xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/validate-offset.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s -O0
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; This is a regression test which makes sure that the offset check
4*9880d681SAndroid Build Coastguard Worker; is available for STRiw_indexed instruction. This is required
5*9880d681SAndroid Build Coastguard Worker; by 'Hexagon Expand Predicate Spill Code' pass.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @f(i32 %a, i32 %b) nounwind {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %retval = alloca i32, align 4
10*9880d681SAndroid Build Coastguard Worker  %a.addr = alloca i32, align 4
11*9880d681SAndroid Build Coastguard Worker  %b.addr = alloca i32, align 4
12*9880d681SAndroid Build Coastguard Worker  store i32 %a, i32* %a.addr, align 4
13*9880d681SAndroid Build Coastguard Worker  store i32 %b, i32* %b.addr, align 4
14*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %a.addr, align 4
15*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %b.addr, align 4
16*9880d681SAndroid Build Coastguard Worker  %cmp = icmp sgt i32 %0, %1
17*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.else
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerif.then:
20*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %a.addr, align 4
21*9880d681SAndroid Build Coastguard Worker  %3 = load i32, i32* %b.addr, align 4
22*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %2, %3
23*9880d681SAndroid Build Coastguard Worker  store i32 %add, i32* %retval
24*9880d681SAndroid Build Coastguard Worker  br label %return
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerif.else:
27*9880d681SAndroid Build Coastguard Worker  %4 = load i32, i32* %a.addr, align 4
28*9880d681SAndroid Build Coastguard Worker  %5 = load i32, i32* %b.addr, align 4
29*9880d681SAndroid Build Coastguard Worker  %sub = sub nsw i32 %4, %5
30*9880d681SAndroid Build Coastguard Worker  store i32 %sub, i32* %retval
31*9880d681SAndroid Build Coastguard Worker  br label %return
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerreturn:
34*9880d681SAndroid Build Coastguard Worker  %6 = load i32, i32* %retval
35*9880d681SAndroid Build Coastguard Worker  ret i32 %6
36*9880d681SAndroid Build Coastguard Worker}
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