1 ; RUN: opt < %s -passes=instcombine,mem2reg,simplifycfg -simplifycfg-require-and-preserve-domtree=1 | \
2 ; RUN: llvm-dis | grep -v store | not grep "i32 1"
4 ; Test to make sure that instcombine does not accidentally propagate the load
5 ; into the PHI, which would break the program.
7 define i32 @test(i1 %C) {
9 %X = alloca i32 ; <ptr> [#uses=3]
10 %X2 = alloca i32 ; <ptr> [#uses=2]
13 br i1 %C, label %cond_true.i, label %cond_continue.i
15 cond_true.i: ; preds = %entry
16 br label %cond_continue.i
18 cond_continue.i: ; preds = %cond_true.i, %entry
19 %mem_tmp.i.0 = phi ptr [ %X, %cond_true.i ], [ %X2, %entry ] ; <ptr> [#uses=1]
21 %tmp.3 = load i32, ptr %mem_tmp.i.0 ; <i32> [#uses=1]