1; RUN: llc < %s -march=x86 -mattr=sse4.1 | FileCheck %s 2; <rdar://problem/7859988> 3 4; Make sure we don't generate more jumps than we need to. We used to generate 5; something like this: 6; 7; jne LBB0_1 8; jnp LBB0_2 9; LBB0_1: 10; jmp LBB0_3 11; LBB0_2: 12; addsd ... 13; LBB0_3: 14; 15; Now we generate this: 16; 17; jne LBB0_2 18; jp LBB0_2 19; addsd ... 20; LBB0_2: 21 22; CHECK: func 23; CHECK: jne [[LABEL:.*]] 24; CHECK-NEXT: jp [[LABEL]] 25; CHECK-NOT: jmp 26 27define float @func(float %x, float %y) nounwind readnone optsize ssp { 28entry: 29 %0 = fpext float %x to double 30 %1 = fpext float %y to double 31 %2 = fmul double %0, %1 32 %3 = fcmp une double %2, 0.000000e+00 33 br i1 %3, label %bb2, label %bb1 34 35bb1: 36 %4 = fadd double %2, -1.000000e+00 37 br label %bb2 38 39bb2: 40 %.0.in = phi double [ %4, %bb1 ], [ %2, %entry ] 41 %.0 = fptrunc double %.0.in to float 42 ret float %.0 43} 44