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[hwasan] Add test for hwasan pass with fixed shadow
This test records the current behavior of HWASan, which doesn't utilize the fixed shadow intrinsics of llvm@365bddf It is intended to be updated in future work ("Optimize outlined memaccess for fixed shadow on Aarch64"; llvm#88544)
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llvm/test/Instrumentation/HWAddressSanitizer/fixed-shadow.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 | ||
; Test basic address sanitizer instrumentation. | ||
; | ||
; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=4398046511104 -S | FileCheck %s | ||
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" | ||
target triple = "aarch64--linux-android9001" | ||
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define i8 @test_load8(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i8 @test_load8 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 0) | ||
; CHECK-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i8 [[B]] | ||
; | ||
entry: | ||
%b = load i8, ptr %a, align 4 | ||
ret i8 %b | ||
} | ||
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define i16 @test_load16(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i16 @test_load16 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 1) | ||
; CHECK-NEXT: [[B:%.*]] = load i16, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i16 [[B]] | ||
; | ||
entry: | ||
%b = load i16, ptr %a, align 4 | ||
ret i16 %b | ||
} | ||
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define i32 @test_load32(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i32 @test_load32 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2) | ||
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i32 [[B]] | ||
; | ||
entry: | ||
%b = load i32, ptr %a, align 4 | ||
ret i32 %b | ||
} | ||
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define i64 @test_load64(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i64 @test_load64 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 3) | ||
; CHECK-NEXT: [[B:%.*]] = load i64, ptr [[A]], align 8 | ||
; CHECK-NEXT: ret i64 [[B]] | ||
; | ||
entry: | ||
%b = load i64, ptr %a, align 8 | ||
ret i64 %b | ||
} | ||
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define i128 @test_load128(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i128 @test_load128 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 4) | ||
; CHECK-NEXT: [[B:%.*]] = load i128, ptr [[A]], align 16 | ||
; CHECK-NEXT: ret i128 [[B]] | ||
; | ||
entry: | ||
%b = load i128, ptr %a, align 16 | ||
ret i128 %b | ||
} | ||
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define i40 @test_load40(ptr %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i40 @test_load40 | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[A]] to i64 | ||
; CHECK-NEXT: call void @__hwasan_loadN(i64 [[TMP0]], i64 5) | ||
; CHECK-NEXT: [[B:%.*]] = load i40, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i40 [[B]] | ||
; | ||
entry: | ||
%b = load i40, ptr %a, align 4 | ||
ret i40 %b | ||
} | ||
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define void @test_store8(ptr %a, i8 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store8 | ||
; CHECK-SAME: (ptr [[A:%.*]], i8 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 16) | ||
; CHECK-NEXT: store i8 [[B]], ptr [[A]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i8 %b, ptr %a, align 4 | ||
ret void | ||
} | ||
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define void @test_store16(ptr %a, i16 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store16 | ||
; CHECK-SAME: (ptr [[A:%.*]], i16 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 17) | ||
; CHECK-NEXT: store i16 [[B]], ptr [[A]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i16 %b, ptr %a, align 4 | ||
ret void | ||
} | ||
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define void @test_store32(ptr %a, i32 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store32 | ||
; CHECK-SAME: (ptr [[A:%.*]], i32 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 18) | ||
; CHECK-NEXT: store i32 [[B]], ptr [[A]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i32 %b, ptr %a, align 4 | ||
ret void | ||
} | ||
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define void @test_store64(ptr %a, i64 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store64 | ||
; CHECK-SAME: (ptr [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 19) | ||
; CHECK-NEXT: store i64 [[B]], ptr [[A]], align 8 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i64 %b, ptr %a, align 8 | ||
ret void | ||
} | ||
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define void @test_store128(ptr %a, i128 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store128 | ||
; CHECK-SAME: (ptr [[A:%.*]], i128 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 20) | ||
; CHECK-NEXT: store i128 [[B]], ptr [[A]], align 16 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i128 %b, ptr %a, align 16 | ||
ret void | ||
} | ||
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define void @test_store40(ptr %a, i40 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store40 | ||
; CHECK-SAME: (ptr [[A:%.*]], i40 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[A]] to i64 | ||
; CHECK-NEXT: call void @__hwasan_storeN(i64 [[TMP0]], i64 5) | ||
; CHECK-NEXT: store i40 [[B]], ptr [[A]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i40 %b, ptr %a, align 4 | ||
ret void | ||
} | ||
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define void @test_store_unaligned(ptr %a, i64 %b) sanitize_hwaddress { | ||
; CHECK-LABEL: define void @test_store_unaligned | ||
; CHECK-SAME: (ptr [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 4398046511104 to ptr)) | ||
; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[A]] to i64 | ||
; CHECK-NEXT: call void @__hwasan_storeN(i64 [[TMP0]], i64 8) | ||
; CHECK-NEXT: store i64 [[B]], ptr [[A]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
store i64 %b, ptr %a, align 4 | ||
ret void | ||
} | ||
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define i8 @test_load_noattr(ptr %a) { | ||
; CHECK-LABEL: define i8 @test_load_noattr | ||
; CHECK-SAME: (ptr [[A:%.*]]) { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i8 [[B]] | ||
; | ||
entry: | ||
%b = load i8, ptr %a, align 4 | ||
ret i8 %b | ||
} | ||
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define i8 @test_load_notmyattr(ptr %a) sanitize_address { | ||
; CHECK-LABEL: define i8 @test_load_notmyattr | ||
; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR1:[0-9]+]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 | ||
; CHECK-NEXT: ret i8 [[B]] | ||
; | ||
entry: | ||
%b = load i8, ptr %a, align 4 | ||
ret i8 %b | ||
} | ||
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define i8 @test_load_addrspace(ptr addrspace(256) %a) sanitize_hwaddress { | ||
; CHECK-LABEL: define i8 @test_load_addrspace | ||
; CHECK-SAME: (ptr addrspace(256) [[A:%.*]]) #[[ATTR0]] { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[B:%.*]] = load i8, ptr addrspace(256) [[A]], align 4 | ||
; CHECK-NEXT: ret i8 [[B]] | ||
; | ||
entry: | ||
%b = load i8, ptr addrspace(256) %a, align 4 | ||
ret i8 %b | ||
} |