xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/bug-vopc-commute.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workertarget triple = "amdgcn--"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: {{^}}main:
7*9880d681SAndroid Build Coastguard Worker;
8*9880d681SAndroid Build Coastguard Worker; Test for compilation only. This generated an invalid machine instruction
9*9880d681SAndroid Build Coastguard Worker; by trying to commute the operands of a V_CMP_EQ_i32_e32 instruction, both
10*9880d681SAndroid Build Coastguard Worker; of which were in SGPRs.
11*9880d681SAndroid Build Coastguard Workerdefine amdgpu_vs float @main(i32 %v) {
12*9880d681SAndroid Build Coastguard Workermain_body:
13*9880d681SAndroid Build Coastguard Worker  %d1 = call float @llvm.SI.load.const(<16 x i8> undef, i32 960)
14*9880d681SAndroid Build Coastguard Worker  %d2 = call float @llvm.SI.load.const(<16 x i8> undef, i32 976)
15*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %ENDIF56, label %IF57
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard WorkerIF57:                                             ; preds = %ENDIF
18*9880d681SAndroid Build Coastguard Worker  %v.1 = mul i32 %v, 2
19*9880d681SAndroid Build Coastguard Worker  br label %ENDIF56
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard WorkerENDIF56:                                          ; preds = %IF57, %ENDIF
22*9880d681SAndroid Build Coastguard Worker  %v.2 = phi i32 [ %v, %main_body ], [ %v.1, %IF57 ]
23*9880d681SAndroid Build Coastguard Worker  %d1.i = bitcast float %d1 to i32
24*9880d681SAndroid Build Coastguard Worker  %cc1 = icmp eq i32 %d1.i, 0
25*9880d681SAndroid Build Coastguard Worker  br i1 %cc1, label %ENDIF59, label %IF60
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard WorkerIF60:                                             ; preds = %ENDIF56
28*9880d681SAndroid Build Coastguard Worker  %v.3 = mul i32 %v.2, 2
29*9880d681SAndroid Build Coastguard Worker  br label %ENDIF59
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard WorkerENDIF59:                                          ; preds = %IF60, %ENDIF56
32*9880d681SAndroid Build Coastguard Worker  %v.4 = phi i32 [ %v.2, %ENDIF56 ], [ %v.3, %IF60 ]
33*9880d681SAndroid Build Coastguard Worker  %d2.i = bitcast float %d2 to i32
34*9880d681SAndroid Build Coastguard Worker  %cc2 = icmp eq i32 %d2.i, 0
35*9880d681SAndroid Build Coastguard Worker  br i1 %cc2, label %ENDIF62, label %IF63
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard WorkerIF63:                                             ; preds = %ENDIF59
38*9880d681SAndroid Build Coastguard Worker  unreachable
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard WorkerENDIF62:                                          ; preds = %ENDIF59
41*9880d681SAndroid Build Coastguard Worker  %r = bitcast i32 %v.4 to float
42*9880d681SAndroid Build Coastguard Worker  ret float %r
43*9880d681SAndroid Build Coastguard Worker}
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind readnone
46*9880d681SAndroid Build Coastguard Workerdeclare float @llvm.SI.load.const(<16 x i8>, i32) #0
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind readnone }
49*9880d681SAndroid Build Coastguard Workerattributes #1 = { readnone }
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