[EarlyCSE] Add additional metadata preservation test (NFC) (a67a21bf) · Commits · llvm-doe / llvm-project

llvm/test/Transforms/EarlyCSE/flags.ll

+12 −0

Original line number	Diff line number	Diff line
		@@ -90,3 +90,15 @@ define void @load_first_nonnull_noundef(ptr %p) {
		call void @use.ptr(ptr %v2)
		ret void
		}

		define ptr @store_to_load_forward(ptr %p, ptr %p2) {
		; CHECK-LABEL: @store_to_load_forward(
		; CHECK-NEXT: [[P3:%.]] = load ptr, ptr [[P:%.]], align 8
		; CHECK-NEXT: store ptr [[P3]], ptr [[P2:%.*]], align 8
		; CHECK-NEXT: ret ptr [[P3]]
		;
		%p3 = load ptr, ptr %p, !nonnull !{}
		store ptr %p3, ptr %p2
		%res = load ptr, ptr %p2
		ret ptr %res
		}