Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Transforms/InstCombine/2004-09-20-BadLoadCombine2.ll

@@ -1,25 +0,0 @@
-; RUN: opt < %s -instcombine -mem2reg -simplifycfg | \
-; RUN:   llvm-dis | grep -v store | not grep "i32 1"
-
-; Test to make sure that instcombine does not accidentally propagate the load
-; into the PHI, which would break the program.
-
-define i32 @test(i1 %C) {
-entry:
-        %X = alloca i32         ; <i32*> [#uses=3]
-        %X2 = alloca i32                ; <i32*> [#uses=2]
-        store i32 1, i32* %X
-        store i32 2, i32* %X2
-        br i1 %C, label %cond_true.i, label %cond_continue.i
-
-cond_true.i:            ; preds = %entry
-        br label %cond_continue.i
-
-cond_continue.i:                ; preds = %cond_true.i, %entry
-        %mem_tmp.i.0 = phi i32* [ %X, %cond_true.i ], [ %X2, %entry ]           ; <i32*> [#uses=1]
-        store i32 3, i32* %X
-        %tmp.3 = load i32, i32* %mem_tmp.i.0         ; <i32> [#uses=1]
-        ret i32 %tmp.3
-}
-
-