80 lines
3.1 KiB
YAML
80 lines
3.1 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
|
# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -amdgpu-enable-rewrite-partial-reg-uses=false -amdgpu-dce-in-ra=0 -stress-regalloc=1 -start-before=register-coalescer -stop-after=greedy,1 -o - %s | FileCheck %s
|
|
# https://bugs.llvm.org/show_bug.cgi?id=33620
|
|
|
|
---
|
|
# This would assert due to the empty live interval created for %9
|
|
# on the last S_NOP with an undef subreg use.
|
|
|
|
|
|
|
|
|
|
name: expecting_non_empty_interval
|
|
tracksRegLiveness: true
|
|
machineFunctionInfo:
|
|
scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
|
|
stackPtrOffsetReg: $sgpr32
|
|
body: |
|
|
; CHECK-LABEL: name: expecting_non_empty_interval
|
|
; CHECK: bb.0:
|
|
; CHECK-NEXT: successors: %bb.1(0x80000000)
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: undef %5.sub1:vreg_64 = V_MOV_B32_e32 1786773504, implicit $exec
|
|
; CHECK-NEXT: dead [[V_MUL_F32_e32_:%[0-9]+]]:vgpr_32 = V_MUL_F32_e32 0, %5.sub1, implicit $mode, implicit $exec
|
|
; CHECK-NEXT: undef %7.sub1:vreg_64 = V_MAC_F32_e32 0, undef %1:vgpr_32, undef %7.sub1, implicit $mode, implicit $exec
|
|
; CHECK-NEXT: SI_SPILL_V64_SAVE %7, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5)
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: bb.1:
|
|
; CHECK-NEXT: undef %6.sub1:vreg_64 = V_MOV_B32_e32 1786773504, implicit $exec
|
|
; CHECK-NEXT: S_NOP 0, implicit %6.sub1
|
|
; CHECK-NEXT: [[SI_SPILL_V64_RESTORE:%[0-9]+]]:vreg_64 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5)
|
|
; CHECK-NEXT: S_NOP 0, implicit [[SI_SPILL_V64_RESTORE]].sub1
|
|
; CHECK-NEXT: S_NOP 0, implicit undef %9.sub0:vreg_64
|
|
bb.0:
|
|
successors: %bb.1
|
|
|
|
undef %0.sub1:vreg_64 = V_MAC_F32_e32 0, undef %1:vgpr_32, undef %0.sub1, implicit $mode, implicit $exec
|
|
undef %2.sub1:vreg_64 = V_MOV_B32_e32 1786773504, implicit $exec
|
|
dead %3:vgpr_32 = V_MUL_F32_e32 0, %2.sub1, implicit $mode, implicit $exec
|
|
|
|
bb.1:
|
|
S_NOP 0, implicit %2.sub1
|
|
S_NOP 0, implicit %0.sub1
|
|
S_NOP 0, implicit undef %0.sub0
|
|
|
|
...
|
|
|
|
# Similar assert which happens when trying to rematerialize.
|
|
# https://bugs.llvm.org/show_bug.cgi?id=33884
|
|
---
|
|
|
|
|
|
name: rematerialize_empty_interval_has_reference
|
|
tracksRegLiveness: true
|
|
machineFunctionInfo:
|
|
scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
|
|
stackPtrOffsetReg: $sgpr32
|
|
body: |
|
|
; CHECK-LABEL: name: rematerialize_empty_interval_has_reference
|
|
; CHECK: bb.0:
|
|
; CHECK-NEXT: successors: %bb.1(0x80000000)
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: undef %1.sub2:vreg_128 = V_MOV_B32_e32 1786773504, implicit $exec
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: bb.1:
|
|
; CHECK-NEXT: S_NOP 0, implicit %1.sub2
|
|
; CHECK-NEXT: S_NOP 0, implicit undef %4.sub0:vreg_128
|
|
; CHECK-NEXT: undef %2.sub2:vreg_128 = V_MOV_B32_e32 0, implicit $exec
|
|
; CHECK-NEXT: S_NOP 0, implicit %2.sub2
|
|
bb.0:
|
|
successors: %bb.1
|
|
|
|
undef %0.sub2:vreg_128 = V_MOV_B32_e32 0, implicit $exec
|
|
undef %1.sub2:vreg_128 = V_MOV_B32_e32 1786773504, implicit $exec
|
|
|
|
bb.1:
|
|
S_NOP 0, implicit %1.sub2
|
|
S_NOP 0, implicit undef %0.sub0
|
|
S_NOP 0, implicit %0.sub2
|
|
|
|
...
|