; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=reassociate %s -S -o - | FileCheck %s ; Reassociate pass used to crash on these example @g = global i32 0 define float @undef1() { ; CHECK-LABEL: @undef1( ; CHECK-NEXT: [[FACTOR1:%.*]] = fmul fast float -1.000000e+00, bitcast (i32 ptrtoint (ptr @g to i32) to float) ; CHECK-NEXT: [[REASS_ADD:%.*]] = fadd fast float [[FACTOR1]], bitcast (i32 ptrtoint (ptr @g to i32) to float) ; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD]], 2.000000e+00 ; CHECK-NEXT: ret float [[REASS_MUL]] ; %t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float) %t1 = fsub fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t0 %t2 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t1 ret float %t2 } define void @undef2() { ; CHECK-LABEL: @undef2( ; CHECK-NEXT: unreachable ; %t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float) %t1 = fadd fast float %t0, 1.0 %t2 = fsub fast float %t0, %t1 %t3 = fmul fast float %t2, 2.0 unreachable }