derek.holloway
7502bf64a4
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59 lines
2.5 KiB
LLVM
59 lines
2.5 KiB
LLVM
; RUN: sed -e s/.tableonly:// %s | llc -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=CHECK,TABLEONLY
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; RUN: sed -e s/.tableonly:// %s | llc -mtriple=aarch64-w64-windows-gnu | FileCheck %s --check-prefixes=CHECK,TABLEONLY
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; RUN: sed -e s/.normal:// %s | llc -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=CHECK,USECHECK
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; RUN: sed -e s/.normal:// %s | llc -mtriple=aarch64-w64-windows-gnu | FileCheck %s --check-prefixes=CHECK,USECHECK
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; RUN: sed -e s/.normal:// %s | llc -mtriple=arm64ec-pc-windows-msvc 2>&1 | FileCheck %s --check-prefixes=CHECK,EC,NOECWARN
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; RUN: sed -e s/.check:// %s | llc -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=CHECK,USECHECK
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; RUN: sed -e s/.check:// %s | llc -mtriple=arm64ec-pc-windows-msvc 2>&1 | FileCheck %s --check-prefixes=CHECK,EC,NOECWARN
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; RUN: sed -e s/.dispatch:// %s | llc -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=CHECK,USEDISPATCH
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; RUN: sed -e s/.dispatch:// %s | llc -mtriple=arm64ec-pc-windows-msvc 2>&1 | FileCheck %s --check-prefixes=CHECK,EC,ECWARN
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; Control Flow Guard is currently only available on Windows
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; NOECWARN-NOT: warning:
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; ECWARN: warning: only the Check Control Flow Guard mechanism is supported for Arm64EC
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; If no checks were inserted then the GuardCF bit shouldn't be set in @feat.00.
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; TABLEONLY: "@feat.00" = 0
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; USECHECK: "@feat.00" = 2048
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; USEDISPATCH: "@feat.00" = 2048
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; EC: "@feat.00" = 2048
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declare void @target_func()
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define void @func_in_module_without_cfguard() #0 {
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entry:
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%func_ptr = alloca ptr, align 8
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store ptr @target_func, ptr %func_ptr, align 8
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%0 = load ptr, ptr %func_ptr, align 8
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call void %0()
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ret void
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; CHECK: adrp
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; USECHECK-SAME: __guard_check_icall_fptr
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; USECHECK-NOT: __guard_dispatch_icall_fptr
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; USEDISPATCH-SAME: __guard_dispatch_icall_fptr
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; USEDISPATCH-NOT: __guard_check_icall_fptr
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; TABLEONLY-SAME: target_func
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; TABLEONLY-NOT: __guard_dispatch_icall_fptr
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; TABLEONLY-NOT: __guard_check_icall_fptr
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; Arm64EC Always uses check
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; EC-SAME: __os_arm64x_check_icall_cfg
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; EC-NOT: _dispatch_icall_
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}
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; CHECK: .section .gfids$y,"dr"
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!0 = !{i32 2, !"cfguard", i32 1}
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!1 = !{i32 2, !"cfguard", i32 2}
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!2 = !{i32 2, !"cfguard-mechanism", i32 1}
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!3 = !{i32 2, !"cfguard-mechanism", i32 2}
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;tableonly: !llvm.module.flags = !{!0}
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;normal: !llvm.module.flags = !{!1}
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;check: !llvm.module.flags = !{!1, !2}
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;dispatch: !llvm.module.flags = !{!1, !3}
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