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[GlobalOpt] Add test with large number of stores with non-null loads.
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@fhahn
fhahn committed Feb 21, 2023
1 parent 9adef10 commit 5c39ec7
Showing 1 changed file with 136 additions and 0 deletions.
136 changes: 136 additions & 0 deletions llvm/test/Transforms/GlobalOpt/sra-many-stores-once.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -passes=globalopt -S %s | FileCheck %s

target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"

%struct.20ptr = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
@global.20ptr = internal global %struct.20ptr zeroinitializer

declare i32 @fn0()
declare i32 @fn1()
declare i32 @fn2()
declare i32 @fn3()

;.
; CHECK: @[[GLOBAL_20PTR:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global [[STRUCT_20PTR:%.*]] zeroinitializer
;.

; FIXME: The loads from @global.20ptr cannot load null, as the loaded value are
; used as called operands. The loads and stores can be removed.
define void @test_stored_once_call_with_nullptr_ub() {
; CHECK-LABEL: @test_stored_once_call_with_nullptr_ub(
; CHECK-NEXT: entry:
; CHECK-NEXT: store ptr @fn0, ptr @global.20ptr, align 8
; CHECK-NEXT: store ptr @fn1, ptr @global.20ptr, align 8
; CHECK-NEXT: store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR:%.*]], ptr @global.20ptr, i64 0, i32 1), align 8
; CHECK-NEXT: store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 2), align 8
; CHECK-NEXT: store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 3), align 8
; CHECK-NEXT: store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 4), align 8
; CHECK-NEXT: store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 5), align 8
; CHECK-NEXT: store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 6), align 8
; CHECK-NEXT: store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 7), align 8
; CHECK-NEXT: store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 8), align 8
; CHECK-NEXT: store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 9), align 8
; CHECK-NEXT: store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 10), align 8
; CHECK-NEXT: store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 11), align 8
; CHECK-NEXT: store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 12), align 8
; CHECK-NEXT: store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 13), align 8
; CHECK-NEXT: store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 14), align 8
; CHECK-NEXT: store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 15), align 8
; CHECK-NEXT: store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 16), align 8
; CHECK-NEXT: [[L0:%.*]] = load ptr, ptr @global.20ptr, align 8
; CHECK-NEXT: call void [[L0]]()
; CHECK-NEXT: [[L1:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 1), align 8
; CHECK-NEXT: call void [[L1]]()
; CHECK-NEXT: [[L2:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 2), align 8
; CHECK-NEXT: call void [[L2]]()
; CHECK-NEXT: [[L3:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 3), align 8
; CHECK-NEXT: call void [[L3]]()
; CHECK-NEXT: [[L4:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 4), align 8
; CHECK-NEXT: call void [[L4]]()
; CHECK-NEXT: [[L5:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 5), align 8
; CHECK-NEXT: call void [[L5]]()
; CHECK-NEXT: [[L6:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 6), align 8
; CHECK-NEXT: call void [[L6]]()
; CHECK-NEXT: [[L7:%.*]] = load ptr, ptr @global.20ptr, align 8
; CHECK-NEXT: call void [[L7]]()
; CHECK-NEXT: [[L8:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 7), align 8
; CHECK-NEXT: call void [[L8]]()
; CHECK-NEXT: [[L9:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 8), align 8
; CHECK-NEXT: call void [[L9]]()
; CHECK-NEXT: [[L10:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 9), align 8
; CHECK-NEXT: call void [[L10]]()
; CHECK-NEXT: [[L11:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 10), align 8
; CHECK-NEXT: call void [[L11]]()
; CHECK-NEXT: [[L12:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 11), align 8
; CHECK-NEXT: call void [[L12]]()
; CHECK-NEXT: [[L13:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 12), align 8
; CHECK-NEXT: call void [[L13]]()
; CHECK-NEXT: [[L14:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 13), align 8
; CHECK-NEXT: call void [[L14]]()
; CHECK-NEXT: [[L15:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 14), align 8
; CHECK-NEXT: call void [[L15]]()
; CHECK-NEXT: [[L16:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 15), align 8
; CHECK-NEXT: call void [[L16]]()
; CHECK-NEXT: [[L17:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 16), align 8
; CHECK-NEXT: call void [[L17]]()
; CHECK-NEXT: ret void
;
entry:
store ptr @fn0, ptr @global.20ptr, align 8
store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 0), align 8
store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 1), align 8
store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 2), align 8
store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 3), align 8
store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 4), align 8
store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 5), align 8
store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 6), align 8
store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 7), align 8
store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 8), align 8
store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 9), align 8
store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 10), align 8
store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 11), align 8
store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 12), align 8
store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 13), align 8
store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 14), align 8
store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 15), align 8
store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 16), align 8

%l0 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 0), align 8
call void %l0()
%l1 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 1), align 8
call void %l1()
%l2 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 2), align 8
call void %l2()
%l3 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 3), align 8
call void %l3()
%l4 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 4), align 8
call void %l4()
%l5 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 5), align 8
call void %l5()
%l6 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 6), align 8
call void %l6()
%l7 = load ptr, ptr @global.20ptr, align 8
call void %l7()
%l8 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 7), align 8
call void %l8()
%l9 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 8), align 8
call void %l9()
%l10 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 9), align 8
call void %l10()
%l11 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 10), align 8
call void %l11()
%l12 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 11), align 8
call void %l12()
%l13 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 12), align 8
call void %l13()
%l14 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 13), align 8
call void %l14()
%l15 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 14), align 8
call void %l15()
%l16 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 15), align 8
call void %l16()
%l17 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 16), align 8
call void %l17()
ret void
}

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