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; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
define i64 @f1(i64 %a, i64 %b) {
entry:
; CHECK: f1:
; CHECK: subs r0, r0, r2
; CHECK: sbcs r1, r3
%tmp = sub i64 %a, %b
ret i64 %tmp
}
define i64 @f2(i64 %a, i64 %b) {
entry:
; CHECK: f2:
; CHECK: adds r0, r0, r0
; CHECK: adcs r1, r1
; CHECK: subs r0, r0, r2
; CHECK: sbcs r1, r3
%tmp1 = shl i64 %a, 1
%tmp2 = sub i64 %tmp1, %b
ret i64 %tmp2
}
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