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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/cgdata-merge-gvar-nsconst.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

33 lines
1.4 KiB
LLVM

; This test verifies that global variables (ns constant) are hashed based on their initial contents,
; allowing them to be merged even if they appear different due to their names.
; Now they become identical functions that can be merged without creating a parameter
; RUN: llc -mtriple=arm64-apple-darwin -enable-global-merge-func=true -global-merging-skip-no-params=false < %s | FileCheck %s
; CHECK: _f1.Tgm
; CHECK: _f2.Tgm
%struct.__NSConstantString_tag = type { ptr, i32, ptr, i64 }
@__CFConstantStringClassReference = external global [0 x i32]
@.str.2 = private unnamed_addr constant [9 x i8] c"cfstring\00", section "__TEXT,__cstring,cstring_literals", align 1
@_unnamed_cfstring_ = private global %struct.__NSConstantString_tag { ptr @__CFConstantStringClassReference, i32 1992, ptr @.str.2, i64 8 }, section "__DATA,__cfstring", align 8
@.str.3 = private unnamed_addr constant [9 x i8] c"cfstring\00", section "__TEXT,__cstring,cstring_literals", align 1
@_unnamed_cfstring_.2 = private global %struct.__NSConstantString_tag { ptr @__CFConstantStringClassReference, i32 1992, ptr @.str.3, i64 8 }, section "__DATA,__cfstring", align 8
declare i32 @hoo(ptr noundef)
define i32 @f1() {
entry:
%call = tail call i32 @hoo(ptr noundef nonnull @_unnamed_cfstring_)
%add = sub nsw i32 %call, 1
ret i32 %add
}
define i32 @f2() {
entry:
%call = tail call i32 @hoo(ptr noundef nonnull @_unnamed_cfstring_.2)
%add = sub nsw i32 %call, 1
ret i32 %add
}