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09d2a61cd4
A global variable without an explicit alignment specified should be assumed to be ABI-aligned according to its type, like on other platforms. This allows us to use better memory operations when accessing it. rdar://18533701 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223180 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.2 KiB
LLVM
28 lines
1.2 KiB
LLVM
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
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; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -global-merge-on-external -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
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@m = internal global i32 0, align 4
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@n = internal global i32 0, align 4
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define void @f1(i32 %a1, i32 %a2) {
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;CHECK-APPLE-IOS-NOT: adrp
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;CHECK-APPLE-IOS: adrp x8, __MergedGlobals@PAGE
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;CHECK-APPLE-IOS-NOT: adrp
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;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals@PAGEOFF
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store i32 %a1, i32* @m, align 4
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store i32 %a2, i32* @n, align 4
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ret void
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}
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;CHECK: .type _MergedGlobals,@object // @_MergedGlobals
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;CHECK: .local _MergedGlobals
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;CHECK: .comm _MergedGlobals,8,8
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;CHECK-APPLE-IOS: .zerofill __DATA,__bss,__MergedGlobals,8,3 ; @_MergedGlobals
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