitializer
-  %x = ptrtoint <2 x i64*> %p to <2 x i64>
-  %somebits = and <2 x i64> %x, %y
-  %somebits_are_zero = icmp eq <2 x i64> %somebits, zeroinitializer
-  %r = or <2 x i1> %isnull, %somebits_are_zero
-  ret <2 x i1> %r
-}
-
-; or (icmp eq (and ?, (ptrtoint P)), 0), (icmp eq P, 0) --> icmp eq (and ?, (ptrtoint P)), 0
-
-define i1 @or_cmps_ptr_eq_zero_with_mask_commute3(i4* %p, i4 %y) {
-; CHECK-LABEL: @or_cmps_ptr_eq_zero_with_mask_commute3(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint i4* %p to i4
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i4 %y, [[X]]
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq i4 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq i4* %p, null
-  %x = ptrtoint i4* %p to i4
-  %somebits = and i4 %y, %x
-  %somebits_are_zero = icmp eq i4 %somebits, 0
-  %r = or i1 %somebits_are_zero, %isnull
-  ret i1 %r
-}
-
-; or (icmp eq P, 0), (icmp eq (and ?, (ptrtoint P)), 0) --> icmp eq (and ?, (ptrtoint P)), 0
-
-define <2 x i1> @or_cmps_ptr_eq_zero_with_mask_commute4(<2 x i4*> %p, <2 x i4> %y) {
-; CHECK-LABEL: @or_cmps_ptr_eq_zero_with_mask_commute4(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint <2 x i4*> %p to <2 x i4>
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <2 x i4> %y, [[X]]
-; CHECK-NEXT:    [[SOMEBITS_ARE_ZERO:%.*]] = icmp eq <2 x i4> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <2 x i1> [[SOMEBITS_ARE_ZERO]]
-;
-  %isnull = icmp eq <2 x i4*> %p, zeroinitializer
-  %x = ptrtoint <2 x i4*> %p to <2 x i4>
-  %somebits = and <2 x i4> %y, %x
-  %somebits_are_zero = icmp eq <2 x i4> %somebits, zeroinitializer
-  %r = or <2 x i1> %isnull, %somebits_are_zero
-  ret <2 x i1> %r
-}
-
-; and (icmp ne (and (ptrtoint P), ?), 0), (icmp ne P, 0) --> icmp ne (and (ptrtoint P), ?), 0
-
-define <3 x i1> @and_cmps_ptr_eq_zero_with_mask_commute1(<3 x i4*> %p, <3 x i4> %y) {
-; CHECK-LABEL: @and_cmps_ptr_eq_zero_with_mask_commute1(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint <3 x i4*> %p to <3 x i4>
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <3 x i4> [[X]], %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne <3 x i4> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <3 x i1> [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne <3 x i4*> %p, zeroinitializer
-  %x = ptrtoint <3 x i4*> %p to <3 x i4>
-  %somebits = and <3 x i4> %x, %y
-  %somebits_are_not_zero = icmp ne <3 x i4> %somebits, zeroinitializer
-  %r = and <3 x i1> %somebits_are_not_zero, %isnotnull
-  ret <3 x i1> %r
-}
-
-; and (icmp ne P, 0), (icmp ne (and (ptrtoint P), ?), 0) --> icmp ne (and (ptrtoint P), ?), 0
-
-define i1 @and_cmps_ptr_eq_zero_with_mask_commute2(i4* %p, i4 %y) {
-; CHECK-LABEL: @and_cmps_ptr_eq_zero_with_mask_commute2(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint i4* %p to i4
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i4 [[X]], %y
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne i4 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne i4* %p, null
-  %x = ptrtoint i4* %p to i4
-  %somebits = and i4 %x, %y
-  %somebits_are_not_zero = icmp ne i4 %somebits, 0
-  %r = and i1 %isnotnull, %somebits_are_not_zero
-  ret i1 %r
-}
-
-; and (icmp ne (and ?, (ptrtoint P)), 0), (icmp ne P, 0) --> icmp ne (and ?, (ptrtoint P)), 0
-
-define <3 x i1> @and_cmps_ptr_eq_zero_with_mask_commute3(<3 x i64*> %p, <3 x i64> %y) {
-; CHECK-LABEL: @and_cmps_ptr_eq_zero_with_mask_commute3(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint <3 x i64*> %p to <3 x i64>
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and <3 x i64> %y, [[X]]
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne <3 x i64> [[SOMEBITS]], zeroinitializer
-; CHECK-NEXT:    ret <3 x i1> [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne <3 x i64*> %p, zeroinitializer
-  %x = ptrtoint <3 x i64*> %p to <3 x i64>
-  %somebits = and <3 x i64> %y, %x
-  %somebits_are_not_zero = icmp ne <3 x i64> %somebits, zeroinitializer
-  %r = and <3 x i1> %somebits_are_not_zero, %isnotnull
-  ret <3 x i1> %r
-}
-
-; and (icmp ne P, 0), (icmp ne (and ?, (ptrtoint P)), 0) --> icmp ne (and ?, (ptrtoint P)), 0
-
-define i1 @and_cmps_ptr_eq_zero_with_mask_commute4(i64* %p, i64 %y) {
-; CHECK-LABEL: @and_cmps_ptr_eq_zero_with_mask_commute4(
-; CHECK-NEXT:    [[X:%.*]] = ptrtoint i64* %p to i64
-; CHECK-NEXT:    [[SOMEBITS:%.*]] = and i64 %y, [[X]]
-; CHECK-NEXT:    [[SOMEBITS_ARE_NOT_ZERO:%.*]] = icmp ne i64 [[SOMEBITS]], 0
-; CHECK-NEXT:    ret i1 [[SOMEBITS_ARE_NOT_ZERO]]
-;
-  %isnotnull = icmp ne i64* %p, null
-  %x = ptrtoint i64* %p to i64
-  %somebits = and i64 %y, %x
-  %somebits_are_not_zero = icmp ne i64 %somebits, 0
-  %r = and i1 %isnotnull, %somebits_are_not_zero
-  ret i1 %r
-}
-