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authorNadav Rotem <nadav.rotem@intel.com>2011-06-20 07:15:58 +0000
committerNadav Rotem <nadav.rotem@intel.com>2011-06-20 07:15:58 +0000
commit4720611025276f01b158a1522620391332ffdc32 (patch)
tree8d827d8d38db46dc78dc2969ef8942405367fb6c /test/CodeGen/X86/promote-trunc.ll
parent289a27946fc11ae6b5a9aa517639d94efa4d91d9 (diff)
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Fix PromoteIntRes_TRUNCATE: Add support for cases where the
source vector type is to be split while the target vector is to be promoted. (eg: <4 x i64> -> <4 x i8> ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133424 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/promote-trunc.ll')
-rw-r--r--test/CodeGen/X86/promote-trunc.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/X86/promote-trunc.ll b/test/CodeGen/X86/promote-trunc.ll
new file mode 100644
index 0000000..4211d82
--- /dev/null
+++ b/test/CodeGen/X86/promote-trunc.ll
@@ -0,0 +1,11 @@
+; RUN: llc -promote-elements < %s -march=x86-64
+
+define<4 x i8> @func_8_64() {
+ %F = load <4 x i64>* undef
+ %G = trunc <4 x i64> %F to <4 x i8>
+ %H = load <4 x i64>* undef
+ %Y = trunc <4 x i64> %H to <4 x i8>
+ %T = add <4 x i8> %Y, %G
+ ret <4 x i8> %T
+}
+