| # REQUIRES: asserts |
| # RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=branch-folder -o /dev/null %s 2>&1 | FileCheck %s |
| |
| # BranchFolding breaks this function due to phis |
| |
| # CHECK: MachineFunctionProperties required by Control Flow Optimizer pass are not met by function func. |
| # CHECK-NEXT: Required properties: NoPHIs |
| # CHECK-NEXT: Current properties: IsSSA, TracksLiveness{{$}} |
| --- |
| name: func |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr14, $sgpr15, $sgpr16 |
| |
| %0:sreg_32_xm0_xexec = IMPLICIT_DEF |
| %1:sreg_64 = IMPLICIT_DEF |
| |
| bb.1: |
| S_CBRANCH_EXECZ %bb.3, implicit $exec |
| S_BRANCH %bb.2 |
| |
| bb.2: |
| %3:sreg_64 = IMPLICIT_DEF |
| S_BRANCH %bb.4 |
| |
| bb.3: |
| %4:sreg_64 = PHI undef %1, %bb.1, undef %3, %bb.4 |
| S_CBRANCH_EXECNZ %bb.5, implicit $exec |
| |
| bb.4: |
| S_BRANCH %bb.3 |
| |
| bb.5: |
| |
| ... |
