| # RUN: llc -mtriple=amdgcn-- -mcpu=gfx900 -run-pass=print-machine-uniformity -o - %s 2>&1 | FileCheck %s |
| |
| --- |
| name: f1 |
| body: | |
| ; CHECK-LABEL: MachineUniformityInfo for function: f1 |
| bb.0: |
| successors: %bb.1, %bb.2 |
| |
| ; CHECK-NOT: DIVERGENT: %1 |
| %1:sreg_64(s64) = G_IMPLICIT_DEF |
| ; CHECK: DIVERGENT: {{.*}} SI_IF |
| %2:sreg_64 = SI_IF %1, %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec |
| |
| bb.1: |
| SI_RETURN |
| |
| bb.2: |
| G_BR %bb.1 |
| |
| ... |
| |
| --- |
| name: f2 |
| body: | |
| ; CHECK-LABEL: MachineUniformityInfo for function: f2 |
| bb.0: |
| successors: %bb.1, %bb.2 |
| |
| ; CHECK-NOT: DIVERGENT: %1 |
| %1:sreg_64(s64) = G_IMPLICIT_DEF |
| ; CHECK: DIVERGENT: {{.*}} SI_ELSE |
| %2:sreg_64 = SI_ELSE %1, %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec |
| |
| bb.1: |
| SI_RETURN |
| |
| bb.2: |
| G_BR %bb.1 |