Remove pruning of phi nodes in MemorySSA - it makes updating harder

Reviewers: george.burgess.iv

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D24923

llvm-svn: 282419

1 files changed, 0 insertions, 53 deletions

diff --git a/llvm/test/Transforms/Util/MemorySSA/livein.ll b/llvm/test/Transforms/Util/MemorySSA/livein.ll
deleted file mode 100644
index 93072ea97da..00000000000
--- a/llvm/test/Transforms/Util/MemorySSA/livein.ll
+++ /dev/null
@@ -1,53 +0,0 @@
-; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s
-; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s
-define void @F(i8*) {
-  br i1 true, label %left, label %right
-left:
-; CHECK: 1 = MemoryDef(liveOnEntry)
-  store i8 16, i8* %0
-  br label %merge
-right:
-  br label %merge
-
-merge:
-; CHECK-NOT: 2 = MemoryPhi
-ret void 
-}
-
-define void @F2(i8*) {
-  br i1 true, label %left, label %right
-left:
-; CHECK: 1 = MemoryDef(liveOnEntry)
-  store i8 16, i8* %0
-  br label %merge
-right:
-  br label %merge
-
-merge:
-; CHECK: 2 = MemoryPhi({left,1},{right,liveOnEntry})
-%c = load i8, i8* %0
-ret void 
-}
-
-; Ensure we treat def-only blocks as though they have uses for phi placement.
-; CHECK-LABEL: define void @F3
-define void @F3() {
-  %a = alloca i8
-; CHECK: 1 = MemoryDef(liveOnEntry)
-; CHECK-NEXT: store i8 0, i8* %a
-  store i8 0, i8* %a
-  br i1 undef, label %if.then, label %if.end
-
-if.then:
-; CHECK: 2 = MemoryDef(1)
-; CHECK-NEXT: store i8 1, i8* %a
-  store i8 1, i8* %a
-  br label %if.end
-
-if.end:
-; CHECK: 4 = MemoryPhi({%0,1},{if.then,2})
-; CHECK: 3 = MemoryDef(4)
-; CHECK-NEXT: store i8 2, i8* %a
-  store i8 2, i8* %a
-  ret void
-}