[llvm] r297822 - [DAGCombine] Add reproducer for pr32278

[Zvi Rackover via llvm-commits]

Author: zvi
Date: Wed Mar 15 06:34:51 2017
New Revision: 297822

URL: http://llvm.org/viewvc/llvm-project?rev=297822&view=rev
Log:
[DAGCombine] Add reproducer for pr32278

Added:
    llvm/trunk/test/CodeGen/Generic/pr32278.ll   (with props)

Added: llvm/trunk/test/CodeGen/Generic/pr32278.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Generic/pr32278.ll?rev=297822&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Generic/pr32278.ll (added)
+++ llvm/trunk/test/CodeGen/Generic/pr32278.ll Wed Mar 15 06:34:51 2017
@@ -0,0 +1,12 @@
+; PR32278
+; XFAIL:
+
+; RUN: llc < %s
+
+define i8 @foo_v4i1_0_0_1_1_2_2_3_3(i8 %in) {
+  %trunc = trunc i8 %in to i4
+  %mask = bitcast i4 %trunc to <4 x i1>
+  %s = shufflevector <4 x i1> %mask, <4 x i1> undef, <8 x i32> <i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, i32 3>
+  %b = bitcast <8 x i1> %s to i8
+  ret i8 %b
+}

Propchange: llvm/trunk/test/CodeGen/Generic/pr32278.ll
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