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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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47
external/llvm/test/Instrumentation/AddressSanitizer/with-ifunc.ll vendored
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@ -1,47 +0,0 @@
; Test -asan-with-ifunc flag.
;
; RUN: opt -asan -asan-module -S -asan-with-ifunc=0 < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=1 < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC-NOREMAT
; Pre-Lollipop Android does not support ifunc.
; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android20 < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android21 < %s | \
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7--linux-android22"
; CHECK-IFUNC: @__asan_shadow = external global [0 x i8]
; CHECK-NOIFUNC: @__asan_shadow_memory_dynamic_address = external global i32
define i32 @test_load(i32* %a) sanitize_address {
; First instrumentation in the function must be to load the dynamic shadow
; address into a local variable.
; CHECK-LABEL: @test_load
; CHECK: entry:
; CHECK-IFUNC-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32
; CHECK-IFUNC-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3
; CHECK-IFUNC-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], ptrtoint ([0 x i8]* @__asan_shadow to i32)
; CHECK-IFUNC-NOREMAT-NEXT: %[[S:[^ ]*]] = call i32 asm "", "=r,0"([0 x i8]* @__asan_shadow)
; CHECK-IFUNC-NOREMAT-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32
; CHECK-IFUNC-NOREMAT-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3
; CHECK-IFUNC-NOREMAT-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], %[[S]]
; CHECK-NOIFUNC-NEXT: %[[SHADOW:[^ ]*]] = load i32, i32* @__asan_shadow_memory_dynamic_address
; CHECK-NOIFUNC-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32
; CHECK-NOIFUNC-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3
; CHECK-NOIFUNC-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], %[[SHADOW]]
entry:
%x = load i32, i32* %a, align 4
ret i32 %x
}