| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=amdgcn -run-pass=si-i1-copies -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN %s |
| |
| # Test that the new IMPLICIT_DEF is inserted in the correct location. |
| --- |
| name: test_undef |
| tracksRegLiveness: true |
| body: | |
| ; GCN-LABEL: name: test_undef |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: S_BRANCH %bb.1 |
| ; GCN: bb.1: |
| ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF |
| ; GCN: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY [[DEF]] |
| ; GCN: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[COPY]], implicit $exec |
| bb.0: |
| successors: %bb.1 |
| |
| %0:vreg_1 = IMPLICIT_DEF |
| S_BRANCH %bb.1 |
| |
| bb.1: |
| %1:vreg_1 = PHI %0, %bb.0 |
| %2:sreg_64_xexec = COPY %1 |
| %3:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %2, implicit $exec |
| |
| ... |