; 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 }