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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Hexagon/aligna-prologue-expansion.mir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

100 lines
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# RUN: llc -mtriple=hexagon -run-pass prologepilog %s -o - | FileCheck %s
# RUN: llc -mtriple=hexagon -run-pass prologepilog -spill-func-threshold=0 %s -o - | FileCheck --check-prefix=SPILL-FUNC %s
# RUN: llc -mtriple=hexagon -run-pass prologepilog -verify-machineinstrs %s -o - | FileCheck %s
#
# Verify that PS_aligna is placed AFTER all CSR spills.
#
# CHECK-LABEL: name: test_aligna_expansion
# CHECK: machineFunctionInfo:
# CHECK-NEXT: stackAlignBaseReg: '$r16'
# CHECK: S2_allocframe
# CHECK: S2_storerd_io $r30, -8
# CHECK: S2_storerd_io $r30, -16
# CHECK: S2_storerd_io $r30, -24
# CHECK: S2_storerd_io $r30, -32
# CHECK: S2_storerd_io $r30, -40
# CHECK: S2_storerd_io $r30, -48
# CHECK: PS_aligna
# CHECK-NOT: S2_storerd_io
#
# SPILL-FUNC-LABEL: name: test_aligna_expansion
# SPILL-FUNC: machineFunctionInfo:
# SPILL-FUNC-NEXT: stackAlignBaseReg: '$r16'
# SPILL-FUNC: S2_allocframe
# SPILL-FUNC: SAVE_REGISTERS_CALL_V4
# SPILL-FUNC: PS_aligna
# SPILL-FUNC-NOT: SAVE_REGISTERS_CALL_V4
--- |
declare void @external_func()
define void @test_aligna_expansion() { ret void }
...
---
name: test_aligna_expansion
alignment: 16
tracksRegLiveness: true
machineFunctionInfo:
stackAlignBaseReg: '$r16'
frameInfo:
maxAlignment: 128
adjustsStack: true
hasCalls: true
maxCallFrameSize: 4294967295
stack:
- { id: 0, name: '', type: variable-sized, offset: 0, alignment: 128 }
- { id: 1, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4 }
body: |
bb.0:
successors: %bb.1(0x80000000)
liveins: $r0, $r1, $r2, $r3, $r4, $r5
renamable $r17 = COPY $r0
renamable $r6 = nuw A2_addi killed $r0, 7
renamable $r6 = A2_andir killed renamable $r6, -8
S2_storeri_io %stack.1, 0, killed $r5 :: (store (s32) into %stack.1)
renamable $r19 = COPY killed $r4
renamable $r20 = COPY killed $r3
renamable $r21 = COPY killed $r2
renamable $r22 = COPY killed $r1
$r16 = PS_aligna 128, implicit killed $r30
renamable $r25 = A2_tfrsi 0
renamable $r2 = A2_tfrsi 0
renamable $r23 = PS_alloca killed renamable $r6, 128, implicit-def dead $r29
bb.1:
successors: %bb.2(0x80000000)
liveins: $r2, $r17, $r19, $r20, $r21, $r22, $r23, $r25
renamable $r24 = A2_or killed renamable $r2, renamable $r19
renamable $r26 = A2_tfrsi 0
renamable $r27 = COPY renamable $r22
renamable $r18 = A2_tfrsi 0
bb.2:
successors: %bb.2(0x7c000000), %bb.3(0x04000000)
liveins: $r17, $r18, $r19, $r20, $r21, $r22, $r23, $r24, $r25, $r26, $r27
renamable $r2 = A2_min renamable $r27, renamable $r25
ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit killed $r31, implicit killed $r30, implicit $r29
$r0 = COPY renamable $r23
$r1 = COPY renamable $r20
$r3 = COPY renamable $r24
renamable $r2 = A2_add killed renamable $r2, renamable $r26
renamable $r18 = A2_add killed renamable $r18, renamable $r22
S2_storeri_io renamable $r21, 0, renamable $r17
J2_call @external_func, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit killed $r0, implicit killed $r1, implicit killed $r2, implicit killed $r3, implicit-def $r29
renamable $p0 = C2_cmpgti renamable $r18, -1
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit killed $r29
renamable $r27 = A2_add killed renamable $r27, renamable $r22
renamable $r26 = A2_sub killed renamable $r26, renamable $r22
J2_jumpf killed renamable $p0, %bb.2, implicit-def $pc
bb.3:
successors: %bb.1(0x80000000)
liveins: $r17, $r19, $r20, $r21, $r22, $r23, $r25
renamable $r2 = L2_loadri_io %stack.1, 0 :: (load (s32) from %stack.1)
J2_jump %bb.1, implicit-def $pc
...