60 lines
3.4 KiB
LLVM
60 lines
3.4 KiB
LLVM
; Test -asan-with-ifunc flag.
|
|
;
|
|
; RUN: opt -asan -asan-module -S -asan-with-ifunc=0 < %s -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
|
|
; RUN: opt -passes='asan-pipeline' -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 -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
|
|
; RUN: opt -passes='asan-pipeline' -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 -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC-NOREMAT
|
|
; RUN: opt -passes='asan-pipeline' -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 -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
|
|
; RUN: opt -passes='asan-pipeline' -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 -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
|
|
; RUN: opt -passes='asan-pipeline' -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 -enable-new-pm=0 | \
|
|
; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
|
|
; RUN: opt -passes='asan-pipeline' -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
|
|
}
|