Add a few cases to instcombine's extractvalue testcase.
llvm-svn: 53675
diff --git a/llvm/test/Transforms/InstCombine/extractvalue.ll b/llvm/test/Transforms/InstCombine/extractvalue.ll
index e84b102..59b996e 100644
--- a/llvm/test/Transforms/InstCombine/extractvalue.ll
+++ b/llvm/test/Transforms/InstCombine/extractvalue.ll
@@ -17,8 +17,22 @@
%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
}