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[MISched][NFC] Precommit test for #137988 #138243

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May 6, 2025
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[MISched][NFC] Precommit test for #137988 #138243

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55 changes: 55 additions & 0 deletions llvm/test/CodeGen/AArch64/misched-cutoff.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=aarch64 -passes=machine-scheduler -o - %s | FileCheck %s
# RUN: llc -mtriple=aarch64 -passes=machine-scheduler -misched-cutoff=1 -debug-only=machine-scheduler -o - %s 2>&1 | FileCheck %s --check-prefix=CHECK-CUTOFF

# REQUIRES: asserts

# CHECK-CUTOFF-COUNT-2: Scheduling SU

# NOTE: copied from machine-scheduler.mir

--- |
define i64 @load_imp-def(ptr nocapture %P, i32 %v) {
entry:
%0 = bitcast ptr %P to ptr
%1 = load i32, ptr %0
%conv = zext i32 %1 to i64
%arrayidx19 = getelementptr inbounds i64, ptr %P, i64 1
%arrayidx1 = bitcast ptr %arrayidx19 to ptr
store i32 %v, ptr %arrayidx1
%2 = load i64, ptr %arrayidx19
%and = and i64 %2, 4294967295
%add = add nuw nsw i64 %and, %conv
ret i64 %add
}
...
---
name: load_imp-def
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $w1, $x0
; CHECK-LABEL: name: load_imp-def
; CHECK: liveins: $w1, $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $w8 = LDRWui $x0, 1, implicit-def $x8 :: (load (s32) from %ir.0)
; CHECK-NEXT: $w9 = LDRWui $x0, 0, implicit-def $x9 :: (load (s32) from %ir.arrayidx19, align 8)
; CHECK-NEXT: STRWui $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
; CHECK-NEXT: $x0 = ADDXrr killed $x9, killed $x8
; CHECK-NEXT: RET_ReallyLR implicit $x0
;
; CHECK-CUTOFF-LABEL: name: load_imp-def
; CHECK-CUTOFF: liveins: $w1, $x0
; CHECK-CUTOFF-NEXT: {{ $}}
; CHECK-CUTOFF-NEXT: $w8 = LDRWui $x0, 1, implicit-def $x8 :: (load (s32) from %ir.0)
; CHECK-CUTOFF-NEXT: STRWui $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
; CHECK-CUTOFF-NEXT: $w9 = LDRWui $x0, 0, implicit-def $x9 :: (load (s32) from %ir.arrayidx19, align 8)
; CHECK-CUTOFF-NEXT: $x0 = ADDXrr killed $x9, killed $x8
; CHECK-CUTOFF-NEXT: RET_ReallyLR implicit $x0
$w8 = LDRWui $x0, 1, implicit-def $x8 :: (load (s32) from %ir.0)
STRWui killed $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
$w9 = LDRWui killed $x0, 0, implicit-def $x9 :: (load (s32) from %ir.arrayidx19, align 8)
$x0 = ADDXrr killed $x9, killed $x8
RET_ReallyLR implicit $x0
...