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, 241 deletions

diff --git a/llvm/test/Transforms/InstCombine/constant-fold-address-space-pointer.ll b/llvm/test/Transforms/InstCombine/constant-fold-address-space-pointer.ll
deleted file mode 100644
index b879b1a2f8f..00000000000
--- a/llvm/test/Transforms/InstCombine/constant-fold-address-space-pointer.ll
+++ /dev/null
@@ -1,241 +0,0 @@
-; RUN: opt -S -instcombine %s -o - | FileCheck %s
-target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-p4:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
-
-@g = addrspace(3) global i32 89
-
-@const_zero_i8_as1 = addrspace(1) constant i8 0
-@const_zero_i32_as1 = addrspace(1) constant i32 0
-
-@const_zero_i8_as2 = addrspace(2) constant i8 0
-@const_zero_i32_as2 = addrspace(2) constant i32 0
-
-@const_zero_i8_as3 = addrspace(3) constant i8 0
-@const_zero_i32_as3 = addrspace(3) constant i32 0
-
-; Test constant folding of inttoptr (ptrtoint constantexpr)
-; The intermediate integer size is the same as the pointer size
-define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_same_size() {
-; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_same_size(
-; CHECK-NEXT: ret i32 addrspace(3)* @const_zero_i32_as3
-  %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
-  %y = inttoptr i32 %x to i32 addrspace(3)*
-  ret i32 addrspace(3)* %y
-}
-
-; The intermediate integer size is larger than the pointer size
-define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller() {
-; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller(
-; CHECK-NEXT: ret i32 addrspace(2)* @const_zero_i32_as2
-  %x = ptrtoint i32 addrspace(2)* @const_zero_i32_as2 to i16
-  %y = inttoptr i16 %x to i32 addrspace(2)*
-  ret i32 addrspace(2)* %y
-}
-
-; Different address spaces that are the same size, but they are
-; different so nothing should happen
-define i32 addrspace(4)* @test_constant_fold_inttoptr_as_pointer_smaller_different_as() {
-; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_as(
-; CHECK-NEXT: ret i32 addrspace(4)* inttoptr (i16 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i16) to i32 addrspace(4)*)
-  %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i16
-  %y = inttoptr i16 %x to i32 addrspace(4)*
-  ret i32 addrspace(4)* %y
-}
-
-; Make sure we don't introduce a bitcast between different sized
-; address spaces when folding this
-define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as() {
-; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as(
-; CHECK-NEXT: ret i32 addrspace(2)* inttoptr (i32 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i32) to i32 addrspace(2)*)
-  %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
-  %y = inttoptr i32 %x to i32 addrspace(2)*
-  ret i32 addrspace(2)* %y
-}
-
-; The intermediate integer size is too small, nothing should happen
-define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_larger() {
-; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_larger(
-; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i8 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i8) to i32 addrspace(3)*)
-  %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i8
-  %y = inttoptr i8 %x to i32 addrspace(3)*
-  ret i32 addrspace(3)* %y
-}
-
-define i8 @const_fold_ptrtoint() {
-; CHECK-LABEL: @const_fold_ptrtoint(
-; CHECK-NEXT: ret i8 4
-  ret i8 ptrtoint (i32 addrspace(2)* inttoptr (i4 4 to i32 addrspace(2)*) to i8)
-}
-
-; Test that mask happens when the destination pointer is smaller than
-; the original
-define i8 @const_fold_ptrtoint_mask() {
-; CHECK-LABEL: @const_fold_ptrtoint_mask(
-; CHECK-NEXT: ret i8 1
-  ret i8 ptrtoint (i32 addrspace(3)* inttoptr (i32 257 to i32 addrspace(3)*) to i8)
-}
-
-; Address space 0 is too small for the correct mask, should mask with
-; 64-bits instead of 32
-define i64 @const_fold_ptrtoint_mask_small_as0() {
-; CHECK-LABEL: @const_fold_ptrtoint_mask_small_as0(
-; CHECK: ret i64 -1
-  ret i64 ptrtoint (i32 addrspace(1)* inttoptr (i128 -1 to i32 addrspace(1)*) to i64)
-}
-
-define i32 addrspace(3)* @const_inttoptr() {
-; CHECK-LABEL: @const_inttoptr(
-; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i16 4 to i32 addrspace(3)*)
-  %p = inttoptr i16 4 to i32 addrspace(3)*
-  ret i32 addrspace(3)* %p
-}
-
-define i16 @const_ptrtoint() {
-; CHECK-LABEL: @const_ptrtoint(
-; CHECK-NEXT: ret i16 ptrtoint (i32 addrspace(3)* @g to i16)
-  %i = ptrtoint i32 addrspace(3)* @g to i16
-  ret i16 %i
-}
-
-define i16 @const_inttoptr_ptrtoint() {
-; CHECK-LABEL: @const_inttoptr_ptrtoint(
-; CHECK-NEXT: ret i16 9
-  ret i16 ptrtoint (i32 addrspace(3)* inttoptr (i16 9 to i32 addrspace(3)*) to i16)
-}
-
-define i1 @constant_fold_cmp_constantexpr_inttoptr() {
-; CHECK-LABEL: @constant_fold_cmp_constantexpr_inttoptr(
-; CHECK-NEXT: ret i1 true
-  %x = icmp eq i32 addrspace(3)* inttoptr (i16 0 to i32 addrspace(3)*), null
-  ret i1 %x
-}
-
-define i1 @constant_fold_inttoptr_null(i16 %i) {
-; CHECK-LABEL: @constant_fold_inttoptr_null(
-; CHECK-NEXT: ret i1 false
-  %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 0 to i32 addrspace(3)*)
-  ret i1 %x
-}
-
-define i1 @constant_fold_ptrtoint_null() {
-; CHECK-LABEL: @constant_fold_ptrtoint_null(
-; CHECK-NEXT: ret i1 icmp eq (i32 addrspace(3)* @g, i32 addrspace(3)* null)
-  %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* null to i16)
-  ret i1 %x
-}
-
-define i1 @constant_fold_ptrtoint_null_2() {
-; CHECK-LABEL: @constant_fold_ptrtoint_null_2(
-; CHECK-NEXT: ret i1 icmp eq (i32 addrspace(3)* @g, i32 addrspace(3)* null)
-  %x = icmp eq i16 ptrtoint (i32 addrspace(3)* null to i16), ptrtoint (i32 addrspace(3)* @g to i16)
-  ret i1 %x
-}
-
-define i1 @constant_fold_ptrtoint() {
-; CHECK-LABEL: @constant_fold_ptrtoint(
-; CHECK-NEXT: ret i1 true
-  %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* @g to i16)
-  ret i1 %x
-}
-
-define i1 @constant_fold_inttoptr() {
-; CHECK-LABEL: @constant_fold_inttoptr(
-; CHECK-NEXT: ret i1 false
-  %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 27 to i32 addrspace(3)*)
-  ret i1 %x
-}
-
-@g_float_as3 = addrspace(3) global float zeroinitializer
-@g_v4f_as3 = addrspace(3) global <4 x float> zeroinitializer
-
-define float @constant_fold_bitcast_ftoi_load() {
-; CHECK-LABEL: @constant_fold_bitcast_ftoi_load(
-; CHECK: load float, float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
-  %a = load float, float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
-  ret float %a
-}
-
-define i32 @constant_fold_bitcast_itof_load() {
-; CHECK-LABEL: @constant_fold_bitcast_itof_load(
-; CHECK: load i32, i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
-  %a = load i32, i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
-  ret i32 %a
-}
-
-define <4 x float> @constant_fold_bitcast_vector_as() {
-; CHECK-LABEL: @constant_fold_bitcast_vector_as(
-; CHECK: load <4 x float>, <4 x float> addrspace(3)* @g_v4f_as3, align 16
-  %a = load <4 x float>, <4 x float> addrspace(3)* bitcast (<4 x i32> addrspace(3)* bitcast (<4 x float> addrspace(3)* @g_v4f_as3 to <4 x i32> addrspace(3)*) to <4 x float> addrspace(3)*), align 4
-  ret <4 x float> %a
-}
-
-@i32_array_as3 = addrspace(3) global [10 x i32] zeroinitializer
-
-define i32 @test_cast_gep_small_indices_as() {
-; CHECK-LABEL: @test_cast_gep_small_indices_as(
-; CHECK: load i32, i32 addrspace(3)* getelementptr inbounds ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
-   %p = getelementptr [10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i7 0, i7 0
-   %x = load i32, i32 addrspace(3)* %p, align 4
-   ret i32 %x
-}
-
-%struct.foo = type { float, float, [4 x i32], i32 addrspace(3)* }
-
-@constant_fold_global_ptr = addrspace(3) global %struct.foo {
-  float 0.0,
-  float 0.0,
-  [4 x i32] zeroinitializer,
-  i32 addrspace(3)* getelementptr ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0)
-}
-
-define i32 @test_cast_gep_large_indices_as() {
-; CHECK-LABEL: @test_cast_gep_large_indices_as(
-; CHECK: load i32, i32 addrspace(3)* getelementptr inbounds ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
-   %p = getelementptr [10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0
-   %x = load i32, i32 addrspace(3)* %p, align 4
-   ret i32 %x
-}
-
-define i32 @test_constant_cast_gep_struct_indices_as() {
-; CHECK-LABEL: @test_constant_cast_gep_struct_indices_as(
-; CHECK: load i32, i32 addrspace(3)* getelementptr inbounds (%struct.foo, %struct.foo addrspace(3)* @constant_fold_global_ptr, i16 0, i32 2, i16 2), align 8
-  %x = getelementptr %struct.foo, %struct.foo addrspace(3)* @constant_fold_global_ptr, i18 0, i32 2, i12 2
-  %y = load i32, i32 addrspace(3)* %x, align 4
-  ret i32 %y
-}
-
-@constant_data_as3 = addrspace(3) constant [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5]
-
-define i32 @test_read_data_from_global_as3() {
-; CHECK-LABEL: @test_read_data_from_global_as3(
-; CHECK-NEXT: ret i32 2
-  %x = getelementptr [5 x i32], [5 x i32] addrspace(3)* @constant_data_as3, i32 0, i32 1
-  %y = load i32, i32 addrspace(3)* %x, align 4
-  ret i32 %y
-}
-
-@a = addrspace(1) constant i32 9
-@b = addrspace(1) constant i32 23
-@c = addrspace(1) constant i32 34
-@d = addrspace(1) constant i32 99
-
-@ptr_array = addrspace(2) constant [4 x i32 addrspace(1)*] [ i32 addrspace(1)* @a, i32 addrspace(1)* @b, i32 addrspace(1)* @c, i32 addrspace(1)* @d]
-@indirect = addrspace(0) constant i32 addrspace(1)* addrspace(2)* getelementptr inbounds ([4 x i32 addrspace(1)*], [4 x i32 addrspace(1)*] addrspace(2)* @ptr_array, i1 0, i32 2)
-
-define i32 @constant_through_array_as_ptrs() {
-; CHECK-LABEL: @constant_through_array_as_ptrs(
-; CHECK-NEXT: ret i32 34
-  %p = load i32 addrspace(1)* addrspace(2)*, i32 addrspace(1)* addrspace(2)* addrspace(0)* @indirect, align 4
-  %a = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %p, align 4
-  %b = load i32, i32 addrspace(1)* %a, align 4
-  ret i32 %b
-}
-
-@shared_mem = external addrspace(3) global [0 x i8]
-
-define float @canonicalize_addrspacecast(i32 %i) {
-; CHECK-LABEL: @canonicalize_addrspacecast
-; CHECK-NEXT: getelementptr inbounds float, float* addrspacecast (float addrspace(3)* bitcast ([0 x i8] addrspace(3)* @shared_mem to float addrspace(3)*) to float*), i32 %i
-  %p = getelementptr inbounds float, float* addrspacecast ([0 x i8] addrspace(3)* @shared_mem to float*), i32 %i
-  %v = load float, float* %p
-  ret float %v
-}