xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/thumb2-sub5.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+32bit %s -o - \
2*9880d681SAndroid Build Coastguard Worker; RUN:  | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %a, i64 %b) {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
6*9880d681SAndroid Build Coastguard Worker; CHECK: subs.w r0, r0, r2
7*9880d681SAndroid Build Coastguard Worker; To test dead_carry, +32bit prevents sbc conveting to 16-bit sbcs
8*9880d681SAndroid Build Coastguard Worker; CHECK: sbc.w  r1, r1, r3
9*9880d681SAndroid Build Coastguard Worker    %tmp = sub i64 %a, %b
10*9880d681SAndroid Build Coastguard Worker    ret i64 %tmp
11*9880d681SAndroid Build Coastguard Worker}
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