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329fda6f2a
Currently, there's a single flag, checked by the pass itself. It can't force-enable the pass (and is on by default), because it might not even have been created, as that's the targets decision. Instead, have separate explicit flags, so that the decision is consistently made in the target. Keep the flag as a last-resort "force-disable GlobalMerge" for now, for backwards compatibility. llvm-svn: 234666
53 lines
1.7 KiB
LLVM
53 lines
1.7 KiB
LLVM
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -aarch64-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-global-merge -global-merge-on-external -o - | FileCheck %s
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; RUN: llc %s -mtriple=aarch64-apple-ios -aarch64-global-merge -global-merge-on-external -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
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@x = global i32 0, align 4
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@y = global i32 0, align 4
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@z = global i32 0, align 4
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define void @f1(i32 %a1, i32 %a2) {
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;CHECK-APPLE-IOS-LABEL: _f1:
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;CHECK-APPLE-IOS-NOT: adrp
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;CHECK-APPLE-IOS: adrp x8, __MergedGlobals_x@PAGE
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;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals_x@PAGEOFF
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;CHECK-APPLE-IOS-NOT: adrp
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store i32 %a1, i32* @x, align 4
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store i32 %a2, i32* @y, align 4
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ret void
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}
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define void @g1(i32 %a1, i32 %a2) {
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;CHECK-APPLE-IOS-LABEL: _g1:
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;CHECK-APPLE-IOS: adrp x8, __MergedGlobals_x@PAGE
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;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals_x@PAGEOFF
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;CHECK-APPLE-IOS-NOT: adrp
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store i32 %a1, i32* @y, align 4
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store i32 %a2, i32* @z, align 4
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ret void
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}
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;CHECK: .type _MergedGlobals_x,@object // @_MergedGlobals_x
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;CHECK: .globl _MergedGlobals_x
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;CHECK: .align 3
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;CHECK: _MergedGlobals_x:
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;CHECK: .size _MergedGlobals_x, 12
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;CHECK: .globl x
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;CHECK: x = _MergedGlobals_x
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;CHECK: .globl y
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;CHECK: y = _MergedGlobals_x+4
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;CHECK: .globl z
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;CHECK: z = _MergedGlobals_x+8
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;CHECK-APPLE-IOS: .globl __MergedGlobals_x ; @_MergedGlobals_x
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;CHECK-APPLE-IOS: .zerofill __DATA,__common,__MergedGlobals_x,12,3
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;CHECK-APPLE-IOS: .globl _x
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;CHECK-APPLE-IOS: _x = __MergedGlobals_x
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;CHECK-APPLE-IOS: .globl _y
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;CHECK-APPLE-IOS: _y = __MergedGlobals_x+4
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;CHECK-APPLE-IOS: .globl _z
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;CHECK-APPLE-IOS: _z = __MergedGlobals_x+8
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;CHECK-APPLE-IOS: .subsections_via_symbols
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