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Commit cbd3dbc6 by Thomas Lively
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Subzero: Implemented codegen for poisoning and unpoisoning stack redzones

BUG=https://bugs.chromium.org/p/nativeclient/issues/detail?id=4374 R=kschimpf@google.com, stichnot@chromium.org Review URL: https://codereview.chromium.org/2194853003 .
parent a64156e8
Showing with 332 additions and 172 deletions
src/IceASanInstrumentation.h
......@@ -54,7 +54,7 @@ private:
void instrumentStart(Cfg *Func) override;
void finishFunc(Cfg *Func) override;
ICE_TLS_DECLARE_FIELD(VarSizeMap *, LocalVars);
ICE_TLS_DECLARE_FIELD(std::vector<InstCall *> *, LocalDtors);
ICE_TLS_DECLARE_FIELD(std::vector<InstStore *> *, LocalDtors);
GlobalSizeMap GlobalSizes;
std::atomic<uint32_t> RzNum;
bool DidProcessGlobals = false;
......
src/IceCfg.cpp
......@@ -897,7 +897,7 @@ void Cfg::sortAndCombineAllocas(CfgVector<InstAlloca *> &Allocas,
uint32_t Align1 = A1->getAlignInBytes();
uint32_t Align2 = A2->getAlignInBytes();
if (Align1 == Align2)
return A1->getNumber() > A2->getNumber();
return A1->getNumber() < A2->getNumber();
else
return Align1 > Align2;
});
......
tests_lit/asan_tests/alignment.ll
......@@ -13,34 +13,19 @@ define internal i32 @func(i32 %arg1, i32 %arg2) {
}
; CHECK: func
; CHECK-NEXT: sub esp,0xbc
; CHECK-NEXT: lea eax,[esp+0x10]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x20
; CHECK-NEXT: mov DWORD PTR [esp+0x8],0xffffffff
; CHECK-NEXT: __asan_poison
; CHECK-NEXT: lea eax,[esp+0x74]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x3c
; CHECK-NEXT: mov DWORD PTR [esp+0x8],0xffffffff
; CHECK-NEXT: __asan_poison
; CHECK-NEXT: lea eax,[esp+0x35]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x3b
; CHECK-NEXT: mov DWORD PTR [esp+0x8],0xffffffff
; CHECK-NEXT: __asan_poison
; CHECK-NEXT: lea eax,[esp+0x74]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x3c
; CHECK-NEXT: __asan_unpoison
; CHECK-NEXT: lea eax,[esp+0x35]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x3b
; CHECK-NEXT: __asan_unpoison
; CHECK-NEXT: lea eax,[esp+0x10]
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],0x20
; CHECK-NEXT: __asan_unpoison
; CHECK-NEXT: sub esp,0xa0
; CHECK-NEXT: lea eax,[esp]
; CHECK-NEXT: shr eax,0x3
; CHECK-NEXT: mov DWORD PTR [eax+0x20000000],0xffffffff
; CHECK-NEXT: mov DWORD PTR [eax+0x20000004],0xffffff04
; CHECK-NEXT: mov DWORD PTR [eax+0x20000008],0xffffffff
; CHECK-NEXT: mov DWORD PTR [eax+0x2000000c],0xffffff05
; CHECK-NEXT: mov DWORD PTR [eax+0x20000010],0xffffffff
; CHECK-NEXT: mov DWORD PTR [eax+0x20000000],0x0
; CHECK-NEXT: mov DWORD PTR [eax+0x20000004],0x0
; CHECK-NEXT: mov DWORD PTR [eax+0x20000008],0x0
; CHECK-NEXT: mov DWORD PTR [eax+0x2000000c],0x0
; CHECK-NEXT: mov DWORD PTR [eax+0x20000010],0x0
; CHECK-NEXT: mov eax,0x2a
; CHECK-NEXT: add esp,0xbc
; CHECK-NEXT: add esp,0xa0
; CHECK-NEXT: ret
tests_lit/asan_tests/blacklist.ll
......@@ -36,14 +36,20 @@ define internal void @func() {
; DUMP-LABEL: ================ Instrumented CFG ================
; DUMP-NEXT: define internal void @func() {
; DUMP-NEXT: __0:
; DUMP-NEXT: %__$rz0 = alloca i8, i32 32, align 8
; DUMP-NEXT: %local = alloca i8, i32 64, align 8
; DUMP-NEXT: %__$rz1 = alloca i8, i32 32, align 8
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz1, i32 32, i32 -1)
; DUMP-NEXT: %__$rz0 = add i32 %local, 4
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz0, i32 60, i32 -1)
; DUMP-NEXT: %shadowIndex = lshr i32 %__$rz0, 3
; DUMP-NEXT: %firstShadowLoc = add i32 %shadowIndex, 536870912
; DUMP-NEXT: %__5 = add i32 %firstShadowLoc, 0
; DUMP-NEXT: store i32 -1, i32* %__5, align 1
; DUMP-NEXT: %__6 = add i32 %firstShadowLoc, 4
; DUMP-NEXT: store i32 -252, i32* %__6, align 1
; DUMP-NEXT: %__7 = add i32 %firstShadowLoc, 8
; DUMP-NEXT: store i32 -1, i32* %__7, align 1
; DUMP-NEXT: %heapvar = call i32 @__asan_malloc(i32 42)
; DUMP-NEXT: call void @__asan_free(i32 %heapvar)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 32)
; DUMP-NEXT: store i32 0, i32* %__5, align 1
; DUMP-NEXT: store i32 0, i32* %__6, align 1
; DUMP-NEXT: store i32 0, i32* %__7, align 1
; DUMP-NEXT: ret void
; DUMP-NEXT: }
tests_lit/asan_tests/errors.ll
......@@ -6,70 +6,115 @@
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; check with a many off the end local load
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; check with a one before the front local load
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2\
; RUN: %t.pexe -o %t && %t 1 2 2>&1 | FileCheck --check-prefix=LOCAL-LOAD %s
; check with a one off the end global load
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; check with a many off the end global load
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; check with a one before the front global load
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-LOAD %s
; check with a one off the end local store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; check with a many off the end local store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; check with a one before the front local store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 2>&1 | FileCheck \
; RUN: --check-prefix=LOCAL-STORE %s
; check with a one off the end global store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
; check with a many off the end global store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 10 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 10 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
; check with a one before the front global store
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 10 11 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
; RUN: llvm-as %s -o - | pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \
; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols -O2 \
; RUN: %t.pexe -o %t && %t 1 2 3 4 5 6 7 8 9 10 11 2>&1 | FileCheck \
; RUN: --check-prefix=GLOBAL-STORE %s
declare external void @exit(i32)
......
tests_lit/asan_tests/instrumentlocals.ll
......@@ -3,7 +3,7 @@
; REQUIRES: allow_dump
; RUN: %p2i -i %s --args -verbose=inst -threads=0 -fsanitize-address \
; RUN: | FileCheck --check-prefix=DUMP %s
; RUN: -allow-externally-defined-symbols | FileCheck --check-prefix=DUMP %s
; Function with local variables to be instrumented
define internal void @func() {
......@@ -12,34 +12,63 @@ define internal void @func() {
%local3 = alloca i8, i32 13, align 2
%local4 = alloca i8, i32 75, align 4
%local5 = alloca i8, i32 64, align 8
%i1 = ptrtoint i8* %local1 to i32
%i2 = ptrtoint i8* %local2 to i32
%i3 = ptrtoint i8* %local3 to i32
%i4 = ptrtoint i8* %local4 to i32
%i5 = ptrtoint i8* %local5 to i32
call void @foo(i32 %i1)
call void @foo(i32 %i2)
call void @foo(i32 %i3)
call void @foo(i32 %i4)
call void @foo(i32 %i5)
ret void
}
declare external void @foo(i32)
; DUMP-LABEL: ================ Instrumented CFG ================
; DUMP-NEXT: define internal void @func() {
; DUMP-NEXT: __0:
; DUMP-NEXT: %__$rz0 = alloca i8, i32 32, align 8
; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8
; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8
; DUMP-NEXT: %local3 = alloca i8, i32 64, align 8
; DUMP-NEXT: %local4 = alloca i8, i32 128, align 8
; DUMP-NEXT: %local5 = alloca i8, i32 96, align 8
; DUMP-NEXT: %__$rz[[RZ0:[0-9]+]] = alloca i8, i32 32, align 8
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ0]], i32 32, i32 -1)
; DUMP-NEXT: %__$rz[[RZ1:[0-9]+]] = add i32 %local1, 4
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ1]], i32 60, i32 -1)
; DUMP-NEXT: %__$rz[[RZ2:[0-9]+]] = add i32 %local2, 32
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ2]], i32 32, i32 -1)
; DUMP-NEXT: %__$rz[[RZ3:[0-9]+]] = add i32 %local3, 13
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ3]], i32 51, i32 -1)
; DUMP-NEXT: %__$rz[[RZ4:[0-9]+]] = add i32 %local4, 75
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ4]], i32 53, i32 -1)
; DUMP-NEXT: %__$rz[[RZ5:[0-9]+]] = add i32 %local5, 64
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ5]], i32 32, i32 -1)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ1]], i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ2]], i32 32)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ3]], i32 51)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ4]], i32 53)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ5]], i32 32)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ0]], i32 32)
; DUMP-NEXT: %shadowIndex = lshr i32 %__$rz0, 3
; DUMP-NEXT: %firstShadowLoc = add i32 %shadowIndex, 536870912
; DUMP-NEXT: %__8 = add i32 %firstShadowLoc, 0
; DUMP-NEXT: store i32 -1, i32* %__8, align 1
; DUMP-NEXT: %__9 = add i32 %firstShadowLoc, 4
; DUMP-NEXT: store i32 -252, i32* %__9, align 1
; DUMP-NEXT: %__10 = add i32 %firstShadowLoc, 8
; DUMP-NEXT: store i32 -1, i32* %__10, align 1
; DUMP-NEXT: %__11 = add i32 %firstShadowLoc, 16
; DUMP-NEXT: store i32 -1, i32* %__11, align 1
; DUMP-NEXT: %__12 = add i32 %firstShadowLoc, 20
; DUMP-NEXT: store i32 -64256, i32* %__12, align 1
; DUMP-NEXT: %__13 = add i32 %firstShadowLoc, 24
; DUMP-NEXT: store i32 -1, i32* %__13, align 1
; DUMP-NEXT: %__14 = add i32 %firstShadowLoc, 36
; DUMP-NEXT: store i32 -64768, i32* %__14, align 1
; DUMP-NEXT: %__15 = add i32 %firstShadowLoc, 40
; DUMP-NEXT: store i32 -1, i32* %__15, align 1
; DUMP-NEXT: %__16 = add i32 %firstShadowLoc, 52
; DUMP-NEXT: store i32 -1, i32* %__16, align 1
; DUMP-NEXT: call void @foo(i32 %local1)
; DUMP-NEXT: call void @foo(i32 %local2)
; DUMP-NEXT: call void @foo(i32 %local3)
; DUMP-NEXT: call void @foo(i32 %local4)
; DUMP-NEXT: call void @foo(i32 %local5)
; DUMP-NEXT: store i32 0, i32* %__8, align 1
; DUMP-NEXT: store i32 0, i32* %__9, align 1
; DUMP-NEXT: store i32 0, i32* %__10, align 1
; DUMP-NEXT: store i32 0, i32* %__11, align 1
; DUMP-NEXT: store i32 0, i32* %__12, align 1
; DUMP-NEXT: store i32 0, i32* %__13, align 1
; DUMP-NEXT: store i32 0, i32* %__14, align 1
; DUMP-NEXT: store i32 0, i32* %__15, align 1
; DUMP-NEXT: store i32 0, i32* %__16, align 1
; DUMP-NEXT: ret void
; DUMP-NEXT: }
tests_lit/asan_tests/multiple_returns.ll
......@@ -16,27 +16,38 @@ no:
ret void
}
; DUMP-LABEL: ================ Instrumented CFG ================
; DUMP-LABEL:================ Instrumented CFG ================
; DUMP-NEXT: define internal void @ret_twice(i32 %condarg) {
; DUMP-NEXT: __0:
; DUMP-NEXT: %__$rz0 = alloca i8, i32 32, align 8
; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8
; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8
; DUMP-NEXT: %__$rz2 = alloca i8, i32 32, align 8
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz2, i32 32, i32 -1)
; DUMP-NEXT: %__$rz0 = add i32 %local1, 4
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz0, i32 60, i32 -1)
; DUMP-NEXT: %__$rz1 = add i32 %local2, 4
; DUMP-NEXT: call void @__asan_poison(i32 %__$rz1, i32 60, i32 -1)
; DUMP-NEXT: %shadowIndex = lshr i32 %__$rz0, 3
; DUMP-NEXT: %firstShadowLoc = add i32 %shadowIndex, 53687091
; DUMP-NEXT: %__7 = add i32 %firstShadowLoc, 0
; DUMP-NEXT: store i32 -1, i32* %__7, align 1
; DUMP-NEXT: %__8 = add i32 %firstShadowLoc, 4
; DUMP-NEXT: store i32 -252, i32* %__8, align 1
; DUMP-NEXT: %__9 = add i32 %firstShadowLoc, 8
; DUMP-NEXT: store i32 -1, i32* %__9, align 1
; DUMP-NEXT: %__10 = add i32 %firstShadowLoc, 12
; DUMP-NEXT: store i32 -252, i32* %__10, align 1
; DUMP-NEXT: %__11 = add i32 %firstShadowLoc, 16
; DUMP-NEXT: store i32 -1, i32* %__11, align 1
; DUMP-NEXT: %cond = icmp ne i32 %condarg, 0
; DUMP-NEXT: br i1 %cond, label %yes, label %no
; DUMP-NEXT: yes:
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32)
; DUMP-NEXT: store i32 0, i32* %__7, align 1
; DUMP-NEXT: store i32 0, i32* %__8, align 1
; DUMP-NEXT: store i32 0, i32* %__9, align 1
; DUMP-NEXT: store i32 0, i32* %__10, align 1
; DUMP-NEXT: store i32 0, i32* %__11, align 1
; DUMP-NEXT: ret void
; DUMP-NEXT: no:
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60)
; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32)
; DUMP-NEXT: store i32 0, i32* %__7, align 1
; DUMP-NEXT: store i32 0, i32* %__8, align 1
; DUMP-NEXT: store i32 0, i32* %__9, align 1
; DUMP-NEXT: store i32 0, i32* %__10, align 1
; DUMP-NEXT: store i32 0, i32* %__11, align 1
; DUMP-NEXT: ret void
; DUMP-NEXT: }
tests_lit/asan_tests/scatteredallocas.ll 0 → 100644
; Test that static allocas throughout the entry block are instrumented correctly
; REQUIRES: allow_dump
; RUN: %p2i -i %s --args -verbose=inst -threads=0 -fsanitize-address \
; RUN: -allow-externally-defined-symbols | FileCheck --check-prefix=DUMP %s
declare external i32 @malloc(i32)
declare external void @free(i32)
define void @func() {
%a = alloca i8, i32 4, align 4
%m1 = call i32 @malloc(i32 42)
%b = alloca i8, i32 16, align 4
store i8 50, i8* %a, align 1
%c = alloca i8, i32 8, align 8
call void @free(i32 %m1)
%d = alloca i8, i32 12, align 4
ret void
}
; DUMP-LABEL: ================ Instrumented CFG ================
; DUMP-NEXT: define void @func() {
; DUMP-NEXT: __0:
; DUMP-NEXT: %__$rz0 = alloca i8, i32 32, align 8
; DUMP-NEXT: %a = alloca i8, i32 64, align 8
; DUMP-NEXT: %b = alloca i8, i32 64, align 8
; DUMP-NEXT: %c = alloca i8, i32 64, align 8
; DUMP-NEXT: %d = alloca i8, i32 64, align 8
; DUMP-NEXT: %shadowIndex = lshr i32 %__$rz0, 3
; DUMP-NEXT: %firstShadowLoc = add i32 %shadowIndex, 536870912
; DUMP-NEXT: %__8 = add i32 %firstShadowLoc, 0
; DUMP-NEXT: store i32 -1, i32* %__8, align 1
; DUMP-NEXT: %__9 = add i32 %firstShadowLoc, 4
; DUMP-NEXT: store i32 -252, i32* %__9, align 1
; DUMP-NEXT: %__10 = add i32 %firstShadowLoc, 8
; DUMP-NEXT: store i32 -1, i32* %__10, align 1
; DUMP-NEXT: %__11 = add i32 %firstShadowLoc, 12
; DUMP-NEXT: store i32 -65536, i32* %__11, align 1
; DUMP-NEXT: %__12 = add i32 %firstShadowLoc, 16
; DUMP-NEXT: store i32 -1, i32* %__12, align 1
; DUMP-NEXT: %__13 = add i32 %firstShadowLoc, 20
; DUMP-NEXT: store i32 -256, i32* %__13, align 1
; DUMP-NEXT: %__14 = add i32 %firstShadowLoc, 24
; DUMP-NEXT: store i32 -1, i32* %__14, align 1
; DUMP-NEXT: %__15 = add i32 %firstShadowLoc, 28
; DUMP-NEXT: store i32 -64512, i32* %__15, align 1
; DUMP-NEXT: %__16 = add i32 %firstShadowLoc, 32
; DUMP-NEXT: store i32 -1, i32* %__16, align 1
; DUMP-NEXT: %m1 = call i32 @__asan_malloc(i32 42)
; DUMP-NEXT: store i8 50, i8* %a, align 1
; DUMP-NEXT: call void @__asan_free(i32 %m1)
; DUMP-NEXT: store i32 0, i32* %__8, align 1
; DUMP-NEXT: store i32 0, i32* %__9, align 1
; DUMP-NEXT: store i32 0, i32* %__10, align 1
; DUMP-NEXT: store i32 0, i32* %__11, align 1
; DUMP-NEXT: store i32 0, i32* %__12, align 1
; DUMP-NEXT: store i32 0, i32* %__13, align 1
; DUMP-NEXT: store i32 0, i32* %__14, align 1
; DUMP-NEXT: store i32 0, i32* %__15, align 1
; DUMP-NEXT: store i32 0, i32* %__16, align 1
; DUMP-NEXT: ret void
; DUMP-NEXT: }
\ No newline at end of file
tests_lit/llvm2ice_tests/fused-alloca-arg.ll
......@@ -49,16 +49,16 @@ entry:
; CHECK-LABEL: caller2
; CHECK-NEXT: sub esp,0x6c
; CHECK-NEXT: mov eax,DWORD PTR [esp+0x70]
; CHECK-NEXT: mov DWORD PTR [esp+0x40],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x20],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x40],eax
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: lea eax,[esp+0x40]
; CHECK-NEXT: mov DWORD PTR [esp+0x4],eax
; CHECK-NEXT: lea eax,[esp+0x20]
; CHECK-NEXT: mov DWORD PTR [esp+0x8],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x4],eax
; CHECK-NEXT: lea eax,[esp+0x40]
; CHECK-NEXT: mov DWORD PTR [esp+0xc],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x8],eax
; CHECK-NEXT: lea eax,[esp+0x20]
; CHECK-NEXT: mov DWORD PTR [esp+0xc],eax
; CHECK-NEXT: lea eax,[esp+0x40]
; CHECK-NEXT: mov DWORD PTR [esp+0x10],eax
; CHECK-NEXT: call
; CHECK-NEXT: add esp,0x6c
......
tests_lit/llvm2ice_tests/fused-alloca.ll
......@@ -21,8 +21,8 @@ entry:
; CHECK-LABEL: fused_small_align
; CHECK-NEXT: sub esp,0x30
; CHECK-NEXT: mov eax,DWORD PTR [esp+0x34]
; CHECK-NEXT: mov DWORD PTR [esp+0x1c],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x10],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x18],eax
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: add esp,0x30
......@@ -46,9 +46,9 @@ entry:
; CHECK-NEXT: sub esp,0x80
; CHECK-NEXT: and esp,0xffffffc0
; CHECK-NEXT: mov eax,DWORD PTR [ebp+0x8]
; CHECK-NEXT: mov DWORD PTR [esp+0x60],eax
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x40],eax
; CHECK-NEXT: mov DWORD PTR [esp],eax
; CHECK-NEXT: mov DWORD PTR [esp+0x60],eax
; CHECK-NEXT: mov esp,ebp
; CHECK-NEXT: pop ebp
......@@ -154,10 +154,10 @@ next:
; CHECK-NEXT: add edx,0x0
; CHECK-NEXT: sub esp,0x10
; CHECK-NEXT: mov ebx,esp
; CHECK-NEXT: mov DWORD PTR [ecx],eax
; CHECK-NEXT: mov DWORD PTR [edx],eax
; CHECK-NEXT: mov DWORD PTR [ebp-0x24],eax
; CHECK-NEXT: mov DWORD PTR [ecx],eax
; CHECK-NEXT: mov DWORD PTR [ebp-0x14],eax
; CHECK-NEXT: mov DWORD PTR [ebp-0x24],eax
; CHECK-NEXT: mov DWORD PTR [ebx],eax
; CHECK-NEXT: mov esp,ebp
; CHECK-NEXT: pop ebp
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