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authorMatthijs Kooijman <matthijs@stdin.nl>2008-07-16 12:57:25 +0000
committerMatthijs Kooijman <matthijs@stdin.nl>2008-07-16 12:57:25 +0000
commit8cbc9f38eea506496468a728408b991cd3ca20f8 (patch)
treec2ab102d9ee3629375cda90a6bda9a49961b43a9 /test
parentcc3cc80a6a1859bcc2fb598507ae8f26a8515806 (diff)
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Add a few cases to instcombine's extractvalue testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53675 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/extractvalue.ll18
1 files changed, 16 insertions, 2 deletions
diff --git a/test/Transforms/InstCombine/extractvalue.ll b/test/Transforms/InstCombine/extractvalue.ll
index e84b102..59b996e 100644
--- a/test/Transforms/InstCombine/extractvalue.ll
+++ b/test/Transforms/InstCombine/extractvalue.ll
@@ -17,8 +17,22 @@ define i32 @foo() {
%ns1.2 = insertvalue {i32, {i32, i32}} %ns1.1, i32 %v1, 1, 0
%ns1 = insertvalue {i32, {i32, i32}} %ns1.2, i32 %v2, 1, 1
%s2 = extractvalue {i32, {i32, i32}} %ns1, 1
+ %v3 = extractvalue {i32, {i32, i32}} %ns1, 1, 1
call void @bar({i32, i32} %s2)
- %v3 = extractvalue {i32, {i32, i32}} %ns1, 1, 1
- ret i32 %v3
+
+ ; Use nested extractvalues to get to a value
+ %s3 = extractvalue {i32, {i32, i32}} %ns1, 1
+ %v4 = extractvalue {i32, i32} %s3, 1
+ call void @bar({i32, i32} %s3)
+
+ ; Use nested insertvalues to build a nested struct
+ %s4.1 = insertvalue {i32, i32} undef, i32 %v3, 0
+ %s4 = insertvalue {i32, i32} %s4.1, i32 %v4, 1
+ %ns2 = insertvalue {i32, {i32, i32}} undef, {i32, i32} %s4, 1
+
+ ; And now extract a single value from there
+ %v5 = extractvalue {i32, {i32, i32}} %ns2, 1, 1
+
+ ret i32 %v5
}