xref: /aosp_15_r20/external/llvm/test/Transforms/InstSimplify/fdiv.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; NOTE: Assertions have been autogenerated by update_test_checks.py
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instsimplify -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine double @fdiv_of_undef(double %X) {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @fdiv_of_undef(
6*9880d681SAndroid Build Coastguard Worker; CHECK:         ret double undef
7*9880d681SAndroid Build Coastguard Worker;
8*9880d681SAndroid Build Coastguard Worker; undef / X -> undef
9*9880d681SAndroid Build Coastguard Worker  %r = fdiv double undef, %X
10*9880d681SAndroid Build Coastguard Worker  ret double %r
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine double @fdiv_by_undef(double %X) {
14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @fdiv_by_undef(
15*9880d681SAndroid Build Coastguard Worker; CHECK:         ret double undef
16*9880d681SAndroid Build Coastguard Worker;
17*9880d681SAndroid Build Coastguard Worker; X / undef -> undef
18*9880d681SAndroid Build Coastguard Worker  %r = fdiv double %X, undef
19*9880d681SAndroid Build Coastguard Worker  ret double %r
20*9880d681SAndroid Build Coastguard Worker}
21