xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/carry.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %a, i64 %b) {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
6*9880d681SAndroid Build Coastguard Worker; CHECK: subs r0, r0, r2
7*9880d681SAndroid Build Coastguard Worker; CHECK: sbcs r1, r3
8*9880d681SAndroid Build Coastguard Worker	%tmp = sub i64 %a, %b
9*9880d681SAndroid Build Coastguard Worker	ret i64 %tmp
10*9880d681SAndroid Build Coastguard Worker}
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %a, i64 %b) {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
15*9880d681SAndroid Build Coastguard Worker; CHECK: lsls  r1, r1, #1
16*9880d681SAndroid Build Coastguard Worker; CHECK: orr.w r1, r1, r0, lsr #31
17*9880d681SAndroid Build Coastguard Worker; CHECK: rsbs  r0, r2, r0, lsl #1
18*9880d681SAndroid Build Coastguard Worker; CHECK: sbcs  r1, r3
19*9880d681SAndroid Build Coastguard Worker        %tmp1 = shl i64 %a, 1
20*9880d681SAndroid Build Coastguard Worker	%tmp2 = sub i64 %tmp1, %b
21*9880d681SAndroid Build Coastguard Worker	ret i64 %tmp2
22*9880d681SAndroid Build Coastguard Worker}
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker; rdar://12559385
25*9880d681SAndroid Build Coastguard Workerdefine i64 @f3(i32 %vi) {
26*9880d681SAndroid Build Coastguard Workerentry:
27*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
28*9880d681SAndroid Build Coastguard Worker; CHECK: movw [[REG:r[0-9]+]], #36102
29*9880d681SAndroid Build Coastguard Worker; CHECK: sbcs r{{[0-9]+}}, [[REG]]
30*9880d681SAndroid Build Coastguard Worker    %v0 = zext i32 %vi to i64
31*9880d681SAndroid Build Coastguard Worker    %v1 = xor i64 %v0, -155057456198619
32*9880d681SAndroid Build Coastguard Worker    %v4 = add i64 %v1, 155057456198619
33*9880d681SAndroid Build Coastguard Worker    %v5 = add i64 %v4, %v1
34*9880d681SAndroid Build Coastguard Worker    ret i64 %v5
35*9880d681SAndroid Build Coastguard Worker}
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