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authorPirama Arumuga Nainar <pirama@google.com>2015-04-08 08:55:49 -0700
committerPirama Arumuga Nainar <pirama@google.com>2015-04-09 15:04:38 -0700
commit4c5e43da7792f75567b693105cc53e3f1992ad98 (patch)
tree1b2c9792582e12f5af0b1512e3094425f0dc0df9 /test/CodeGen/X86/and-load-fold.ll
parentc75239e6119d0f9a74c57099d91cbc9bde56bf33 (diff)
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Update aosp/master llvm for rebase to r233350
Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
Diffstat (limited to 'test/CodeGen/X86/and-load-fold.ll')
-rw-r--r--test/CodeGen/X86/and-load-fold.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/and-load-fold.ll b/test/CodeGen/X86/and-load-fold.ll
new file mode 100644
index 0000000..29ab324
--- /dev/null
+++ b/test/CodeGen/X86/and-load-fold.ll
@@ -0,0 +1,15 @@
+; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=generic < %s | FileCheck %s
+
+; Verify that the DAGCombiner doesn't wrongly remove the 'and' from the dag.
+
+define i8 @foo(<4 x i8>* %V) {
+; CHECK-LABEL: foo:
+; CHECK: pand
+; CHECK: ret
+entry:
+ %Vp = bitcast <4 x i8>* %V to <3 x i8>*
+ %V3i8 = load <3 x i8>, <3 x i8>* %Vp, align 4
+ %0 = and <3 x i8> %V3i8, <i8 undef, i8 undef, i8 95>
+ %1 = extractelement <3 x i8> %0, i64 2
+ ret i8 %1
+}