| ; Test basic address sanitizer instrumentation. |
| ; |
| ; RUN: opt < %s -passes=hwasan -hwasan-recover=0 -hwasan-with-ifunc=1 -hwasan-with-tls=0 -S | FileCheck %s --check-prefixes=CHECK,ABORT |
| ; RUN: opt < %s -passes=hwasan -hwasan-recover=1 -hwasan-with-ifunc=1 -hwasan-with-tls=0 -S | FileCheck %s --check-prefixes=CHECK,RECOVER,RECOVER-DYNAMIC-SHADOW |
| ; RUN: opt < %s -passes=hwasan -hwasan-recover=0 -hwasan-mapping-offset=0 -S | FileCheck %s --check-prefixes=CHECK,ABORT |
| ; RUN: opt < %s -passes=hwasan -hwasan-recover=1 -hwasan-mapping-offset=0 -S | FileCheck %s --check-prefixes=CHECK,RECOVER,RECOVER-ZERO-BASED-SHADOW |
| |
| ; CHECK: @llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @hwasan.module_ctor to i8*)] |
| ; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 0, void ()* @hwasan.module_ctor, i8* bitcast (void ()* @hwasan.module_ctor to i8*) }] |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-android10000" |
| |
| define i8 @test_load8(i8* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load8( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label %[[MISMATCH:[0-9]*]], label %[[CONT:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[MISMATCH]]: |
| ; RECOVER: %[[NOTSHORT:[^ ]*]] = icmp ugt i8 %[[MEMTAG]], 15 |
| ; RECOVER: br i1 %[[NOTSHORT]], label %[[FAIL:[0-9]*]], label %[[SHORT:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[FAIL]]: |
| ; RECOVER: call void asm sideeffect "brk #2336", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; RECOVER: [[SHORT]]: |
| ; RECOVER: %[[LOWBITS:[^ ]*]] = and i64 %[[A]], 15 |
| ; RECOVER: %[[LOWBITS_I8:[^ ]*]] = trunc i64 %[[LOWBITS]] to i8 |
| ; RECOVER: %[[LAST:[^ ]*]] = add i8 %[[LOWBITS_I8]], 0 |
| ; RECOVER: %[[OOB:[^ ]*]] = icmp uge i8 %[[LAST]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[OOB]], label %[[FAIL]], label %[[INBOUNDS:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[INBOUNDS]]: |
| ; RECOVER: %[[EOG_ADDR:[^ ]*]] = or i64 %[[C]], 15 |
| ; RECOVER: %[[EOG_PTR:[^ ]*]] = inttoptr i64 %[[EOG_ADDR]] to i8* |
| ; RECOVER: %[[EOGTAG:[^ ]*]] = load i8, i8* %[[EOG_PTR]] |
| ; RECOVER: %[[EOG_MISMATCH:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[EOGTAG]] |
| ; RECOVER: br i1 %[[EOG_MISMATCH]], label %[[FAIL]], label %[[CONT1:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[CONT1]]: |
| ; RECOVER: br label %[[CONT]] |
| |
| ; RECOVER: [[CONT]]: |
| |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %a, i32 0) |
| |
| ; CHECK: %[[G:[^ ]*]] = load i8, i8* %a, align 4 |
| ; CHECK: ret i8 %[[G]] |
| |
| entry: |
| %b = load i8, i8* %a, align 4 |
| ret i8 %b |
| } |
| |
| define i16 @test_load16(i16* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load16( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i16* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label %[[MISMATCH:[0-9]*]], label %[[CONT:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[MISMATCH]]: |
| ; RECOVER: %[[NOTSHORT:[^ ]*]] = icmp ugt i8 %[[MEMTAG]], 15 |
| ; RECOVER: br i1 %[[NOTSHORT]], label %[[FAIL:[0-9]*]], label %[[SHORT:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[FAIL]]: |
| ; RECOVER: call void asm sideeffect "brk #2337", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; RECOVER: [[SHORT]]: |
| ; RECOVER: %[[LOWBITS:[^ ]*]] = and i64 %[[A]], 15 |
| ; RECOVER: %[[LOWBITS_I8:[^ ]*]] = trunc i64 %[[LOWBITS]] to i8 |
| ; RECOVER: %[[LAST:[^ ]*]] = add i8 %[[LOWBITS_I8]], 1 |
| ; RECOVER: %[[OOB:[^ ]*]] = icmp uge i8 %[[LAST]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[OOB]], label %[[FAIL]], label %[[INBOUNDS:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[INBOUNDS]]: |
| ; RECOVER: %[[EOG_ADDR:[^ ]*]] = or i64 %[[C]], 15 |
| ; RECOVER: %[[EOG_PTR:[^ ]*]] = inttoptr i64 %[[EOG_ADDR]] to i8* |
| ; RECOVER: %[[EOGTAG:[^ ]*]] = load i8, i8* %[[EOG_PTR]] |
| ; RECOVER: %[[EOG_MISMATCH:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[EOGTAG]] |
| ; RECOVER: br i1 %[[EOG_MISMATCH]], label %[[FAIL]], label %[[CONT1:[0-9]*]], !prof {{.*}} |
| |
| ; RECOVER: [[CONT1]]: |
| ; RECOVER: br label %[[CONT]] |
| |
| ; RECOVER: [[CONT]]: |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i16* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 1) |
| |
| ; CHECK: %[[G:[^ ]*]] = load i16, i16* %a, align 4 |
| ; CHECK: ret i16 %[[G]] |
| |
| entry: |
| %b = load i16, i16* %a, align 4 |
| ret i16 %b |
| } |
| |
| define i32 @test_load32(i32* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load32( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i32* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2338", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i32* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 2) |
| |
| ; CHECK: %[[G:[^ ]*]] = load i32, i32* %a, align 4 |
| ; CHECK: ret i32 %[[G]] |
| |
| entry: |
| %b = load i32, i32* %a, align 4 |
| ret i32 %b |
| } |
| |
| define i64 @test_load64(i64* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load64( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i64* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2339", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i64* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 3) |
| |
| ; CHECK: %[[G:[^ ]*]] = load i64, i64* %a, align 8 |
| ; CHECK: ret i64 %[[G]] |
| |
| entry: |
| %b = load i64, i64* %a, align 8 |
| ret i64 %b |
| } |
| |
| define i128 @test_load128(i128* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load128( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i128* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2340", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i128* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 4) |
| |
| ; CHECK: %[[G:[^ ]*]] = load i128, i128* %a, align 16 |
| ; CHECK: ret i128 %[[G]] |
| |
| entry: |
| %b = load i128, i128* %a, align 16 |
| ret i128 %b |
| } |
| |
| define i40 @test_load40(i40* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load40( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 |
| ; ABORT: call void @__hwasan_loadN(i64 %[[A]], i64 5) |
| ; RECOVER: call void @__hwasan_loadN_noabort(i64 %[[A]], i64 5) |
| ; CHECK: %[[B:[^ ]*]] = load i40, i40* %a |
| ; CHECK: ret i40 %[[B]] |
| |
| entry: |
| %b = load i40, i40* %a, align 4 |
| ret i40 %b |
| } |
| |
| define void @test_store8(i8* %a, i8 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store8( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2352", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %a, i32 16) |
| |
| ; CHECK: store i8 %b, i8* %a, align 4 |
| ; CHECK: ret void |
| |
| entry: |
| store i8 %b, i8* %a, align 4 |
| ret void |
| } |
| |
| define void @test_store16(i16* %a, i16 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store16( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i16* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2353", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i16* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 17) |
| |
| ; CHECK: store i16 %b, i16* %a, align 4 |
| ; CHECK: ret void |
| |
| entry: |
| store i16 %b, i16* %a, align 4 |
| ret void |
| } |
| |
| define void @test_store32(i32* %a, i32 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store32( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i32* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2354", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i32* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 18) |
| |
| ; CHECK: store i32 %b, i32* %a, align 4 |
| ; CHECK: ret void |
| |
| entry: |
| store i32 %b, i32* %a, align 4 |
| ret void |
| } |
| |
| define void @test_store64(i64* %a, i64 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store64( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i64* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2355", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i64* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 19) |
| |
| ; CHECK: store i64 %b, i64* %a, align 8 |
| ; CHECK: ret void |
| |
| entry: |
| store i64 %b, i64* %a, align 8 |
| ret void |
| } |
| |
| define void @test_store128(i128* %a, i128 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store128( |
| ; RECOVER: %[[A:[^ ]*]] = ptrtoint i128* %a to i64 |
| ; RECOVER: %[[B:[^ ]*]] = lshr i64 %[[A]], 56 |
| ; RECOVER: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8 |
| ; RECOVER: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; RECOVER: %[[D:[^ ]*]] = lshr i64 %[[C]], 4 |
| ; RECOVER-DYNAMIC-SHADOW: %[[E:[^ ]*]] = getelementptr i8, i8* %.hwasan.shadow, i64 %4 |
| ; RECOVER-ZERO-BASED-SHADOW: %[[E:[^ ]*]] = inttoptr i64 %[[D]] to i8* |
| ; RECOVER: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]] |
| ; RECOVER: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]] |
| ; RECOVER: br i1 %[[F]], label {{.*}}, label {{.*}}, !prof {{.*}} |
| |
| ; RECOVER: call void asm sideeffect "brk #2356", "{x0}"(i64 %[[A]]) |
| ; RECOVER: br label |
| |
| ; ABORT: %[[A:[^ ]*]] = bitcast i128* %a to i8* |
| ; ABORT: call void @llvm.hwasan.check.memaccess.shortgranules(i8* %.hwasan.shadow, i8* %[[A]], i32 20) |
| |
| ; CHECK: store i128 %b, i128* %a, align 16 |
| ; CHECK: ret void |
| |
| entry: |
| store i128 %b, i128* %a, align 16 |
| ret void |
| } |
| |
| define void @test_store40(i40* %a, i40 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store40( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 |
| ; ABORT: call void @__hwasan_storeN(i64 %[[A]], i64 5) |
| ; RECOVER: call void @__hwasan_storeN_noabort(i64 %[[A]], i64 5) |
| ; CHECK: store i40 %b, i40* %a |
| ; CHECK: ret void |
| |
| entry: |
| store i40 %b, i40* %a, align 4 |
| ret void |
| } |
| |
| define void @test_store_unaligned(i64* %a, i64 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store_unaligned( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %a to i64 |
| ; ABORT: call void @__hwasan_storeN(i64 %[[A]], i64 8) |
| ; RECOVER: call void @__hwasan_storeN_noabort(i64 %[[A]], i64 8) |
| ; CHECK: store i64 %b, i64* %a, align 4 |
| ; CHECK: ret void |
| |
| entry: |
| store i64 %b, i64* %a, align 4 |
| ret void |
| } |
| |
| define i8 @test_load_noattr(i8* %a) { |
| ; CHECK-LABEL: @test_load_noattr( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %[[B:[^ ]*]] = load i8, i8* %a |
| ; CHECK-NEXT: ret i8 %[[B]] |
| |
| entry: |
| %b = load i8, i8* %a, align 4 |
| ret i8 %b |
| } |
| |
| define i8 @test_load_notmyattr(i8* %a) sanitize_address { |
| ; CHECK-LABEL: @test_load_notmyattr( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %[[B:[^ ]*]] = load i8, i8* %a |
| ; CHECK-NEXT: ret i8 %[[B]] |
| |
| entry: |
| %b = load i8, i8* %a, align 4 |
| ret i8 %b |
| } |
| |
| define i8 @test_load_addrspace(i8 addrspace(256)* %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load_addrspace( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %[[B:[^ ]*]] = load i8, i8 addrspace(256)* %a |
| ; CHECK-NEXT: ret i8 %[[B]] |
| |
| entry: |
| %b = load i8, i8 addrspace(256)* %a, align 4 |
| ret i8 %b |
| } |
| |
| ; CHECK: declare void @__hwasan_init() |
| |
| ; CHECK: define internal void @hwasan.module_ctor() #[[#ATTR:]] comdat { |
| ; CHECK-NEXT: call void @__hwasan_init() |
| ; CHECK-NEXT: ret void |
| ; CHECK-NEXT: } |
| |
| ; CHECK: attributes #[[#ATTR]] = { nounwind } |