Patch provide by Tom Roeder!

Reviewed by Joe Abbey and Tobias Grosser

Here is a patch that fixes decoding of CE_SELECT in BitcodeReader,
along with a simple test case. The problem in the current code is that
it generates but doesn't accept bitcode that uses vectors for the
first element of a select in this context.

llvm-svn: 190634

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/test/Bitcode/select.ll b/llvm/test/Bitcode/select.ll
new file mode 100644
index 00000000000..71e669a90cd
--- /dev/null
+++ b/llvm/test/Bitcode/select.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+define <2 x i32> @main() {
+  ret <2 x i32> select (<2 x i1> <i1 false, i1 undef>, <2 x i32> zeroinitializer, <2 x i32> <i32 0, i32 undef>)
+}
+
+; CHECK: define <2 x i32> @main() {
+; CHECK:   ret <2 x i32> select (<2 x i1> <i1 false, i1 undef>, <2 x i32> zeroinitializer, <2 x i32> <i32 0, i32 undef>)
+; CHECK: }