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| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=si-lower-control-flow -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN %s
# Check that assert is not triggered
...
---
name: si-lower-control-flow
body: |
bb.0:
; GCN-LABEL: name: si-lower-control-flow
; GCN: [[COPY:%[0-9]+]]:sgpr_64 = COPY $sgpr4_sgpr5
; GCN: [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM [[COPY]], 16, 0
; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32_xm0 = S_AND_B32 [[S_LOAD_DWORD_IMM]], 255, implicit-def $scc
; GCN: [[S_AND_B32_1:%[0-9]+]]:sreg_32_xm0 = S_AND_B32 65535, [[S_AND_B32_]], implicit-def $scc
; GCN: S_ENDPGM 0
%0:sgpr_64 = COPY $sgpr4_sgpr5
%1:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %0, 16, 0, 0
%2:sreg_32_xm0 = S_AND_B32 %1, 255, implicit-def $scc
%3:sreg_32_xm0 = S_AND_B32 65535, %2, implicit-def $scc
S_ENDPGM 0
...
---
name: preserve_undef_flag_si_if_src
tracksRegLiveness: true
body: |
; GCN-LABEL: name: preserve_undef_flag_si_if_src
; GCN: bb.0:
; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
; GCN: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY]], undef %1:sreg_64, implicit-def dead $scc
; GCN: [[S_XOR_B64_:%[0-9]+]]:sreg_64 = S_XOR_B64 [[S_AND_B64_]], [[COPY]], implicit-def dead $scc
; GCN: $exec = S_MOV_B64_term killed [[S_AND_B64_]]
; GCN: SI_MASK_BRANCH %bb.2, implicit $exec
; GCN: S_BRANCH %bb.1
; GCN: bb.1:
; GCN: successors: %bb.2(0x80000000)
; GCN: bb.2:
; GCN: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
%1:sreg_64 = SI_IF undef %0:sreg_64, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
S_BRANCH %bb.1
bb.1:
successors: %bb.2
bb.2:
S_ENDPGM 0
...
|