| # 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 |
| %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 |
| |
| ... |