[llvm] r297683 - NewGVN: We pass rle-nonlocal, we just perform the replacement in a way that keeps the old name instead of the new one

[Daniel Berlin via llvm-commits]

Author: dannyb
Date: Mon Mar 13 17:43:30 2017
New Revision: 297683

URL: http://llvm.org/viewvc/llvm-project?rev=297683&view=rev
Log:
NewGVN: We pass rle-nonlocal, we just perform the replacement in a way that keeps the old name instead of the new one

Modified:
    llvm/trunk/test/Transforms/NewGVN/rle-nonlocal.ll

Modified: llvm/trunk/test/Transforms/NewGVN/rle-nonlocal.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/NewGVN/rle-nonlocal.ll?rev=297683&r1=297682&r2=297683&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/NewGVN/rle-nonlocal.ll (original)
+++ llvm/trunk/test/Transforms/NewGVN/rle-nonlocal.ll Mon Mar 13 17:43:30 2017
@@ -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