1 ; RUN: opt -reassociate %s -S -o - | FileCheck %s 2 3 ; Reassociate pass used to crash on these example 4 5 6 define float @undef1() { 7 wrapper_entry: 8 ; CHECK-LABEL: @undef1 9 ; CHECK: ret float fadd (float undef, float fadd (float undef, float fadd (float fsub (float -0.000000e+00, float undef), float fsub (float -0.000000e+00, float undef)))) 10 %0 = fadd fast float undef, undef 11 %1 = fsub fast float undef, %0 12 %2 = fadd fast float undef, %1 13 ret float %2 14 } 15 16 define void @undef2() { 17 wrapper_entry: 18 ; CHECK-LABEL: @undef2 19 ; CHECK: unreachable 20 %0 = fadd fast float undef, undef 21 %1 = fadd fast float %0, 1.000000e+00 22 %2 = fsub fast float %0, %1 23 %3 = fmul fast float %2, 2.000000e+00 24 unreachable 25 } 26