add a real testcase for PR4313

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84676 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SCCP/ipsccp-basic.ll b/test/Transforms/SCCP/ipsccp-basic.ll
index 6141972c25b59609469dbf5c820c112819d13e77..d3584d1b3ce72547395985d7dac7d6c56c7e3aaa 100644 (file)
--- a/test/Transforms/SCCP/ipsccp-basic.ll
+++ b/test/Transforms/SCCP/ipsccp-basic.ll
@@ -102,3 +102,35 @@ define internal i64 @test4c(i64 %a) {
 }
 ; CHECK: define internal i64 @test4c
 ; CHECK: ret i64 undef
+
+
+
+;;======================== test5
+
+; PR4313
+define internal {i64,i64} @test5a() {
+  %a = insertvalue {i64,i64} undef, i64 4, 1
+  %b = insertvalue {i64,i64} %a, i64 5, 0
+  ret {i64,i64} %b
+}
+
+define i64 @test5b() {
+  %a = invoke {i64,i64} @test5a()
+          to label %A unwind label %B
+A:
+  %c = call i64 @test5c({i64,i64} %a)
+  ret i64 %c
+B:
+  ret i64 0
+}
+
+; CHECK: define i64 @test5b()
+; CHECK:     A:
+; CHECK-NEXT:  %c = call i64 @test5c(%0 %a)
+; CHECK-NEXT:  ret i64 %c
+
+define internal i64 @test5c({i64,i64} %a) {
+  %b = extractvalue {i64,i64} %a, 0
+  ret i64 %b
+}
+