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annotate test/CodeGen/AArch64/arm64-stackpointer.ll @ 117:facf19d07cd9

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check EHStack on EmitCall (CbC goto)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 24 Aug 2016 20:10:41 +0900
parents 60c9769439b8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s
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2
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3 define i64 @get_stack() nounwind {
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4 entry:
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5 ; CHECK-LABEL: get_stack:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; CHECK: mov x0, sp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 %sp = call i64 @llvm.read_register.i64(metadata !0)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 ret i64 %sp
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9 }
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10
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 define void @set_stack(i64 %val) nounwind {
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12 entry:
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13 ; CHECK-LABEL: set_stack:
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14 ; CHECK: mov sp, x0
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15 call void @llvm.write_register.i64(metadata !0, i64 %val)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 ret void
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17 }
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18
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 declare i64 @llvm.read_register.i64(metadata) nounwind
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20 declare void @llvm.write_register.i64(metadata, i64) nounwind
54457678186b LLVM 3.6
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21
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 ; register unsigned long current_stack_pointer asm("sp");
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 ; CHECK-NOT: .asciz "sp"
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60c9769439b8 LLVM 3.7
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
parents: 77
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24 !0 = !{!"sp\00"}