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Add a few cases to instcombine's extractvalue testcase.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53675 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthijs Kooijman
2008-07-16 12:57:25 +00:00
parent 5f0028e211
commit d8b4d60490
1 changed files with 16 additions and 2 deletions
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18
test/Transforms/InstCombine/extractvalue.ll
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@@ -17,8 +17,22 @@ define i32 @foo() {
%ns1.2 = insertvalue {i32, {i32, i32}} %ns1.1, i32 %v1, 1, 0 %ns1.2 = insertvalue {i32, {i32, i32}} %ns1.1, i32 %v1, 1, 0
%ns1 = insertvalue {i32, {i32, i32}} %ns1.2, i32 %v2, 1, 1 %ns1 = insertvalue {i32, {i32, i32}} %ns1.2, i32 %v2, 1, 1
%s2 = extractvalue {i32, {i32, i32}} %ns1, 1 %s2 = extractvalue {i32, {i32, i32}} %ns1, 1
%v3 = extractvalue {i32, {i32, i32}} %ns1, 1, 1
call void @bar({i32, i32} %s2) 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
} }