ec8c61efdf
In GFX10 VOP3 can have a literal, which opens up the possibility of two operands using the same literal value, which is allowed and only counts as one use of the constant bus. AMDGPUAsmParser::validateConstantBusLimitations already knew about this but SIInstrInfo::verifyInstruction did not. Differential Revision: https://reviews.llvm.org/D100770
29 lines
1.0 KiB
YAML
29 lines
1.0 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
|
# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass machineverifier -o - %s | FileCheck %s
|
|
|
|
# Two uses of the same literal only count as one use of the constant bus.
|
|
|
|
---
|
|
name: use_duplicate_literal_cndmask
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0:
|
|
liveins: $vcc_lo
|
|
; CHECK-LABEL: name: use_duplicate_literal_cndmask
|
|
; CHECK: liveins: $vcc_lo
|
|
; CHECK: $vgpr0 = V_CNDMASK_B32_e64 0, 1234567, 0, 1234567, killed $vcc_lo, implicit $exec
|
|
$vgpr0 = V_CNDMASK_B32_e64 0, 1234567, 0, 1234567, killed $vcc_lo, implicit $exec
|
|
...
|
|
|
|
---
|
|
name: use_duplicate_literal_fma
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0
|
|
; CHECK-LABEL: name: use_duplicate_literal_fma
|
|
; CHECK: liveins: $vgpr0
|
|
; CHECK: $vgpr0 = V_FMA_F32_e64 0, $vgpr0, 0, 1077936128, 0, 1077936128, 0, 0, implicit $mode, implicit $exec
|
|
$vgpr0 = V_FMA_F32_e64 0, $vgpr0, 0, 1077936128, 0, 1077936128, 0, 0, implicit $mode, implicit $exec
|
|
...
|