1 ; Test promotion of loads that use the result of a select instruction. This 2 ; should be simplified by the instcombine pass. 3 4 ; RUN: opt < %s -instcombine -mem2reg -S | not grep alloca 5 6 define i32 @main() { 7 %mem_tmp.0 = alloca i32 ; <i32*> [#uses=3] 8 %mem_tmp.1 = alloca i32 ; <i32*> [#uses=3] 9 store i32 0, i32* %mem_tmp.0 10 store i32 1, i32* %mem_tmp.1 11 %tmp.1.i = load i32, i32* %mem_tmp.1 ; <i32> [#uses=1] 12 %tmp.3.i = load i32, i32* %mem_tmp.0 ; <i32> [#uses=1] 13 %tmp.4.i = icmp sle i32 %tmp.1.i, %tmp.3.i ; <i1> [#uses=1] 14 %mem_tmp.i.0 = select i1 %tmp.4.i, i32* %mem_tmp.1, i32* %mem_tmp.0 ; <i32*> [#uses=1] 15 %tmp.3 = load i32, i32* %mem_tmp.i.0 ; <i32> [#uses=1] 16 ret i32 %tmp.3 17 } 18 19
