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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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34
external/llvm/test/CodeGen/X86/safestack_ssp.ll vendored Normal file
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@@ -0,0 +1,34 @@
; Test codegen pipeline for SafeStack + StackProtector combination.
; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
; RUN: llc -mtriple=x86_64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-X64 %s
define void @_Z1fv() safestack sspreq {
entry:
%x = alloca i32, align 4
%0 = bitcast i32* %x to i8*
call void @_Z7CapturePi(i32* nonnull %x)
ret void
}
declare void @_Z7CapturePi(i32*)
; LINUX-X64-DAG: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]]
; LINUX-X64-DAG: movq %fs:(%[[A]]), %[[B:.*]]
; LINUX-X64-DAG: movq %fs:40, %[[COOKIE:.*]]
; LINUX-X64-DAG: leaq -16(%[[B]]), %[[C:.*]]
; LINUX-X64-DAG: movq %[[C]], %fs:(%[[A]])
; LINUX-X64-DAG: movq %[[COOKIE]], -8(%[[B]])
; LINUX-I386-DAG: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]]
; LINUX-I386-DAG: movl %gs:(%[[A]]), %[[B:.*]]
; LINUX-I386-DAG: movl %gs:20, %[[COOKIE:.*]]
; LINUX-I386-DAG: leal -16(%[[B]]), %[[C:.*]]
; LINUX-I386-DAG: movl %[[C]], %gs:(%[[A]])
; LINUX-I386-DAG: movl %[[COOKIE]], -4(%[[B]])
; FUCHSIA-X64-DAG: movq %fs:24, %[[B:.*]]
; FUCHSIA-X64-DAG: movq %fs:16, %[[COOKIE:.*]]
; FUCHSIA-X64-DAG: leaq -16(%[[B]]), %[[C:.*]]
; FUCHSIA-X64-DAG: movq %[[C]], %fs:24
; FUCHSIA-X64-DAG: movq %[[COOKIE]], -8(%[[B]])