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Differential D145705

[CodeGenPrepare][NFC] Pre-commit test for memory use count fix
ClosedPublic

Authored by chill on Mar 9 2023, 10:26 AM.

Details

Reviewers
mkazantsev
Commits
rG5c9a26238a19: [CodeGenPrepare][NFC] Pre-commit test for memory use count fix

Diff Detail

Revision Contents

PathSize
llvm/
test/
CodeGen/
Generic/
70 lines

Diff 507820

llvm/test/CodeGen/Generic/addr-use-count.ll

  • This file was added.
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -codegenprepare < %s | FileCheck %s
; REQUIRES: aarch64-registered-target
; Test that `%addr` is sunk, even though the number of memory uses to scan exceeds the limit.
target triple = "aarch64-linux"
declare void @g(...)
define void @f(ptr %p) {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SUNKADDR:%.*]] = getelementptr i8, ptr [[P:%.*]], i64 4
; CHECK-NEXT: [[T0:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T1:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T2:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T3:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T4:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T5:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T6:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T7:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T8:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T9:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T10:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T11:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T12:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T13:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T14:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T15:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T16:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T17:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[T18:%.*]] = load i32, ptr [[SUNKADDR]], align 4
; CHECK-NEXT: [[SUNKADDR1:%.*]] = getelementptr i8, ptr [[P]], i64 8
; CHECK-NEXT: [[T19:%.*]] = load i32, ptr [[SUNKADDR1]], align 4
; CHECK-NEXT: call void @g(i32 [[T0]], i32 [[T1]], i32 [[T2]], i32 [[T3]], i32 [[T4]], i32 [[T5]], i32 [[T6]], i32 [[T7]], i32 [[T8]], i32 [[T9]], i32 [[T10]], i32 [[T11]], i32 [[T12]], i32 [[T13]], i32 [[T14]], i32 [[T15]], i32 [[T16]], i32 [[T17]], i32 [[T18]], i32 [[T19]])
; CHECK-NEXT: ret void
;
entry:
%addr = getelementptr i8, ptr %p, i32 4
br label %exit
exit:
%t0 = load i32, ptr %addr
%t1 = load i32, ptr %addr
%t2 = load i32, ptr %addr
%t3 = load i32, ptr %addr
%t4 = load i32, ptr %addr
%t5 = load i32, ptr %addr
%t6 = load i32, ptr %addr
%t7 = load i32, ptr %addr
%t8 = load i32, ptr %addr
%t9 = load i32, ptr %addr
%t10 = load i32, ptr %addr
%t11 = load i32, ptr %addr
%t12 = load i32, ptr %addr
%t13 = load i32, ptr %addr
%t14 = load i32, ptr %addr
%t15 = load i32, ptr %addr
%t16 = load i32, ptr %addr
%t17 = load i32, ptr %addr
%t18 = load i32, ptr %addr
%addr.1 = getelementptr i8, ptr %addr, i32 4
%t19 = load i32, ptr %addr.1
call void @g(i32 %t0, i32 %t1, i32 %t2, i32 %t3, i32 %t4, i32 %t5, i32 %t6, i32 %t7,
i32 %t8, i32 %t9, i32 %t10, i32 %t11, i32 %t12, i32 %t13, i32 %t14, i32 %t15, i32 %t16,
i32 %t17, i32 %t18, i32 %t19)
ret void
}