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, 126 deletions

diff --git a/llvm/test/Transforms/InstCombine/uadd-with-overflow.ll b/llvm/test/Transforms/InstCombine/uadd-with-overflow.ll
deleted file mode 100644
index b306cb619f8..00000000000
--- a/llvm/test/Transforms/InstCombine/uadd-with-overflow.ll
+++ /dev/null
@@ -1,126 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-declare { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32>, <2 x i32>)
-
-declare { <2 x i8>, <2 x i1> } @llvm.uadd.with.overflow.v2i8(<2 x i8>, <2 x i8>)
-
-declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32)
-
-declare { i8, i1 } @llvm.uadd.with.overflow.i8(i8, i8)
-
-define { i32, i1 } @simple_fold(i32 %x) {
-; CHECK-LABEL: @simple_fold(
-; CHECK-NEXT:    [[TMP1:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 20)
-; CHECK-NEXT:    ret { i32, i1 } [[TMP1]]
-;
-  %a = add nuw i32 %x, 7
-  %b = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 13)
-  ret { i32, i1 } %b
-}
-
-define { i8, i1 } @fold_on_constant_add_no_overflow(i8 %x) {
-; CHECK-LABEL: @fold_on_constant_add_no_overflow(
-; CHECK-NEXT:    [[TMP1:%.*]] = call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 [[X:%.*]], i8 -1)
-; CHECK-NEXT:    ret { i8, i1 } [[TMP1]]
-;
-  %a = add nuw i8 %x, 200
-  %b = tail call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 %a, i8 55)
-  ret { i8, i1 } %b
-}
-
-define { i8, i1 } @no_fold_on_constant_add_overflow(i8 %x) {
-; CHECK-LABEL: @no_fold_on_constant_add_overflow(
-; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { i8, i1 } { i8 undef, i1 true }, i8 [[X:%.*]], 0
-; CHECK-NEXT:    ret { i8, i1 } [[TMP1]]
-;
-  %a = add nuw i8 %x, 200
-  %b = tail call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 %a, i8 56)
-  ret { i8, i1 } %b
-}
-
-define { <2 x i8>, <2 x i1> } @no_fold_vector_no_overflow(<2 x i8> %x) {
-; CHECK-LABEL: @no_fold_vector_no_overflow(
-; CHECK-NEXT:    [[A:%.*]] = add nuw <2 x i8> [[X:%.*]], <i8 -57, i8 -56>
-; CHECK-NEXT:    [[B:%.*]] = tail call { <2 x i8>, <2 x i1> } @llvm.uadd.with.overflow.v2i8(<2 x i8> [[A]], <2 x i8> <i8 55, i8 55>)
-; CHECK-NEXT:    ret { <2 x i8>, <2 x i1> } [[B]]
-;
-  %a = add nuw <2 x i8> %x, <i8 199, i8 200>
-  %b = tail call { <2 x i8>, <2 x i1> } @llvm.uadd.with.overflow.v2i8(<2 x i8> %a, <2 x i8> <i8 55, i8 55>)
-  ret { <2 x i8>, <2 x i1> } %b
-}
-
-define { <2 x i8>, <2 x i1> } @no_fold_vector_overflow(<2 x i8> %x) {
-; CHECK-LABEL: @no_fold_vector_overflow(
-; CHECK-NEXT:    [[A:%.*]] = add nuw <2 x i8> [[X:%.*]], <i8 -56, i8 -55>
-; CHECK-NEXT:    [[B:%.*]] = tail call { <2 x i8>, <2 x i1> } @llvm.uadd.with.overflow.v2i8(<2 x i8> [[A]], <2 x i8> <i8 55, i8 55>)
-; CHECK-NEXT:    ret { <2 x i8>, <2 x i1> } [[B]]
-;
-  %a = add nuw <2 x i8> %x, <i8 200, i8 201>
-  %b = tail call { <2 x i8>, <2 x i1> } @llvm.uadd.with.overflow.v2i8(<2 x i8> %a, <2 x i8> <i8 55, i8 55>)
-  ret { <2 x i8>, <2 x i1> } %b
-}
-
-define { <2 x i32>, <2 x i1> } @fold_simple_splat_constant(<2 x i32> %x) {
-; CHECK-LABEL: @fold_simple_splat_constant(
-; CHECK-NEXT:    [[TMP1:%.*]] = call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> [[X:%.*]], <2 x i32> <i32 42, i32 42>)
-; CHECK-NEXT:    ret { <2 x i32>, <2 x i1> } [[TMP1]]
-;
-  %a = add nuw <2 x i32> %x, <i32 12, i32 12>
-  %b = tail call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
-  ret { <2 x i32>, <2 x i1> } %b
-}
-
-define { <2 x i32>, <2 x i1> } @no_fold_splat_undef_constant(<2 x i32> %x) {
-; CHECK-LABEL: @no_fold_splat_undef_constant(
-; CHECK-NEXT:    [[A:%.*]] = add nuw <2 x i32> [[X:%.*]], <i32 12, i32 undef>
-; CHECK-NEXT:    [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>)
-; CHECK-NEXT:    ret { <2 x i32>, <2 x i1> } [[B]]
-;
-  %a = add nuw <2 x i32> %x, <i32 12, i32 undef>
-  %b = tail call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
-  ret { <2 x i32>, <2 x i1> } %b
-}
-
-define { <2 x i32>, <2 x i1> } @no_fold_splat_not_constant(<2 x i32> %x, <2 x i32> %y) {
-; CHECK-LABEL: @no_fold_splat_not_constant(
-; CHECK-NEXT:    [[A:%.*]] = add nuw <2 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>)
-; CHECK-NEXT:    ret { <2 x i32>, <2 x i1> } [[B]]
-;
-  %a = add nuw <2 x i32> %x, %y
-  %b = tail call { <2 x i32>, <2 x i1> } @llvm.uadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
-  ret { <2 x i32>, <2 x i1> } %b
-}
-
-define { i32, i1 } @fold_nuwnsw(i32 %x) {
-; CHECK-LABEL: @fold_nuwnsw(
-; CHECK-NEXT:    [[TMP1:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 42)
-; CHECK-NEXT:    ret { i32, i1 } [[TMP1]]
-;
-  %a = add nuw nsw i32 %x, 12
-  %b = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 30)
-  ret { i32, i1 } %b
-}
-
-define { i32, i1 } @no_fold_nsw(i32 %x) {
-; CHECK-LABEL: @no_fold_nsw(
-; CHECK-NEXT:    [[A:%.*]] = add nsw i32 [[X:%.*]], 12
-; CHECK-NEXT:    [[B:%.*]] = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[A]], i32 30)
-; CHECK-NEXT:    ret { i32, i1 } [[B]]
-;
-  %a = add nsw i32 %x, 12
-  %b = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 30)
-  ret { i32, i1 } %b
-}
-
-define { i32, i1 } @no_fold_wrapped_add(i32 %x) {
-; CHECK-LABEL: @no_fold_wrapped_add(
-; CHECK-NEXT:    [[A:%.*]] = add i32 [[X:%.*]], 12
-; CHECK-NEXT:    [[B:%.*]] = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[A]], i32 30)
-; CHECK-NEXT:    ret { i32, i1 } [[B]]
-;
-  %a = add i32 %x, 12
-  %b = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 30, i32 %a)
-  ret { i32, i1 } %b
-}