; This test checks to see if scalarrepl also works when a gep with all zeroes is ; used instead of a bitcast to prepare a memmove pointer argument. Previously, ; this would not work when there was a vector involved in the struct, preventing ; scalarrepl from removing the alloca below. ; RUN: opt < %s -scalarrepl -S > %t ; RUN: cat %t | not grep alloca %struct.two = type <{ < 2 x i8 >, i16 }> define void @main(%struct.two* %D, i16 %V) { entry: %S = alloca %struct.two %S.2 = getelementptr %struct.two* %S, i32 0, i32 1 store i16 %V, i16* %S.2 ; This gep is effectively a bitcast to i8*, but is sometimes generated ; because the type of the first element in %struct.two is i8. %tmpS = getelementptr %struct.two* %S, i32 0, i32 0, i32 0 %tmpD = bitcast %struct.two* %D to i8* call void @llvm.memmove.i32(i8* %tmpD, i8* %tmpS, i32 4, i32 1) ret void } declare void @llvm.memmove.i32(i8*, i8*, i32, i32) nounwind