| ; RUN: llc < %s -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \ |
| ; RUN: grep {pre-alloc-split} | grep {Number of intervals split} | grep 1 |
| |
| @current_surfaces.b = external global i1 ; <i1*> [#uses=1] |
| |
| declare double @asin(double) nounwind readonly |
| |
| declare double @tan(double) nounwind readonly |
| |
| define fastcc void @trace_line(i32 %line) nounwind { |
| entry: |
| %.b3 = load i1* @current_surfaces.b ; <i1> [#uses=1] |
| br i1 %.b3, label %bb, label %return |
| |
| bb: ; preds = %bb9.i, %entry |
| %.rle4 = phi double [ %7, %bb9.i ], [ 0.000000e+00, %entry ] ; <double> [#uses=1] |
| %0 = load double* null, align 8 ; <double> [#uses=3] |
| %1 = fcmp une double %0, 0.000000e+00 ; <i1> [#uses=1] |
| br i1 %1, label %bb9.i, label %bb13.i |
| |
| bb9.i: ; preds = %bb |
| %2 = fsub double %.rle4, %0 ; <double> [#uses=0] |
| %3 = tail call double @asin(double %.rle4) nounwind readonly ; <double> [#uses=0] |
| %4 = fmul double 0.000000e+00, %0 ; <double> [#uses=1] |
| %5 = tail call double @tan(double 0.000000e+00) nounwind readonly ; <double> [#uses=0] |
| %6 = fmul double %4, 0.000000e+00 ; <double> [#uses=1] |
| %7 = fadd double %6, 0.000000e+00 ; <double> [#uses=1] |
| br i1 false, label %return, label %bb |
| |
| bb13.i: ; preds = %bb |
| unreachable |
| |
| return: ; preds = %bb9.i, %entry |
| ret void |
| } |