[InstSimplify] Don't assume getAggregateElement will succeed
It isn't always possible to get a value from getAggregateElement.
This fixes PR24488.
llvm-svn: 245365
diff --git a/llvm/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll b/llvm/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll
index 7e391ab..441bc1a 100644
--- a/llvm/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll
+++ b/llvm/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll
@@ -36,3 +36,13 @@
; CHECK-LABEL: @test3(
; CHECK: ret i32 %a
}
+
+define i8 @test4(<8 x i8> %V) {
+ %add = add <8 x i8> %V, bitcast (double 0x319BEB8FD172E36 to <8 x i8>)
+ %extract = extractelement <8 x i8> %add, i32 6
+ ret i8 %extract
+; CHECK-LABEL: @test4(
+; CHECK: %[[add:.*]] = add <8 x i8> %V, bitcast (<1 x double> <double 0x319BEB8FD172E36> to <8 x i8>)
+; CHECK-NEXT: %[[extract:.*]] = extractelement <8 x i8> %[[add]], i32 6
+; CHECK-NEXT: ret i8 %[[extract]]
+}