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 8 define 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 fsub (float -0.000000e+00, float bitcast (i32 ptrtoint (i32* @g to i32) to float)), float fsub (float -0.000000e+00, 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 18 define 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
