From: Daniel Berlin <dberlin@dberlin.org>
Date: Mon, 13 Mar 2017 22:43:30 +0000 (+0000)
Subject: NewGVN: We pass rle-nonlocal, we just perform the replacement in a way that keeps... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f3ed5aafdd1e7038edd6614fed1f3e11a6f0bd8f;p=llvm

NewGVN: We pass rle-nonlocal, we just perform the replacement in a way that keeps the old name instead of the new one

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297683 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/NewGVN/rle-nonlocal.ll b/test/Transforms/NewGVN/rle-nonlocal.ll
index 89f5a6affde..d318cd5240d 100644
--- a/test/Transforms/NewGVN/rle-nonlocal.ll
+++ b/test/Transforms/NewGVN/rle-nonlocal.ll
@@ -1,23 +1,37 @@
-; XFAIL: *
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
 
 define i32 @main(i32** %p, i32 %x, i32 %y) {
+; CHECK-LABEL: @main(
+; CHECK-NEXT:  block1:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]]
+; CHECK-NEXT:    br i1 [[CMP]], label [[BLOCK2:%.*]], label [[BLOCK3:%.*]]
+; CHECK:       block2:
+; CHECK-NEXT:    [[A:%.*]] = load i32*, i32** [[P:%.*]]
+; CHECK-NEXT:    br label [[BLOCK4:%.*]]
+; CHECK:       block3:
+; CHECK-NEXT:    [[B:%.*]] = load i32*, i32** [[P]]
+; CHECK-NEXT:    br label [[BLOCK4]]
+; CHECK:       block4:
+; CHECK-NEXT:    [[EXISTINGPHI:%.*]] = phi i32* [ [[A]], [[BLOCK2]] ], [ [[B]], [[BLOCK3]] ]
+; CHECK-NEXT:    [[C:%.*]] = load i32, i32* [[EXISTINGPHI]]
+; CHECK-NEXT:    [[E:%.*]] = add i32 [[C]], [[C]]
+; CHECK-NEXT:    ret i32 [[E]]
+;
 block1:
-    %cmp = icmp eq i32 %x, %y
-	br i1 %cmp , label %block2, label %block3
+  %cmp = icmp eq i32 %x, %y
+  br i1 %cmp , label %block2, label %block3
 
 block2:
- %a = load i32*, i32** %p
- br label %block4
+  %a = load i32*, i32** %p
+  br label %block4
 
 block3:
   %b = load i32*, i32** %p
   br label %block4
 
 block4:
-; CHECK-NOT: %existingPHI = phi
-; CHECK: %DEAD = phi
-  %existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ] 
+  %existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ]
   %DEAD = load i32*, i32** %p
   %c = load i32, i32* %DEAD
   %d = load i32, i32* %existingPHI