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authorChris Lattner <sabre@nondot.org>2006-04-14 05:09:53 +0000
committerChris Lattner <sabre@nondot.org>2006-04-14 05:09:53 +0000
commitb04d993d72e766bdc3589a953ccb227ba225bfe9 (patch)
tree10f5a5c5f2d4a40e93a44493cfd19043801c4126 /test/Transforms/GCSE
parentb04f7060442dd6379b31a161df3808712fde43b3 (diff)
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new testcase, vector operations should be CSE'd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27690 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GCSE')
-rw-r--r--test/Transforms/GCSE/vectorops.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/GCSE/vectorops.ll b/test/Transforms/GCSE/vectorops.ll
new file mode 100644
index 0000000..4178960
--- /dev/null
+++ b/test/Transforms/GCSE/vectorops.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | opt -gcse -instcombine -disable-output &&
+; RUN: llvm-as < %s | opt -gcse -instcombine | llvm-dis | not grep sub
+
+uint %test_extractelement(<4 x uint> %V) {
+ %R = extractelement <4 x uint> %V, uint 1
+ %R2 = extractelement <4 x uint> %V, uint 1
+ %V = sub uint %R, %R2
+ ret uint %V
+}
+
+<4 x uint> %test_insertelement(<4 x uint> %V) {
+ %R = insertelement <4 x uint> %V, uint 0, uint 0
+ %R2 = insertelement <4 x uint> %V, uint 0, uint 0
+ %x = sub <4 x uint> %R, %R2
+ ret <4 x uint> %x
+}
+
+<4 x uint> %test_shufflevector(<4 x uint> %V) {
+ %R = shufflevector <4 x uint> %V, <4 x uint> %V,
+ <4 x uint> < uint 1, uint undef, uint 7, uint 2>
+ %R2 = shufflevector <4 x uint> %V, <4 x uint> %V,
+ <4 x uint> < uint 1, uint undef, uint 7, uint 2>
+ %x = sub <4 x uint> %R, %R2
+ ret <4 x uint> %x
+}
+