1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -reassociate %s -S -o - | FileCheck %s 3 4; Reassociate pass used to crash on these example 5 6@g = global i32 0 7 8define float @undef1() { 9; CHECK-LABEL: @undef1( 10; CHECK-NEXT: ret float fadd (float bitcast (i32 ptrtoint (i32* @g to i32) to float), float fadd (float bitcast (i32 ptrtoint (i32* @g to i32) to float), float fadd (float fneg (float bitcast (i32 ptrtoint (i32* @g to i32) to float)), float fneg (float bitcast (i32 ptrtoint (i32* @g to i32) to float))))) 11; 12 %t0 = fadd fast float bitcast (i32 ptrtoint (i32* @g to i32) to float), bitcast (i32 ptrtoint (i32* @g to i32) to float) 13 %t1 = fsub fast float bitcast (i32 ptrtoint (i32* @g to i32) to float), %t0 14 %t2 = fadd fast float bitcast (i32 ptrtoint (i32* @g to i32) to float), %t1 15 ret float %t2 16} 17 18define void @undef2() { 19; CHECK-LABEL: @undef2( 20; CHECK-NEXT: unreachable 21; 22 %t0 = fadd fast float bitcast (i32 ptrtoint (i32* @g to i32) to float), bitcast (i32 ptrtoint (i32* @g to i32) to float) 23 %t1 = fadd fast float %t0, 1.0 24 %t2 = fsub fast float %t0, %t1 25 %t3 = fmul fast float %t2, 2.0 26 unreachable 27} 28 29