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, 216 deletions

diff --git a/llvm/test/Transforms/AlignmentFromAssumptions/simple.ll b/llvm/test/Transforms/AlignmentFromAssumptions/simple.ll
deleted file mode 100644
index 6ee08b81e27..00000000000
--- a/llvm/test/Transforms/AlignmentFromAssumptions/simple.ll
+++ /dev/null
@@ -1,216 +0,0 @@
-target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
-; RUN: opt < %s -alignment-from-assumptions -S | FileCheck %s
-; RUN: opt < %s -passes=alignment-from-assumptions -S | FileCheck %s
-
-define i32 @foo(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %0 = load i32, i32* %a, align 4
-  ret i32 %0
-
-; CHECK-LABEL: @foo
-; CHECK: load i32, i32* {{[^,]+}}, align 32
-; CHECK: ret i32
-}
-
-define i32 @foo2(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %offsetptr = add i64 %ptrint, 24
-  %maskedptr = and i64 %offsetptr, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 2
-  %0 = load i32, i32* %arrayidx, align 4
-  ret i32 %0
-
-; CHECK-LABEL: @foo2
-; CHECK: load i32, i32* {{[^,]+}}, align 16
-; CHECK: ret i32
-}
-
-define i32 @foo2a(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %offsetptr = add i64 %ptrint, 28
-  %maskedptr = and i64 %offsetptr, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 -1
-  %0 = load i32, i32* %arrayidx, align 4
-  ret i32 %0
-
-; CHECK-LABEL: @foo2a
-; CHECK: load i32, i32* {{[^,]+}}, align 32
-; CHECK: ret i32
-}
-
-define i32 @goo(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %0 = load i32, i32* %a, align 4
-  ret i32 %0
-
-; CHECK-LABEL: @goo
-; CHECK: load i32, i32* {{[^,]+}}, align 32
-; CHECK: ret i32
-}
-
-define i32 @hoo(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.body
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %r.06
-  %indvars.iv.next = add i64 %indvars.iv, 8
-  %1 = trunc i64 %indvars.iv.next to i32
-  %cmp = icmp slt i32 %1, 2048
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:                                          ; preds = %for.body
-  %add.lcssa = phi i32 [ %add, %for.body ]
-  ret i32 %add.lcssa
-
-; CHECK-LABEL: @hoo
-; CHECK: load i32, i32* %arrayidx, align 32
-; CHECK: ret i32 %add.lcssa
-}
-
-define i32 @joo(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.body
-  %indvars.iv = phi i64 [ 4, %entry ], [ %indvars.iv.next, %for.body ]
-  %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %r.06
-  %indvars.iv.next = add i64 %indvars.iv, 8
-  %1 = trunc i64 %indvars.iv.next to i32
-  %cmp = icmp slt i32 %1, 2048
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:                                          ; preds = %for.body
-  %add.lcssa = phi i32 [ %add, %for.body ]
-  ret i32 %add.lcssa
-
-; CHECK-LABEL: @joo
-; CHECK: load i32, i32* %arrayidx, align 16
-; CHECK: ret i32 %add.lcssa
-}
-
-define i32 @koo(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.body
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %r.06
-  %indvars.iv.next = add i64 %indvars.iv, 4
-  %1 = trunc i64 %indvars.iv.next to i32
-  %cmp = icmp slt i32 %1, 2048
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:                                          ; preds = %for.body
-  %add.lcssa = phi i32 [ %add, %for.body ]
-  ret i32 %add.lcssa
-
-; CHECK-LABEL: @koo
-; CHECK: load i32, i32* %arrayidx, align 16
-; CHECK: ret i32 %add.lcssa
-}
-
-define i32 @koo2(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.body
-  %indvars.iv = phi i64 [ -4, %entry ], [ %indvars.iv.next, %for.body ]
-  %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %r.06
-  %indvars.iv.next = add i64 %indvars.iv, 4
-  %1 = trunc i64 %indvars.iv.next to i32
-  %cmp = icmp slt i32 %1, 2048
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:                                          ; preds = %for.body
-  %add.lcssa = phi i32 [ %add, %for.body ]
-  ret i32 %add.lcssa
-
-; CHECK-LABEL: @koo2
-; CHECK: load i32, i32* %arrayidx, align 16
-; CHECK: ret i32 %add.lcssa
-}
-
-define i32 @moo(i32* nocapture %a) nounwind uwtable {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %0 = bitcast i32* %a to i8*
-  tail call void @llvm.memset.p0i8.i64(i8* align 4 %0, i8 0, i64 64, i1 false)
-  ret i32 undef
-
-; CHECK-LABEL: @moo
-; CHECK: @llvm.memset.p0i8.i64(i8* align 32 %0, i8 0, i64 64, i1 false)
-; CHECK: ret i32 undef
-}
-
-define i32 @moo2(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
-entry:
-  %ptrint = ptrtoint i32* %a to i64
-  %maskedptr = and i64 %ptrint, 31
-  %maskcond = icmp eq i64 %maskedptr, 0
-  tail call void @llvm.assume(i1 %maskcond)
-  %ptrint1 = ptrtoint i32* %b to i64
-  %maskedptr3 = and i64 %ptrint1, 127
-  %maskcond4 = icmp eq i64 %maskedptr3, 0
-  tail call void @llvm.assume(i1 %maskcond4)
-  %0 = bitcast i32* %a to i8*
-  %1 = bitcast i32* %b to i8*
-  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 64, i1 false)
-  ret i32 undef
-
-; CHECK-LABEL: @moo2
-; CHECK: @llvm.memcpy.p0i8.p0i8.i64(i8* align 32 %0, i8* align 128 %1, i64 64, i1 false)
-; CHECK: ret i32 undef
-}
-
-declare void @llvm.assume(i1) nounwind
-
-declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind
-