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[asan] Test ASan instrumentation for shadow scale value of 5

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Add additional RUN clauses to test for -asan-mapping-scale=5 in
selective tests, with special CHECK statements where needed.

Differential Revision: https://reviews.llvm.org/D39775

llvm-svn: 318493
This commit is contained in:
Walter Lee 2017-11-17 01:15:31 +00:00
parent e01dc73ad2
commit 447cf74704
10 changed files with 34 additions and 14 deletions
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1
test/Instrumentation/AddressSanitizer/adaptive_global_redzones.ll
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@ -1,4 +1,5 @@
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"

15
test/Instrumentation/AddressSanitizer/basic.ll
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@ -1,6 +1,7 @@
; Test basic address sanitizer instrumentation.
;
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -asan-mapping-scale=5 -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
@ -10,7 +11,8 @@ define i32 @test_load(i32* %a) sanitize_address {
; CHECK-LABEL: @test_load
; CHECK-NOT: load
; CHECK: %[[LOAD_ADDR:[^ ]*]] = ptrtoint i32* %a to i64
; CHECK: lshr i64 %[[LOAD_ADDR]], 3
; CHECK-S3: lshr i64 %[[LOAD_ADDR]], 3
; CHECK-S5: lshr i64 %[[LOAD_ADDR]], 5
; CHECK: {{or|add}}
; CHECK: %[[LOAD_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[LOAD_SHADOW:[^ ]*]] = load i8, i8* %[[LOAD_SHADOW_PTR]]
@ -18,7 +20,8 @@ define i32 @test_load(i32* %a) sanitize_address {
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}!prof ![[PROF:[0-9]+]]
;
; First instrumentation block refines the shadow test.
; CHECK: and i64 %[[LOAD_ADDR]], 7
; CHECK-S3: and i64 %[[LOAD_ADDR]], 7
; CHECK-S5: and i64 %[[LOAD_ADDR]], 31
; CHECK: add i64 %{{.*}}, 3
; CHECK: trunc i64 %{{.*}} to i8
; CHECK: icmp sge i8 %{{.*}}, %[[LOAD_SHADOW]]
@ -43,7 +46,8 @@ define void @test_store(i32* %a) sanitize_address {
; CHECK-LABEL: @test_store
; CHECK-NOT: store
; CHECK: %[[STORE_ADDR:[^ ]*]] = ptrtoint i32* %a to i64
; CHECK: lshr i64 %[[STORE_ADDR]], 3
; CHECK-S3: lshr i64 %[[STORE_ADDR]], 3
; CHECK-S5: lshr i64 %[[STORE_ADDR]], 5
; CHECK: {{or|add}}
; CHECK: %[[STORE_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[STORE_SHADOW:[^ ]*]] = load i8, i8* %[[STORE_SHADOW_PTR]]
@ -51,7 +55,8 @@ define void @test_store(i32* %a) sanitize_address {
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; First instrumentation block refines the shadow test.
; CHECK: and i64 %[[STORE_ADDR]], 7
; CHECK-S3: and i64 %[[STORE_ADDR]], 7
; CHECK-S5: and i64 %[[STORE_ADDR]], 31
; CHECK: add i64 %{{.*}}, 3
; CHECK: trunc i64 %{{.*}} to i8
; CHECK: icmp sge i8 %{{.*}}, %[[STORE_SHADOW]]

1
test/Instrumentation/AddressSanitizer/global_metadata.ll
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@ -1,4 +1,5 @@
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

7
test/Instrumentation/AddressSanitizer/global_metadata_array.ll
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@ -1,6 +1,7 @@
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-apple-macosx10.11.0 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-pc-windows-msvc19.0.24215 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-apple-macosx10.11.0 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -mtriple=x86_64-pc-windows-msvc19.0.24215 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=0 -asan-mapping-scale=5 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

1
test/Instrumentation/AddressSanitizer/instrument-stack.ll
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@ -1,5 +1,6 @@
; This test checks that we are not instrumenting direct inbound stack accesses.
; RUN: opt < %s -asan -asan-module -asan-opt-stack -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-opt-stack -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

1
test/Instrumentation/AddressSanitizer/instrument_global.ll
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@ -1,4 +1,5 @@
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
@xxx = global i32 0, align 4

1
test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
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@ -1,4 +1,5 @@
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
@xxx = internal global i32 0, align 4 ; With dynamic initializer.

2
test/Instrumentation/AddressSanitizer/stack-poisoning-byval-args.ll
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@ -1,6 +1,8 @@
; This check verifies that arguments passed by value get redzones.
; RUN: opt < %s -asan -asan-realign-stack=32 -S | FileCheck %s
; RUN: opt < %s -asan -asan-realign-stack=32 -asan-force-dynamic-shadow -S | FileCheck %s
; RUN: opt < %s -asan -asan-realign-stack=32 -asan-mapping-scale=5 -S | FileCheck %s
; RUN: opt < %s -asan -asan-realign-stack=32 -asan-force-dynamic-shadow -asan-mapping-scale=5 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"

2
test/Instrumentation/AddressSanitizer/stack_dynamic_alloca.ll
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@ -1,5 +1,7 @@
; RUN: opt < %s -asan -asan-module -asan-stack-dynamic-alloca \
; RUN: -asan-use-after-return -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-stack-dynamic-alloca -asan-mapping-scale=5 \
; RUN: -asan-use-after-return -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

17
test/Instrumentation/AddressSanitizer/test64.ll
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@ -1,4 +1,5 @@
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -asan-mapping-scale=5 -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
define i32 @read_4_bytes(i32* %a) sanitize_address {
@ -8,9 +9,11 @@ entry:
}
; CHECK-LABEL: @read_4_bytes
; CHECK-NOT: ret
; CHECK: lshr {{.*}} 3
; Check for ASAN's Offset for 64-bit (7fff8000)
; CHECK-NEXT: add{{.*}}2147450880
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; Check for ASAN's Offset for 64-bit (7fff8000|7ffe0000)
; CHECK-S3-NEXT: add{{.*}}2147450880
; CHECK-S5-NEXT: add{{.*}}2147352576
; CHECK: ret
define void @example_atomicrmw(i64* %ptr) nounwind uwtable sanitize_address {
@ -20,7 +23,8 @@ entry:
}
; CHECK-LABEL: @example_atomicrmw
; CHECK: lshr {{.*}} 3
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; CHECK: __asan_report_store8
; CHECK-NOT: __asan_report
; CHECK: atomicrmw
@ -33,7 +37,8 @@ entry:
}
; CHECK-LABEL: @example_cmpxchg
; CHECK: lshr {{.*}} 3
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; CHECK: __asan_report_store8
; CHECK-NOT: __asan_report
; CHECK: cmpxchg