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a72e83c26e
For historic reasons, the behavior of .align differs between targets. Fortunately, there are alternatives, .p2align and .balign, which make the interpretation of the parameter explicit, and which behave consistently across targets. This patch teaches MC to use .p2align instead of .align, so that people reading code for multiple architectures don't have to remember which way each platform does its .align directive. Differential Revision: http://reviews.llvm.org/D16549 llvm-svn: 258750
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -aarch64-global-merge -global-merge-on-external -disable-post-ra -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-global-merge -global-merge-on-external -disable-post-ra -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-apple-ios -aarch64-global-merge -global-merge-on-external -disable-post-ra -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
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@x = global [1000 x i32] zeroinitializer, align 1
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@y = global [1000 x i32] zeroinitializer, align 1
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@z = internal global i32 1, align 4
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define void @f1(i32 %a1, i32 %a2, i32 %a3) {
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;CHECK-APPLE-IOS: adrp x8, l__MergedGlobals@PAGE
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;CHECK-APPLE-IOS-NOT: adrp
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;CHECK-APPLE-IOS: add x8, x8, l__MergedGlobals@PAGEOFF
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;CHECK-APPLE-IOS: adrp x9, l__MergedGlobals.1@PAGE
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;CHECK-APPLE-IOS: add x9, x9, l__MergedGlobals.1@PAGEOFF
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%x3 = getelementptr inbounds [1000 x i32], [1000 x i32]* @x, i32 0, i64 3
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%y3 = getelementptr inbounds [1000 x i32], [1000 x i32]* @y, i32 0, i64 3
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store i32 %a1, i32* %x3, align 4
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store i32 %a2, i32* %y3, align 4
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store i32 %a3, i32* @z, 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: .p2align 4
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;CHECK: .L_MergedGlobals:
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;CHECK: .size .L_MergedGlobals, 4004
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;CHECK: .type .L_MergedGlobals.1,@object // @_MergedGlobals.1
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;CHECK: .local .L_MergedGlobals.1
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;CHECK: .comm .L_MergedGlobals.1,4000,16
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;CHECK-APPLE-IOS: .p2align 4
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;CHECK-APPLE-IOS: l__MergedGlobals:
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;CHECK-APPLE-IOS: .long 1
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;CHECK-APPLE-IOS: .space 4000
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;CHECK-APPLE-IOS: .zerofill __DATA,__bss,l__MergedGlobals.1,4000,4
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;CHECK: z = .L_MergedGlobals
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;CHECK: .globl x
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;CHECK: x = .L_MergedGlobals+4
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;CHECK: .size x, 4000
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;CHECK: .globl y
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;CHECK: y = .L_MergedGlobals.1
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;CHECK: .size y, 4000
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;CHECK-APPLE-IOS-NOT: _z = l__MergedGlobals
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;CHECK-APPLE-IOS:.globl _x
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;CHECK-APPLE-IOS: _x = l__MergedGlobals+4
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;CHECK-APPLE-IOS:.globl _y
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;CHECK-APPLE-IOS: _y = l__MergedGlobals.1
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