llvm-for-llvmta/test/CodeGen/Thumb2/thumb2-sub5.ll

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2022-04-25 10:02:23 +02:00
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+32bit %s -o - \
; RUN: | FileCheck %s
define i64 @f1(i64 %a, i64 %b) {
; CHECK-LABEL: f1:
; CHECK: subs.w r0, r0, r2
; To test dead_carry, +32bit prevents sbc conveting to 16-bit sbcs
; CHECK: sbc.w r1, r1, r3
%tmp = sub i64 %a, %b
ret i64 %tmp
}