Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LICM/2003-05-02-LoadHoist.ll

@@ -1,23 +0,0 @@
-; This testcase tests for a problem where LICM hoists loads out of a loop 
-; despite the fact that calls to unknown functions may modify what is being 
-; loaded from.  Basically if the load gets hoisted, the subtract gets turned
-; into a constant zero.
-;
-; RUN: opt < %s -licm -gvn -instcombine -S | grep load
-
-@X = global i32 7		; <i32*> [#uses=2]
-
-declare void @foo()
-
-define i32 @test(i1 %c) {
-	%A = load i32, i32* @X		; <i32> [#uses=1]
-	br label %Loop
-Loop:		; preds = %Loop, %0
-	call void @foo( )
-        ;; Should not hoist this load!
-	%B = load i32, i32* @X		; <i32> [#uses=1]
-	br i1 %c, label %Loop, label %Out
-Out:		; preds = %Loop
-	%C = sub i32 %A, %B		; <i32> [#uses=1]
-	ret i32 %C
-}