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

8 files changed, 0 insertions, 261 deletions

diff --git a/llvm/test/Transforms/ConstantMerge/2002-09-23-CPR-Update.ll b/llvm/test/Transforms/ConstantMerge/2002-09-23-CPR-Update.ll
deleted file mode 100644
index 2e83503af81..00000000000
--- a/llvm/test/Transforms/ConstantMerge/2002-09-23-CPR-Update.ll
+++ /dev/null
@@ -1,13 +0,0 @@
-; RUN: opt < %s -constmerge > /dev/null
-
-@foo.upgrd.1 = internal constant { i32 } { i32 7 }              ; <{ i32 }*> [#uses=1]
-@bar = internal constant { i32 } { i32 7 }              ; <{ i32 }*> [#uses=1]
-
-declare i32 @test(i32*)
-
-define void @foo() {
-        call i32 @test( i32* getelementptr ({ i32 }, { i32 }* @foo.upgrd.1, i64 0, i32 0) )              ; <i32>:1 [#uses=0]
-        call i32 @test( i32* getelementptr ({ i32 }, { i32 }* @bar, i64 0, i32 0) )              ; <i32>:2 [#uses=0]
-        ret void
-}
-
diff --git a/llvm/test/Transforms/ConstantMerge/2003-10-28-MergeExternalConstants.ll b/llvm/test/Transforms/ConstantMerge/2003-10-28-MergeExternalConstants.ll
deleted file mode 100644
index a415995070e..00000000000
--- a/llvm/test/Transforms/ConstantMerge/2003-10-28-MergeExternalConstants.ll
+++ /dev/null
@@ -1,7 +0,0 @@
-; RUN: opt -S -constmerge < %s | FileCheck %s
-
-; CHECK: @foo = constant i32 6
-; CHECK: @bar = constant i32 6
-@foo = constant i32 6           ; <i32*> [#uses=0]
-@bar = constant i32 6           ; <i32*> [#uses=0]
-
diff --git a/llvm/test/Transforms/ConstantMerge/2011-01-15-EitherOrder.ll b/llvm/test/Transforms/ConstantMerge/2011-01-15-EitherOrder.ll
deleted file mode 100644
index 5aafcfe3d4f..00000000000
--- a/llvm/test/Transforms/ConstantMerge/2011-01-15-EitherOrder.ll
+++ /dev/null
@@ -1,18 +0,0 @@
-; RUN: opt -constmerge -S < %s | FileCheck %s
-; PR8978
-
-declare i32 @zed(%struct.foobar*, %struct.foobar*)
-
-%struct.foobar = type { i32 }
-; CHECK: bar.d
-@bar.d =  unnamed_addr constant %struct.foobar zeroinitializer, align 4
-; CHECK-NOT: foo.d
-@foo.d = internal constant %struct.foobar zeroinitializer, align 4
-define i32 @main() nounwind ssp {
-entry:
-; CHECK: bar.d
-  %call2 = tail call i32 @zed(%struct.foobar* @foo.d, %struct.foobar* @bar.d)
-nounwind
-  ret i32 0
-}
-
diff --git a/llvm/test/Transforms/ConstantMerge/align.ll b/llvm/test/Transforms/ConstantMerge/align.ll
deleted file mode 100644
index c1cbcb3c652..00000000000
--- a/llvm/test/Transforms/ConstantMerge/align.ll
+++ /dev/null
@@ -1,28 +0,0 @@
-; RUN: opt -constmerge -S < %s | FileCheck %s
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-
-
-; Test that with a TD we do merge and mark the alignment as 4
-@T1A = internal unnamed_addr constant i32 1
-@T1B = internal unnamed_addr constant i32 1, align 2
-; CHECK: @T1B = internal unnamed_addr constant i32 1, align 4
-
-define void @test1(i32** %P1, i32** %P2) {
-  store i32* @T1A, i32** %P1
-  store i32* @T1B, i32** %P2
-  ret void
-}
-
-
-; Test that even with a TD we set the alignment to the maximum if both constants
-; have explicit alignments.
-@T2A = internal unnamed_addr constant i32 2, align 1
-@T2B = internal unnamed_addr constant i32 2, align 2
-; CHECK: @T2B = internal unnamed_addr constant i32 2, align 2
-
-define void @test2(i32** %P1, i32** %P2) {
-  store i32* @T2A, i32** %P1
-  store i32* @T2B, i32** %P2
-  ret void
-}
diff --git a/llvm/test/Transforms/ConstantMerge/dont-merge.ll b/llvm/test/Transforms/ConstantMerge/dont-merge.ll
deleted file mode 100644
index 21e390785df..00000000000
--- a/llvm/test/Transforms/ConstantMerge/dont-merge.ll
+++ /dev/null
@@ -1,82 +0,0 @@
-; RUN: opt < %s -constmerge -S | FileCheck %s
-
-; Don't merge constants with specified sections.
-
-@T1G1 = internal constant i32 1, section "foo"
-@T1G2 = internal constant i32 1, section "bar"
-@T1G3 = internal constant i32 1, section "bar"
-
-; CHECK: @T1G1
-; CHECK: @T1G2
-; CHECK: @T1G3
-
-define void @test1(i32** %P1, i32** %P2, i32** %P3) {
-        store i32* @T1G1, i32** %P1
-        store i32* @T1G2, i32** %P2
-        store i32* @T1G3, i32** %P3
-        ret void
-}
-
-@T2a = internal constant i32 224
-@T2b = internal addrspace(30) constant i32 224
-
-; CHECK: @T2a
-; CHECK: @T2b
-
-define void @test2(i32** %P1, i32 addrspace(30)** %P2) {
-        store i32* @T2a, i32** %P1
-        store i32 addrspace(30)*  @T2b, i32 addrspace(30)** %P2
-        ret void
-}
-
-; PR8144 - Don't merge globals marked attribute(used)
-; CHECK: @T3A = 
-; CHECK: @T3B = 
-
-@T3A = internal constant i32 0
-@T3B = internal constant i32 0
-@llvm.used = appending global [2 x i32*] [i32* @T3A, i32* @T3B], section
-"llvm.metadata"
-
-define void @test3() {
-  call void asm sideeffect "T3A, T3B",""() ; invisible use of T3A and T3B
-  ret void
-}
-
-; Don't merge constants with !type annotations.
-
-@T4A1 = internal constant i32 2, !type !0
-@T4A2 = internal unnamed_addr constant i32 2, !type !1
-
-@T4B1 = internal constant i32 3, !type !0
-@T4B2 = internal unnamed_addr constant i32 3, !type !0
-
-@T4C1 = internal constant i32 4, !type !0
-@T4C2 = unnamed_addr constant i32 4
-
-@T4D1 = unnamed_addr constant i32 5, !type !0
-@T4D2 = internal constant i32 5
-
-!0 = !{i64 0, !"typeinfo name for A"}
-!1 = !{i64 0, !"typeinfo name for B"}
-
-; CHECK: @T4A1
-; CHECK: @T4A2
-; CHECK: @T4B1
-; CHECK: @T4B2
-; CHECK: @T4C1
-; CHECK: @T4C2
-; CHECK: @T4D1
-; CHECK: @T4D2
-
-define void @test4(i32** %P1, i32** %P2, i32** %P3, i32** %P4, i32** %P5, i32** %P6, i32** %P7, i32** %P8) {
-        store i32* @T4A1, i32** %P1
-        store i32* @T4A2, i32** %P2
-        store i32* @T4B1, i32** %P3
-        store i32* @T4B2, i32** %P4
-        store i32* @T4C1, i32** %P5
-        store i32* @T4C2, i32** %P6
-        store i32* @T4D1, i32** %P7
-        store i32* @T4D2, i32** %P8
-        ret void
-}
diff --git a/llvm/test/Transforms/ConstantMerge/merge-both.ll b/llvm/test/Transforms/ConstantMerge/merge-both.ll
deleted file mode 100644
index 824ad5ab144..00000000000
--- a/llvm/test/Transforms/ConstantMerge/merge-both.ll
+++ /dev/null
@@ -1,41 +0,0 @@
-; RUN: opt -S < %s -passes=constmerge | FileCheck %s
-; Test that in one run var3 is merged into var2 and var1 into var4.
-; Test that we merge @var5 and @var6 into one with the higher alignment
-
-declare void @zed(%struct.foobar*, %struct.foobar*)
-
-%struct.foobar = type { i32 }
-
-@var1 = internal constant %struct.foobar { i32 2 }
-@var2 = unnamed_addr constant %struct.foobar { i32 2 }
-@var3 = internal constant %struct.foobar { i32 2 }
-@var4 = unnamed_addr constant %struct.foobar { i32 2 }
-
-; CHECK:      %struct.foobar = type { i32 }
-; CHECK-NOT: @
-; CHECK: @var2 = constant %struct.foobar { i32 2 }
-; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 }
-
-declare void @helper([16 x i8]*)
-@var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16
-@var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1
-@var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
-@var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00"
-
-; CHECK-NEXT: @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
-; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16
-
-@var4a = alias %struct.foobar, %struct.foobar* @var4
-@llvm.used = appending global [1 x %struct.foobar*] [%struct.foobar* @var4a], section "llvm.metadata"
-
-define i32 @main() {
-entry:
-  call void @zed(%struct.foobar* @var1, %struct.foobar* @var2)
-  call void @zed(%struct.foobar* @var3, %struct.foobar* @var4)
-  call void @helper([16 x i8]* @var5)
-  call void @helper([16 x i8]* @var6)
-  call void @helper([16 x i8]* @var7)
-  call void @helper([16 x i8]* @var8)
-  ret i32 0
-}
-
diff --git a/llvm/test/Transforms/ConstantMerge/merge-dbg.ll b/llvm/test/Transforms/ConstantMerge/merge-dbg.ll
deleted file mode 100644
index 6ea680cfb34..00000000000
--- a/llvm/test/Transforms/ConstantMerge/merge-dbg.ll
+++ /dev/null
@@ -1,32 +0,0 @@
-; RUN: opt < %s -constmerge -S | FileCheck %s
-
-; CHECK: = constant i32 1, !dbg [[A:![0-9]+]], !dbg [[B:![0-9]+]]
-@a = internal constant i32 1, !dbg !0
-@b = unnamed_addr constant i32 1, !dbg !9
-
-define void @test1(i32** %P1, i32** %P2) {
-  store i32* @a, i32** %P1
-  store i32* @b, i32** %P2
-  ret void
-}
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!7, !8}
-
-; CHECK: [[A]] = !DIGlobalVariableExpression(var: [[VA:![0-9]+]], expr: !DIExpression())
-; CHECK: [[VA]] = distinct !DIGlobalVariable(name: "y"
-; CHECK: [[B]] = !DIGlobalVariableExpression(var: [[VB:![0-9]+]], expr: !DIExpression())
-; CHECK: [[VB]] = distinct !DIGlobalVariable(name: "x"
-
-!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 5.0.0 (trunk 297227) (llvm/trunk 297234)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
-!3 = !DIFile(filename: "1.cc", directory: "/build")
-!4 = !{}
-!5 = !{!0}
-!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!7 = !{i32 2, !"Dwarf Version", i32 4}
-!8 = !{i32 2, !"Debug Info Version", i32 3}
-
-!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
-!10 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
diff --git a/llvm/test/Transforms/ConstantMerge/unnamed-addr.ll b/llvm/test/Transforms/ConstantMerge/unnamed-addr.ll
deleted file mode 100644
index aff8540f2cb..00000000000
--- a/llvm/test/Transforms/ConstantMerge/unnamed-addr.ll
+++ /dev/null
@@ -1,40 +0,0 @@
-; RUN: opt -constmerge -S < %s | FileCheck %s
-; Test which corresponding x and y are merged and that unnamed_addr
-; is correctly set.
-
-declare void @zed(%struct.foobar*, %struct.foobar*)
-
-%struct.foobar = type { i32 }
-
-@test1.x = internal constant %struct.foobar { i32 1 }
-@test1.y = constant %struct.foobar { i32 1 }
-
-@test2.x = internal constant %struct.foobar { i32 2 }
-@test2.y = unnamed_addr constant %struct.foobar { i32 2 }
-
-@test3.x = internal unnamed_addr constant %struct.foobar { i32 3 }
-@test3.y = constant %struct.foobar { i32 3 }
-
-@test4.x = internal unnamed_addr constant %struct.foobar { i32 4 }
-@test4.y = unnamed_addr constant %struct.foobar { i32 4 }
-
-
-; CHECK:      %struct.foobar = type { i32 }
-; CHECK-NOT: @
-; CHECK: @test1.x = internal constant %struct.foobar { i32 1 }
-; CHECK-NEXT: @test1.y = constant %struct.foobar { i32 1 }
-; CHECK-NEXT: @test2.y = constant %struct.foobar { i32 2 }
-; CHECK-NEXT: @test3.y = constant %struct.foobar { i32 3 }
-; CHECK-NEXT: @test4.y = unnamed_addr constant %struct.foobar { i32 4 }
-; CHECK-NOT: @
-; CHECK: declare void @zed(%struct.foobar*, %struct.foobar*)
-
-define i32 @main() {
-entry:
-  call void @zed(%struct.foobar* @test1.x, %struct.foobar* @test1.y)
-  call void @zed(%struct.foobar* @test2.x, %struct.foobar* @test2.y)
-  call void @zed(%struct.foobar* @test3.x, %struct.foobar* @test3.y)
-  call void @zed(%struct.foobar* @test4.x, %struct.foobar* @test4.y)
-  ret i32 0
-}
-