2014-04-03 23:47:24 +00:00
|
|
|
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
|
2009-06-25 20:59:23 +00:00
|
|
|
|
|
|
|
define i64 @f1(i64 %a, i64 %b) {
|
|
|
|
entry:
|
2013-07-14 06:24:09 +00:00
|
|
|
; CHECK-LABEL: f1:
|
2009-08-12 01:49:45 +00:00
|
|
|
; CHECK: subs r0, r0, r2
|
|
|
|
; CHECK: sbcs r1, r3
|
2009-06-25 20:59:23 +00:00
|
|
|
%tmp = sub i64 %a, %b
|
|
|
|
ret i64 %tmp
|
|
|
|
}
|
|
|
|
|
|
|
|
define i64 @f2(i64 %a, i64 %b) {
|
|
|
|
entry:
|
2013-07-14 06:24:09 +00:00
|
|
|
; CHECK-LABEL: f2:
|
2009-08-12 01:49:45 +00:00
|
|
|
; CHECK: adds r0, r0, r0
|
|
|
|
; CHECK: adcs r1, r1
|
|
|
|
; CHECK: subs r0, r0, r2
|
|
|
|
; CHECK: sbcs r1, r3
|
2009-06-25 20:59:23 +00:00
|
|
|
%tmp1 = shl i64 %a, 1
|
|
|
|
%tmp2 = sub i64 %tmp1, %b
|
|
|
|
ret i64 %tmp2
|
|
|
|
}
|
2012-10-24 19:53:01 +00:00
|
|
|
|
|
|
|
; rdar://12559385
|
|
|
|
define i64 @f3(i32 %vi) {
|
|
|
|
entry:
|
2013-07-14 06:24:09 +00:00
|
|
|
; CHECK-LABEL: f3:
|
2012-10-24 19:53:01 +00:00
|
|
|
; CHECK: movw [[REG:r[0-9]+]], #36102
|
|
|
|
; CHECK: sbcs r{{[0-9]+}}, [[REG]]
|
|
|
|
%v0 = zext i32 %vi to i64
|
|
|
|
%v1 = xor i64 %v0, -155057456198619
|
|
|
|
%v4 = add i64 %v1, 155057456198619
|
|
|
|
%v5 = add i64 %v4, %v1
|
|
|
|
ret i64 %v5
|
|
|
|
}
|