[llvm-commits] [llvm] r53675 - /llvm/trunk/test/Transforms/InstCombine/extractvalue.ll

Matthijs Kooijman matthijs at stdin.nl
Wed Jul 16 05:57:25 PDT 2008


Author: matthijs
Date: Wed Jul 16 07:57:25 2008
New Revision: 53675

URL: http://llvm.org/viewvc/llvm-project?rev=53675&view=rev
Log:
Add a few cases to instcombine's extractvalue testcase.

Modified:
    llvm/trunk/test/Transforms/InstCombine/extractvalue.ll

Modified: llvm/trunk/test/Transforms/InstCombine/extractvalue.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/extractvalue.ll?rev=53675&r1=53674&r2=53675&view=diff

==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/extractvalue.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/extractvalue.ll Wed Jul 16 07:57:25 2008
@@ -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
 }
 





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