1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=si-lower-control-flow -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN %s
3
4# Check that assert is not triggered
5
6...
7---
8name: si-lower-control-flow
9body: |
10  bb.0:
11    ; GCN-LABEL: name: si-lower-control-flow
12    ; GCN: [[COPY:%[0-9]+]]:sgpr_64 = COPY $sgpr4_sgpr5
13    ; GCN: [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM [[COPY]], 16, 0
14    ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32_xm0 = S_AND_B32 [[S_LOAD_DWORD_IMM]], 255, implicit-def $scc
15    ; GCN: [[S_AND_B32_1:%[0-9]+]]:sreg_32_xm0 = S_AND_B32 65535, [[S_AND_B32_]], implicit-def $scc
16    ; GCN: S_ENDPGM 0
17    %0:sgpr_64 = COPY $sgpr4_sgpr5
18    %1:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %0, 16, 0, 0
19    %2:sreg_32_xm0 = S_AND_B32 %1, 255, implicit-def $scc
20    %3:sreg_32_xm0 = S_AND_B32 65535, %2, implicit-def $scc
21    S_ENDPGM 0
22...
23
24---
25name: preserve_undef_flag_si_if_src
26tracksRegLiveness: true
27body:             |
28  ; GCN-LABEL: name: preserve_undef_flag_si_if_src
29  ; GCN: bb.0:
30  ; GCN:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
31  ; GCN:   [[COPY:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
32  ; GCN:   [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY]], undef %1:sreg_64, implicit-def dead $scc
33  ; GCN:   [[S_XOR_B64_:%[0-9]+]]:sreg_64 = S_XOR_B64 [[S_AND_B64_]], [[COPY]], implicit-def dead $scc
34  ; GCN:   $exec = S_MOV_B64_term killed [[S_AND_B64_]]
35  ; GCN:   S_CBRANCH_EXECZ %bb.2, implicit $exec
36  ; GCN:   S_BRANCH %bb.1
37  ; GCN: bb.1:
38  ; GCN:   successors: %bb.2(0x80000000)
39  ; GCN: bb.2:
40  ; GCN:   S_ENDPGM 0
41  bb.0:
42    successors: %bb.1, %bb.2
43
44    %1:sreg_64 = SI_IF undef %0:sreg_64, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
45    S_BRANCH %bb.1
46
47  bb.1:
48    successors: %bb.2
49
50  bb.2:
51    S_ENDPGM 0
52
53...
54