xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; This tests a bug where LegalizeDAG was not checking the target's
4*9880d681SAndroid Build Coastguard Worker; BooleanContents value and always using one for true, when expanding
5*9880d681SAndroid Build Coastguard Worker; setcc to select_cc.
6*9880d681SAndroid Build Coastguard Worker;
7*9880d681SAndroid Build Coastguard Worker; This bug caused the icmp IR instruction to be expanded to two machine
8*9880d681SAndroid Build Coastguard Worker; instructions, when only one is needed.
9*9880d681SAndroid Build Coastguard Worker;
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; CHECK: {{^}}setcc_expand:
12*9880d681SAndroid Build Coastguard Worker; CHECK: SET
13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: CND
14*9880d681SAndroid Build Coastguard Workerdefine void @setcc_expand(i32 addrspace(1)* %out, i32 %in) {
15*9880d681SAndroid Build Coastguard Workerentry:
16*9880d681SAndroid Build Coastguard Worker  %0 = icmp eq i32 %in, 5
17*9880d681SAndroid Build Coastguard Worker  br i1 %0, label %IF, label %ENDIF
18*9880d681SAndroid Build Coastguard WorkerIF:
19*9880d681SAndroid Build Coastguard Worker  %1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
20*9880d681SAndroid Build Coastguard Worker  store i32 0, i32 addrspace(1)* %1
21*9880d681SAndroid Build Coastguard Worker  br label %ENDIF
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard WorkerENDIF:
24*9880d681SAndroid Build Coastguard Worker  store i32 0, i32 addrspace(1)* %out
25*9880d681SAndroid Build Coastguard Worker  ret void
26*9880d681SAndroid Build Coastguard Worker}
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