xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/vop-shrink.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; Test that we correctly commute a sub instruction
5*9880d681SAndroid Build Coastguard Worker; FUNC-LABEL: {{^}}sub_rev:
6*9880d681SAndroid Build Coastguard Worker; SI-NOT: v_sub_i32_e32 v{{[0-9]+}}, vcc, s
7*9880d681SAndroid Build Coastguard Worker; SI: v_subrev_i32_e32 v{{[0-9]+}}, vcc, s
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; ModuleID = 'vop-shrink.ll'
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerdefine void @sub_rev(i32 addrspace(1)* %out, <4 x i32> %sgpr, i32 %cond) {
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  %vgpr = call i32 @llvm.amdgcn.workitem.id.x() #1
14*9880d681SAndroid Build Coastguard Worker  %tmp = icmp eq i32 %cond, 0
15*9880d681SAndroid Build Coastguard Worker  br i1 %tmp, label %if, label %else
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerif:                                               ; preds = %entry
18*9880d681SAndroid Build Coastguard Worker  %tmp1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
19*9880d681SAndroid Build Coastguard Worker  %tmp2 = extractelement <4 x i32> %sgpr, i32 1
20*9880d681SAndroid Build Coastguard Worker  store i32 %tmp2, i32 addrspace(1)* %out
21*9880d681SAndroid Build Coastguard Worker  br label %endif
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerelse:                                             ; preds = %entry
24*9880d681SAndroid Build Coastguard Worker  %tmp3 = extractelement <4 x i32> %sgpr, i32 2
25*9880d681SAndroid Build Coastguard Worker  %tmp4 = sub i32 %vgpr, %tmp3
26*9880d681SAndroid Build Coastguard Worker  store i32 %tmp4, i32 addrspace(1)* %out
27*9880d681SAndroid Build Coastguard Worker  br label %endif
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerendif:                                            ; preds = %else, %if
30*9880d681SAndroid Build Coastguard Worker  ret void
31*9880d681SAndroid Build Coastguard Worker}
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Worker; Test that we fold an immediate that was illegal for a 64-bit op into the
34*9880d681SAndroid Build Coastguard Worker; 32-bit op when we shrink it.
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Worker; FUNC-LABEL: {{^}}add_fold:
37*9880d681SAndroid Build Coastguard Worker; SI: v_add_f32_e32 v{{[0-9]+}}, 0x44800000
38*9880d681SAndroid Build Coastguard Workerdefine void @add_fold(float addrspace(1)* %out) {
39*9880d681SAndroid Build Coastguard Workerentry:
40*9880d681SAndroid Build Coastguard Worker  %tmp = call i32 @llvm.amdgcn.workitem.id.x()
41*9880d681SAndroid Build Coastguard Worker  %tmp1 = uitofp i32 %tmp to float
42*9880d681SAndroid Build Coastguard Worker  %tmp2 = fadd float %tmp1, 1.024000e+03
43*9880d681SAndroid Build Coastguard Worker  store float %tmp2, float addrspace(1)* %out
44*9880d681SAndroid Build Coastguard Worker  ret void
45*9880d681SAndroid Build Coastguard Worker}
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind readnone
48*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.amdgcn.workitem.id.x() #0
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind readnone }
51*9880d681SAndroid Build Coastguard Workerattributes #1 = { readnone }
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