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0430bb0872
If no alignment is set, the abi/preferred alignment of structs will be used which may be higher than required. This can lead to extra padding and in the end an increase in data size. Differential Revision: https://reviews.llvm.org/D47633 llvm-svn: 334099
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -aarch64-enable-global-merge -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-none-linux-gnu -aarch64-enable-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-enable-global-merge -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-enable-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-apple-ios -aarch64-enable-global-merge -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
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; RUN: llc %s -mtriple=aarch64-apple-ios -aarch64-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 .L_MergedGlobals,@object // @_MergedGlobals
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;CHECK: .local .L_MergedGlobals
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;CHECK: .comm .L_MergedGlobals,8,4
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;CHECK: .set m, .L_MergedGlobals
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;CHECK: .set n, .L_MergedGlobals+4
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;CHECK-APPLE-IOS: .zerofill __DATA,__bss,__MergedGlobals,8,2 ; @_MergedGlobals
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;CHECK-APPLE-IOS-NOT: .set _m, l__MergedGlobals
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;CHECK-APPLE-IOS-NOT: .set _n, l__MergedGlobals+4
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