1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=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: [[FACTOR1:%.*]] = fmul fast float -1.000000e+00, bitcast (i32 ptrtoint (ptr @g to i32) to float) 11; CHECK-NEXT: [[REASS_ADD:%.*]] = fadd fast float [[FACTOR1]], bitcast (i32 ptrtoint (ptr @g to i32) to float) 12; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD]], 2.000000e+00 13; CHECK-NEXT: ret float [[REASS_MUL]] 14; 15 %t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float) 16 %t1 = fsub fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t0 17 %t2 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t1 18 ret float %t2 19} 20 21define void @undef2() { 22; CHECK-LABEL: @undef2( 23; CHECK-NEXT: unreachable 24; 25 %t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float) 26 %t1 = fadd fast float %t0, 1.0 27 %t2 = fsub fast float %t0, %t1 28 %t3 = fmul fast float %t2, 2.0 29 unreachable 30} 31 32