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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Hexagon/swp-ws-stall-cycle.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

60 lines
1.8 KiB
YAML

# REQUIRES: asserts
# RUN: llc --mtriple=hexagon %s -run-pass=pipeliner -debug-only=pipeliner \
# RUN: -window-sched=force -filetype=null -verify-machineinstrs \
# RUN: -window-region-limit=1 -window-search-ratio=100 -window-diff-limit=0 \
# RUN: 2>&1 | FileCheck %s
# CHECK-LABEL: Start analyzing II
# CHECK: MaxStallCycle is 0
# CHECK-LABEL: Start analyzing II
# CHECK: MaxStallCycle is 0
# CHECK-LABEL: Start analyzing II
# CHECK: MaxStallCycle is 0
---
name: test_window_stall_cycle
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.3(0x40000000), %bb.1(0x40000000)
liveins: $r0, $r1
%0:intregs = COPY $r1
%1:intregs = COPY $r0
%2:intregs = nsw A2_add %0, %1
%3:intregs = S2_lsr_i_r_acc %2, %2, 31
%4:intregs = S2_asr_i_r killed %3, 1
%5:predregs = C2_cmpgt %1, %4
%6:intregs = A2_tfrsi 0
J2_jumpt killed %5, %bb.3, implicit-def dead $pc
J2_jump %bb.1, implicit-def dead $pc
bb.1:
successors: %bb.2(0x80000000)
%7:intregs = A2_addi %4, 2
%8:intregs = A2_tfrsi 0
%9:intregs = A2_sub %4, %1
%10:intregs = A2_addi %9, 1
%11:intregs = COPY %10
J2_loop0r %bb.2, %11, implicit-def $lc0, implicit-def $sa0, implicit-def $usr
bb.2 (machine-block-address-taken):
successors: %bb.3(0x04000000), %bb.2(0x7c000000)
%12:intregs = PHI %7, %bb.1, %13, %bb.2
%14:intregs = PHI %8, %bb.1, %15, %bb.2
%16:intregs = PHI %8, %bb.1, %17, %bb.2
%18:intregs, %13:intregs = L2_loadri_pi %12, -4
%17:intregs = nsw A2_add killed %18, %16
%15:intregs = A2_max %17, %14
ENDLOOP0 %bb.2, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc0
J2_jump %bb.3, implicit-def dead $pc
bb.3:
%19:intregs = PHI %6, %bb.0, %15, %bb.2
$r0 = COPY %19
PS_jmpret $r31, implicit-def dead $pc, implicit $r0
...