xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2011-04-15-RegisterCmpPeephole.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; CHECK: _f
4*9880d681SAndroid Build Coastguard Worker; CHECK: adds
5*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: cmp
6*9880d681SAndroid Build Coastguard Worker; CHECK: bleq _h
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i32 @f(i32 %a, i32 %b) nounwind ssp {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %b, %a
11*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %add, 0
12*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.end
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
15*9880d681SAndroid Build Coastguard Worker  tail call void (...) @h(i32 %a, i32 %b) nounwind
16*9880d681SAndroid Build Coastguard Worker  br label %if.end
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %if.then, %entry
19*9880d681SAndroid Build Coastguard Worker  ret i32 %add
20*9880d681SAndroid Build Coastguard Worker}
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker; CHECK: _g
23*9880d681SAndroid Build Coastguard Worker; CHECK: orrs
24*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: cmp
25*9880d681SAndroid Build Coastguard Worker; CHECK: bleq _h
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerdefine i32 @g(i32 %a, i32 %b) nounwind ssp {
28*9880d681SAndroid Build Coastguard Workerentry:
29*9880d681SAndroid Build Coastguard Worker  %add = or i32 %b, %a
30*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %add, 0
31*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.end
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
34*9880d681SAndroid Build Coastguard Worker  tail call void (...) @h(i32 %a, i32 %b) nounwind
35*9880d681SAndroid Build Coastguard Worker  br label %if.end
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %if.then, %entry
38*9880d681SAndroid Build Coastguard Worker  ret i32 %add
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerdeclare void @h(...)
42