1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass=si-optimize-exec-masking-pre-ra %s -o - | FileCheck -check-prefix=GCN %s
5 define amdgpu_kernel void @call_no_explicit_exec_dependency () {
13 # Call should be assumed to read exec
15 name: call_no_explicit_exec_dependency
16 tracksRegLiveness: true
18 - { reg: '$vgpr0', virtual-reg: '%0' }
19 - { reg: '$sgpr0_sgpr1', virtual-reg: '%1' }
23 ; GCN-LABEL: name: call_no_explicit_exec_dependency
25 ; GCN: successors: %bb.1(0x40000000), %bb.4(0x40000000)
26 ; GCN: liveins: $vgpr0, $sgpr0_sgpr1
27 ; GCN: [[COPY:%[0-9]+]]:sgpr_64 = COPY $sgpr0_sgpr1
28 ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
29 ; GCN: [[V_CMP_LT_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_U32_e64 1, [[COPY1]], implicit $exec
30 ; GCN: [[COPY2:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
31 ; GCN: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY2]], [[V_CMP_LT_U32_e64_]], implicit-def dead $scc
32 ; GCN: $exec = S_MOV_B64_term [[S_AND_B64_]]
33 ; GCN: SI_MASK_BRANCH %bb.4, implicit $exec
36 ; GCN: successors: %bb.2(0x40000000), %bb.3(0x40000000)
37 ; GCN: undef %5.sub0_sub1:sgpr_128 = S_LOAD_DWORDX2_IMM [[COPY]], 9, 0, 0 :: (dereferenceable invariant load 8, align 4, addrspace 4)
38 ; GCN: undef %6.sub0:vreg_64 = V_LSHLREV_B32_e32 2, [[COPY1]], implicit $exec
39 ; GCN: %6.sub1:vreg_64 = V_MOV_B32_e32 0, implicit $exec
40 ; GCN: [[COPY3:%[0-9]+]]:vgpr_32 = COPY %5.sub1
41 ; GCN: undef %8.sub0:vreg_64, %9:sreg_64_xexec = V_ADD_I32_e64 %5.sub0, %6.sub0, 0, implicit $exec
42 ; GCN: %8.sub1:vreg_64, dead %10:sreg_64_xexec = V_ADDC_U32_e64 0, [[COPY3]], %9, 0, implicit $exec
43 ; GCN: %5.sub3:sgpr_128 = S_MOV_B32 61440
44 ; GCN: %5.sub2:sgpr_128 = S_MOV_B32 0
45 ; GCN: BUFFER_STORE_DWORD_ADDR64 %6.sub1, %6, %5, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
46 ; GCN: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_NE_U32_e64 2, [[COPY1]], implicit $exec
47 ; GCN: [[COPY4:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
48 ; GCN: [[S_AND_B64_1:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY4]], [[V_CMP_NE_U32_e64_]], implicit-def dead $scc
49 ; GCN: $exec = S_MOV_B64_term [[S_AND_B64_1]]
50 ; GCN: SI_MASK_BRANCH %bb.3, implicit $exec
53 ; GCN: successors: %bb.3(0x80000000)
54 ; GCN: %5.sub0:sgpr_128 = COPY %5.sub2
55 ; GCN: %5.sub1:sgpr_128 = COPY %5.sub2
56 ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
57 ; GCN: BUFFER_STORE_DWORD_ADDR64 [[V_MOV_B32_e32_]], %8, %5, 0, 4, 0, 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
59 ; GCN: successors: %bb.4(0x80000000)
60 ; GCN: $exec = S_OR_B64 $exec, [[COPY4]], implicit-def $scc
61 ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
62 ; GCN: dead %16:sreg_64 = SI_CALL [[DEF]], @func, csr_amdgpu_highregs
64 ; GCN: $exec = S_OR_B64 $exec, [[COPY2]], implicit-def $scc
65 ; GCN: [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 3, implicit $exec
66 ; GCN: [[V_MOV_B32_e32_2:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
67 ; GCN: $m0 = S_MOV_B32 -1
68 ; GCN: DS_WRITE_B32 [[V_MOV_B32_e32_2]], [[V_MOV_B32_e32_1]], 0, 0, implicit $m0, implicit $exec :: (store 4, addrspace 3)
71 successors: %bb.1, %bb.4
72 liveins: $vgpr0, $sgpr0_sgpr1
74 %1:sgpr_64 = COPY $sgpr0_sgpr1
75 %0:vgpr_32 = COPY $vgpr0
76 %2:sreg_64 = V_CMP_LT_U32_e64 1, %0, implicit $exec
77 %3:sreg_64 = COPY $exec, implicit-def $exec
78 %4:sreg_64 = S_AND_B64 %3, %2, implicit-def dead $scc
79 $exec = S_MOV_B64_term %4
80 SI_MASK_BRANCH %bb.4, implicit $exec
84 successors: %bb.2, %bb.3
86 undef %5.sub0_sub1:sgpr_128 = S_LOAD_DWORDX2_IMM %1, 9, 0, 0 :: (dereferenceable invariant load 8, align 4, addrspace 4)
87 undef %6.sub0:vreg_64 = V_LSHLREV_B32_e32 2, %0, implicit $exec
88 %6.sub1:vreg_64 = V_MOV_B32_e32 0, implicit $exec
89 %7:vgpr_32 = COPY %5.sub1
90 undef %8.sub0:vreg_64, %9:sreg_64_xexec = V_ADD_I32_e64 %5.sub0, %6.sub0, 0, implicit $exec
91 %8.sub1:vreg_64, dead %10:sreg_64_xexec = V_ADDC_U32_e64 0, %7, %9, 0, implicit $exec
92 %5.sub3:sgpr_128 = S_MOV_B32 61440
93 %5.sub2:sgpr_128 = S_MOV_B32 0
94 BUFFER_STORE_DWORD_ADDR64 %6.sub1, %6, %5, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
95 %11:sreg_64 = V_CMP_NE_U32_e64 2, %0, implicit $exec
96 %12:sreg_64 = COPY $exec, implicit-def $exec
97 %13:sreg_64 = S_AND_B64 %12, %11, implicit-def dead $scc
98 $exec = S_MOV_B64_term %13
99 SI_MASK_BRANCH %bb.3, implicit $exec
103 %5.sub0:sgpr_128 = COPY %5.sub2
104 %5.sub1:sgpr_128 = COPY %5.sub2
105 %14:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
106 BUFFER_STORE_DWORD_ADDR64 %14, %8, %5, 0, 4, 0, 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
109 $exec = S_OR_B64 $exec, %12, implicit-def $scc
110 %20:sreg_64 = IMPLICIT_DEF
111 %21:sreg_64 = SI_CALL %20, @func, csr_amdgpu_highregs
114 $exec = S_OR_B64 $exec, %3, implicit-def $scc
115 %17:vgpr_32 = V_MOV_B32_e32 3, implicit $exec
116 %18:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
118 DS_WRITE_B32 %18, %17, 0, 0, implicit $m0, implicit $exec :: (store 4, addrspace 3)