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# REQUIRES: asserts
# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=branch-folder -o /dev/null %s 2>&1 | FileCheck %s --check-prefixes=LEGACY-CHECK,CHECK
# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -passes="require<profile-summary>,function(machine-function(branch-folder<enable-tail-merge>))" -o /dev/null %s 2>&1 | FileCheck %s --check-prefixes=NPM-CHECK,CHECK
# BranchFolding breaks this function due to phis
# LEGACY-CHECK: MachineFunctionProperties required by Control Flow Optimizer pass are not met by function func.
# NPM-CHECK: MachineFunctionProperties required by BranchFolderPass 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:
...
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