| # RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s |
| |
| # Designed to provoke calling SIInstrInfo::insertBranch in wave32 mode |
| # The implicit $vcc operand should be $vcc_lo in this case |
| |
| ... |
| # CHECK-LABEL: bb.1: |
| # CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo |
| |
| name: _amdgpu_cs_main |
| body: | |
| bb.0: |
| $vgpr1 = V_MOV_B32_e32 1050, implicit $exec |
| $sgpr0 = S_MOV_B32 1123418112 |
| bb.1: |
| $vgpr0 = COPY killed $vgpr1, implicit $exec |
| V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc |
| $vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc |
| S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc |
| S_BRANCH %bb.2 |
| |
| bb.2: |
| $sgpr1 = COPY $sgpr0 |
| S_BRANCH %bb.1 |
| |
| ... |
| |
| # CHECK-LABEL: bb.1: |
| # CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo |
| --- |
| name: _amdgpu_cs_main_undef |
| body: | |
| bb.0: |
| $vgpr1 = V_MOV_B32_e32 1050, implicit $exec |
| $sgpr0 = S_MOV_B32 1123418112 |
| bb.1: |
| $vgpr0 = COPY killed $vgpr1, implicit $exec |
| S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc |
| S_BRANCH %bb.2 |
| |
| bb.2: |
| $sgpr1 = COPY $sgpr0 |
| S_BRANCH %bb.1 |
| |
| ... |