Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/Analysis/GlobalsModRef/purecse.ll

@@ -1,27 +0,0 @@
-; Test that pure functions are cse'd away
-; RUN: opt < %s -disable-basicaa -globals-aa -gvn -instcombine -S | FileCheck %s
-
-define i32 @pure(i32 %X) {
-        %Y = add i32 %X, 1              ; <i32> [#uses=1]
-        ret i32 %Y
-}
-
-define i32 @test1(i32 %X) {
-; CHECK:      %A = call i32 @pure(i32 %X)
-; CHECK-NEXT: ret i32 0
-        %A = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
-        %B = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
-        %C = sub i32 %A, %B             ; <i32> [#uses=1]
-        ret i32 %C
-}
-
-define i32 @test2(i32 %X, i32* %P) {
-; CHECK:      %A = call i32 @pure(i32 %X)
-; CHECK-NEXT: store i32 %X, i32* %P
-; CHECK-NEXT: ret i32 0
-        %A = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
-        store i32 %X, i32* %P ;; Does not invalidate 'pure' call.
-        %B = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
-        %C = sub i32 %A, %B             ; <i32> [#uses=1]
-        ret i32 %C
-}