forked from OSchip/llvm-project
24 lines
950 B
YAML
24 lines
950 B
YAML
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck %s
|
|
|
|
# Make sure immediate folding into V_CNDMASK respects constant bus restrictions.
|
|
---
|
|
|
|
name: shrink_cndmask_illegal_imm_folding
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0, $vgpr1
|
|
; CHECK-LABEL: name: shrink_cndmask_illegal_imm_folding
|
|
; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
|
|
; CHECK: [[MOV:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 32768, implicit $exec
|
|
; CHECK: V_CMP_EQ_U32_e32 0, [[COPY]], implicit-def $vcc, implicit $exec
|
|
; CHECK: V_CNDMASK_B32_e32 [[MOV]], killed [[COPY]], implicit $vcc, implicit $exec
|
|
|
|
%0:vgpr_32 = COPY $vgpr0
|
|
%1:vgpr_32 = V_MOV_B32_e32 32768, implicit $exec
|
|
V_CMP_EQ_U32_e32 0, %0:vgpr_32, implicit-def $vcc, implicit $exec
|
|
%2:vgpr_32 = V_CNDMASK_B32_e64 0, %1:vgpr_32, 0, killed %0:vgpr_32, $vcc, implicit $exec
|
|
S_NOP 0
|
|
|
|
...
|