| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -msan-eager-checks -S -passes='module(msan)' 2>&1 | \ |
| ; RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK %s |
| ; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S -passes='msan<eager-checks>' 2>&1 | \ |
| ; RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK %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" |
| |
| define noundef i32 @NormalRet() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @NormalRet( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: ret i32 123 |
| ; |
| ret i32 123 |
| } |
| |
| define i32 @PartialRet() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @PartialRet( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: store i32 0, ptr @__msan_retval_tls, align 8 |
| ; CHECK-NEXT: store i32 0, ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK-NEXT: ret i32 123 |
| ; |
| ret i32 123 |
| } |
| |
| define noundef i32 @LoadedRet() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @LoadedRet( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr |
| ; CHECK-NEXT: [[O:%.*]] = load i32, ptr [[P]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080 |
| ; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr |
| ; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416 |
| ; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr |
| ; CHECK-NEXT: [[_MSLD:%.*]] = load i32, ptr [[TMP3]], align 4 |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4 |
| ; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[_MSLD]], 0 |
| ; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP7:%.*]], label [[TMP8:%.*]], !prof [[PROF0:![0-9]+]] |
| ; CHECK: 7: |
| ; CHECK-NEXT: call void @__msan_warning_with_origin_noreturn(i32 [[TMP6]]) #[[ATTR3:[0-9]+]] |
| ; CHECK-NEXT: unreachable |
| ; CHECK: 8: |
| ; CHECK-NEXT: ret i32 [[O]] |
| ; |
| %p = inttoptr i64 0 to ptr |
| %o = load i32, ptr %p |
| ret i32 %o |
| } |
| |
| |
| define void @NormalArg(i32 noundef %a) nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @NormalArg( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080 |
| ; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr |
| ; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416 |
| ; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr |
| ; CHECK-NEXT: store i32 0, ptr [[TMP3]], align 4 |
| ; CHECK-NEXT: store i32 [[A:%.*]], ptr [[P]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %p = inttoptr i64 0 to ptr |
| store i32 %a, ptr %p |
| ret void |
| } |
| |
| define void @NormalArgAfterNoUndef(i32 noundef %a, i32 %b) nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @NormalArgAfterNoUndef( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8 |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), align 4 |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr |
| ; CHECK-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[P]] to i64 |
| ; CHECK-NEXT: [[TMP4:%.*]] = xor i64 [[TMP3]], 87960930222080 |
| ; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr |
| ; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP4]], 17592186044416 |
| ; CHECK-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP6]] to ptr |
| ; CHECK-NEXT: store i32 [[TMP1]], ptr [[TMP5]], align 4 |
| ; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP8:%.*]], label [[TMP9:%.*]], !prof [[PROF0]] |
| ; CHECK: 8: |
| ; CHECK-NEXT: store i32 [[TMP2]], ptr [[TMP7]], align 4 |
| ; CHECK-NEXT: br label [[TMP9]] |
| ; CHECK: 9: |
| ; CHECK-NEXT: store i32 [[B:%.*]], ptr [[P]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %p = inttoptr i64 0 to ptr |
| store i32 %b, ptr %p |
| ret void |
| } |
| |
| define void @PartialArg(i32 %a) nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @PartialArg( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @__msan_param_tls, align 8 |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr @__msan_param_origin_tls, align 4 |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr |
| ; CHECK-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[P]] to i64 |
| ; CHECK-NEXT: [[TMP4:%.*]] = xor i64 [[TMP3]], 87960930222080 |
| ; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr |
| ; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP4]], 17592186044416 |
| ; CHECK-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP6]] to ptr |
| ; CHECK-NEXT: store i32 [[TMP1]], ptr [[TMP5]], align 4 |
| ; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP8:%.*]], label [[TMP9:%.*]], !prof [[PROF0]] |
| ; CHECK: 8: |
| ; CHECK-NEXT: store i32 [[TMP2]], ptr [[TMP7]], align 4 |
| ; CHECK-NEXT: br label [[TMP9]] |
| ; CHECK: 9: |
| ; CHECK-NEXT: store i32 [[A:%.*]], ptr [[P]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %p = inttoptr i64 0 to ptr |
| store i32 %a, ptr %p |
| ret void |
| } |
| |
| define void @CallNormal() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @CallNormal( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[R:%.*]] = call i32 @NormalRet() #[[ATTR0:[0-9]+]] |
| ; CHECK-NEXT: call void @NormalArg(i32 [[R]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| %r = call i32 @NormalRet() nounwind uwtable sanitize_memory |
| call void @NormalArg(i32 %r) nounwind uwtable sanitize_memory |
| ret void |
| } |
| |
| define void @CallNormalArgAfterNoUndef() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @CallNormalArgAfterNoUndef( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[R:%.*]] = call i32 @NormalRet() #[[ATTR0]] |
| ; CHECK-NEXT: store i32 0, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8 |
| ; CHECK-NEXT: call void @NormalArgAfterNoUndef(i32 [[R]], i32 [[R]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| %r = call i32 @NormalRet() nounwind uwtable sanitize_memory |
| call void @NormalArgAfterNoUndef(i32 %r, i32 %r) nounwind uwtable sanitize_memory |
| ret void |
| } |
| |
| define void @CallWithLoaded() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @CallWithLoaded( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr |
| ; CHECK-NEXT: [[O:%.*]] = load i32, ptr [[P]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080 |
| ; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr |
| ; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416 |
| ; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr |
| ; CHECK-NEXT: [[_MSLD:%.*]] = load i32, ptr [[TMP3]], align 4 |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4 |
| ; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[_MSLD]], 0 |
| ; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP7:%.*]], label [[TMP8:%.*]], !prof [[PROF0]] |
| ; CHECK: 7: |
| ; CHECK-NEXT: call void @__msan_warning_with_origin_noreturn(i32 [[TMP6]]) #[[ATTR3]] |
| ; CHECK-NEXT: unreachable |
| ; CHECK: 8: |
| ; CHECK-NEXT: call void @NormalArg(i32 [[O]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| %p = inttoptr i64 0 to ptr |
| %o = load i32, ptr %p |
| call void @NormalArg(i32 %o) nounwind uwtable sanitize_memory |
| ret void |
| } |
| |
| define void @CallPartial() nounwind uwtable sanitize_memory { |
| ; CHECK-LABEL: @CallPartial( |
| ; CHECK-NEXT: call void @llvm.donothing() |
| ; CHECK-NEXT: store i32 0, ptr @__msan_retval_tls, align 8 |
| ; CHECK-NEXT: [[R:%.*]] = call i32 @PartialRet() #[[ATTR0]] |
| ; CHECK-NEXT: [[_MSRET:%.*]] = load i32, ptr @__msan_retval_tls, align 8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK-NEXT: store i32 [[_MSRET]], ptr @__msan_param_tls, align 8 |
| ; CHECK-NEXT: store i32 [[TMP1]], ptr @__msan_param_origin_tls, align 4 |
| ; CHECK-NEXT: call void @PartialArg(i32 [[R]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| %r = call i32 @PartialRet() nounwind uwtable sanitize_memory |
| call void @PartialArg(i32 %r) nounwind uwtable sanitize_memory |
| ret void |
| } |