1 ; RUN: opt < %s -gvn 2 ; PR2032 3 4 define i32 @sscal(i32 %n, double %sa1, float* %sx, i32 %incx) { 5 entry: 6 %sx_addr = alloca float* ; <float**> [#uses=3] 7 store float* %sx, float** %sx_addr, align 4 8 br label %bb33 9 10 bb: ; preds = %bb33 11 %tmp27 = load float** %sx_addr, align 4 ; <float*> [#uses=1] 12 store float 0.000000e+00, float* %tmp27, align 4 13 store float* null, float** %sx_addr, align 4 14 br label %bb33 15 16 bb33: ; preds = %bb, %entry 17 br i1 false, label %bb, label %return 18 19 return: ; preds = %bb33 20 %retval59 = load i32* null, align 4 ; <i32> [#uses=1] 21 ret i32 %retval59 22 } 23
