[llvm] r259385 - Add test case missing from r259357 (NFC)

[Matthew Simpson via llvm-commits]

Author: mssimpso
Date: Mon Feb  1 13:09:24 2016
New Revision: 259385

URL: http://llvm.org/viewvc/llvm-project?rev=259385&view=rev
Log:
Add test case missing from r259357 (NFC)

Added:
    llvm/trunk/test/Transforms/SLPVectorizer/AArch64/minimum-sizes.ll

Added: llvm/trunk/test/Transforms/SLPVectorizer/AArch64/minimum-sizes.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SLPVectorizer/AArch64/minimum-sizes.ll?rev=259385&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/SLPVectorizer/AArch64/minimum-sizes.ll (added)
+++ llvm/trunk/test/Transforms/SLPVectorizer/AArch64/minimum-sizes.ll Mon Feb  1 13:09:24 2016
@@ -0,0 +1,26 @@
+; RUN: opt -S -slp-vectorizer < %s | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64--linux-gnu"
+
+; This test ensures that we do not regress due to PR26364. The vectorizer
+; should not compute a smaller size for %k.13 since it is in a use-def cycle
+; and cannot be demoted.
+;
+; CHECK-LABEL: @PR26364
+; CHECK: %k.13 = phi i32
+;
+define fastcc void @PR26364() {
+entry:
+  br i1 undef, label %for.end11, label %for.cond4
+
+for.cond4:
+  %k.13 = phi i32 [ undef, %entry ], [ %k.3, %for.cond4 ]
+  %e.02 = phi i32 [ 1, %entry ], [ 0, %for.cond4 ]
+  %e.1 = select i1 undef, i32 %e.02, i32 0
+  %k.3 = select i1 undef, i32 %k.13, i32 undef
+  br label %for.cond4
+
+for.end11:
+  ret void
+}