[NFCI][BoundsChecking] Apply nosanitize on local-bounds instrumentation #122416
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Created using spr 1.3.4 [skip ci]
Created using spr 1.3.4
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@llvm/pr-subscribers-clang @llvm/pr-subscribers-llvm-transforms Author: Vitaly Buka (vitalybuka) ChangesShould be NFCI as we run sanitizer, like msan, before local-bounds. Full diff: https://github.com/llvm/llvm-project/pull/122416.diff 3 Files Affected:
diff --git a/clang/test/CodeGen/allow-ubsan-check.c b/clang/test/CodeGen/allow-ubsan-check.c
index 2c4e10080df2c3..e389066cbfd6d4 100644
--- a/clang/test/CodeGen/allow-ubsan-check.c
+++ b/clang/test/CodeGen/allow-ubsan-check.c
@@ -157,8 +157,8 @@ void use(double*);
// CHECK-NEXT: [[TMP2:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[TBAA8:![0-9]+]]
// CHECK-NEXT: ret double [[TMP2]]
// CHECK: [[TRAP]]:
-// CHECK-NEXT: call void @__ubsan_handle_local_out_of_bounds_abort() #[[ATTR7]]
-// CHECK-NEXT: unreachable
+// CHECK-NEXT: call void @__ubsan_handle_local_out_of_bounds_abort() #[[ATTR7]], !nosanitize [[META2]]
+// CHECK-NEXT: unreachable, !nosanitize [[META2]]
//
// TRAP-LABEL: define dso_local double @f1(
// TRAP-SAME: i32 noundef [[B:%.*]], i32 noundef [[I:%.*]]) local_unnamed_addr #[[ATTR0]] {
@@ -174,8 +174,8 @@ void use(double*);
// TRAP-NEXT: [[TMP2:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[TBAA7:![0-9]+]]
// TRAP-NEXT: ret double [[TMP2]]
// TRAP: [[TRAP]]:
-// TRAP-NEXT: call void @llvm.ubsantrap(i8 3) #[[ATTR6]]
-// TRAP-NEXT: unreachable
+// TRAP-NEXT: call void @llvm.ubsantrap(i8 3) #[[ATTR6]], !nosanitize [[META2]]
+// TRAP-NEXT: unreachable, !nosanitize [[META2]]
//
// RECOVER-LABEL: define dso_local double @f1(
// RECOVER-SAME: i32 noundef [[B:%.*]], i32 noundef [[I:%.*]]) local_unnamed_addr #[[ATTR0]] {
@@ -191,8 +191,8 @@ void use(double*);
// RECOVER-NEXT: [[TMP2:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[TBAA8:![0-9]+]]
// RECOVER-NEXT: ret double [[TMP2]]
// RECOVER: [[TRAP]]:
-// RECOVER-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR7]]
-// RECOVER-NEXT: br label %[[BB1]]
+// RECOVER-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR7]], !nosanitize [[META2]]
+// RECOVER-NEXT: br label %[[BB1]], !nosanitize [[META2]]
//
double f1(int b, int i) {
double a[b];
diff --git a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
index 3d2a2663230c06..2a56bac3cf9f95 100644
--- a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
+++ b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
@@ -41,7 +41,13 @@ STATISTIC(ChecksAdded, "Bounds checks added");
STATISTIC(ChecksSkipped, "Bounds checks skipped");
STATISTIC(ChecksUnable, "Bounds checks unable to add");
-using BuilderTy = IRBuilder<TargetFolder>;
+class BuilderTy : public IRBuilder<TargetFolder> {
+public:
+ BuilderTy(BasicBlock *TheBB, BasicBlock::iterator IP, TargetFolder Folder)
+ : IRBuilder<TargetFolder>(TheBB, IP, Folder) {
+ SetNoSanitizeMetadata();
+ }
+};
/// Gets the conditions under which memory accessing instructions will overflow.
///
diff --git a/llvm/test/Instrumentation/BoundsChecking/runtimes.ll b/llvm/test/Instrumentation/BoundsChecking/runtimes.ll
index 6695e0fa549fa7..ccc7e93615fed2 100644
--- a/llvm/test/Instrumentation/BoundsChecking/runtimes.ll
+++ b/llvm/test/Instrumentation/BoundsChecking/runtimes.ll
@@ -16,113 +16,113 @@ define void @f1(i64 %x) nounwind {
; TR-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; TR-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; TR-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; TR-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; TR-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; TR-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; TR-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; TR-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; TR-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; TR-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; TR-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; TR-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; TR: [[BB7]]:
; TR-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; TR-NEXT: ret void
; TR: [[TRAP]]:
-; TR-NEXT: call void @llvm.trap() #[[ATTR2:[0-9]+]]
-; TR-NEXT: unreachable
+; TR-NEXT: call void @llvm.trap() #[[ATTR2:[0-9]+]], !nosanitize [[META0]]
+; TR-NEXT: unreachable, !nosanitize [[META0]]
;
; RT-LABEL: define void @f1(
; RT-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; RT-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; RT-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; RT-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; RT-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; RT-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; RT-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; RT-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; RT-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; RT-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; RT-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; RT-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; RT: [[BB7]]:
; RT-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; RT-NEXT: ret void
; RT: [[TRAP]]:
-; RT-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR0]]
-; RT-NEXT: br label %[[BB7]]
+; RT-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR0]], !nosanitize [[META0]]
+; RT-NEXT: br label %[[BB7]], !nosanitize [[META0]]
;
; TR-NOMERGE-LABEL: define void @f1(
; TR-NOMERGE-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; TR-NOMERGE-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; TR-NOMERGE-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; TR-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; TR-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; TR-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; TR-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; TR-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; TR-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; TR-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; TR-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; TR-NOMERGE-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; TR-NOMERGE: [[BB7]]:
; TR-NOMERGE-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; TR-NOMERGE-NEXT: ret void
; TR-NOMERGE: [[TRAP]]:
-; TR-NOMERGE-NEXT: call void @llvm.ubsantrap(i8 3) #[[ATTR2:[0-9]+]]
-; TR-NOMERGE-NEXT: unreachable
+; TR-NOMERGE-NEXT: call void @llvm.ubsantrap(i8 3) #[[ATTR2:[0-9]+]], !nosanitize [[META0]]
+; TR-NOMERGE-NEXT: unreachable, !nosanitize [[META0]]
;
; RT-NOMERGE-LABEL: define void @f1(
; RT-NOMERGE-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; RT-NOMERGE-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; RT-NOMERGE-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; RT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; RT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; RT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; RT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; RT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; RT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; RT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; RT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; RT-NOMERGE-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; RT-NOMERGE: [[BB7]]:
; RT-NOMERGE-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; RT-NOMERGE-NEXT: ret void
; RT-NOMERGE: [[TRAP]]:
-; RT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR1:[0-9]+]]
-; RT-NOMERGE-NEXT: br label %[[BB7]]
+; RT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds() #[[ATTR1:[0-9]+]], !nosanitize [[META0]]
+; RT-NOMERGE-NEXT: br label %[[BB7]], !nosanitize [[META0]]
;
; RTABORT-NOMERGE-LABEL: define void @f1(
; RTABORT-NOMERGE-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; RTABORT-NOMERGE-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; RTABORT-NOMERGE-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; RTABORT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; RTABORT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; RTABORT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; RTABORT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; RTABORT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; RTABORT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; RTABORT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; RTABORT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; RTABORT-NOMERGE-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; RTABORT-NOMERGE: [[BB7]]:
; RTABORT-NOMERGE-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; RTABORT-NOMERGE-NEXT: ret void
; RTABORT-NOMERGE: [[TRAP]]:
-; RTABORT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_abort() #[[ATTR2:[0-9]+]]
-; RTABORT-NOMERGE-NEXT: unreachable
+; RTABORT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_abort() #[[ATTR2:[0-9]+]], !nosanitize [[META0]]
+; RTABORT-NOMERGE-NEXT: unreachable, !nosanitize [[META0]]
;
; MINRT-NOMERGE-LABEL: define void @f1(
; MINRT-NOMERGE-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; MINRT-NOMERGE-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; MINRT-NOMERGE-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; MINRT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; MINRT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; MINRT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; MINRT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; MINRT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; MINRT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; MINRT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; MINRT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; MINRT-NOMERGE-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; MINRT-NOMERGE: [[BB7]]:
; MINRT-NOMERGE-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; MINRT-NOMERGE-NEXT: ret void
; MINRT-NOMERGE: [[TRAP]]:
-; MINRT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_minimal() #[[ATTR1:[0-9]+]]
-; MINRT-NOMERGE-NEXT: br label %[[BB7]]
+; MINRT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_minimal() #[[ATTR1:[0-9]+]], !nosanitize [[META0]]
+; MINRT-NOMERGE-NEXT: br label %[[BB7]], !nosanitize [[META0]]
;
; MINRTABORT-NOMERGE-LABEL: define void @f1(
; MINRTABORT-NOMERGE-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; MINRTABORT-NOMERGE-NEXT: [[TMP1:%.*]] = mul i64 16, [[X]]
; MINRTABORT-NOMERGE-NEXT: [[TMP2:%.*]] = alloca i128, i64 [[X]], align 8
-; MINRTABORT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0
-; MINRTABORT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16
-; MINRTABORT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]]
-; MINRTABORT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]]
+; MINRTABORT-NOMERGE-NEXT: [[TMP3:%.*]] = sub i64 [[TMP1]], 0, !nosanitize [[META0:![0-9]+]]
+; MINRTABORT-NOMERGE-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 16, !nosanitize [[META0]]
+; MINRTABORT-NOMERGE-NEXT: [[TMP5:%.*]] = or i1 false, [[TMP4]], !nosanitize [[META0]]
+; MINRTABORT-NOMERGE-NEXT: [[TMP6:%.*]] = or i1 false, [[TMP5]], !nosanitize [[META0]]
; MINRTABORT-NOMERGE-NEXT: br i1 [[TMP6]], label %[[TRAP:.*]], label %[[BB7:.*]]
; MINRTABORT-NOMERGE: [[BB7]]:
; MINRTABORT-NOMERGE-NEXT: [[TMP8:%.*]] = load i128, ptr [[TMP2]], align 4
; MINRTABORT-NOMERGE-NEXT: ret void
; MINRTABORT-NOMERGE: [[TRAP]]:
-; MINRTABORT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_minimal_abort() #[[ATTR2:[0-9]+]]
-; MINRTABORT-NOMERGE-NEXT: unreachable
+; MINRTABORT-NOMERGE-NEXT: call void @__ubsan_handle_local_out_of_bounds_minimal_abort() #[[ATTR2:[0-9]+]], !nosanitize [[META0]]
+; MINRTABORT-NOMERGE-NEXT: unreachable, !nosanitize [[META0]]
;
%1 = alloca i128, i64 %x
%3 = load i128, ptr %1, align 4
@@ -154,3 +154,17 @@ define void @f1(i64 %x) nounwind {
; MINRTABORT-NOMERGE: attributes #[[ATTR1:[0-9]+]] = { noreturn nounwind }
; MINRTABORT-NOMERGE: attributes #[[ATTR2]] = { nomerge noreturn nounwind }
;.
+; TR: [[META0]] = !{}
+;.
+; RT: [[META0]] = !{}
+;.
+; TR-NOMERGE: [[META0]] = !{}
+;.
+; RT-NOMERGE: [[META0]] = !{}
+;.
+; RTABORT-NOMERGE: [[META0]] = !{}
+;.
+; MINRT-NOMERGE: [[META0]] = !{}
+;.
+; MINRTABORT-NOMERGE: [[META0]] = !{}
+;.
|
Created using spr 1.3.4 [skip ci]
thurstond
approved these changes
Jan 10, 2025
Created using spr 1.3.4 [skip ci]
Created using spr 1.3.4 [skip ci]
Created using spr 1.3.4 [skip ci]
vitalybuka
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BaiXilin
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…on (llvm#122416) Should be NFCI as we run sanitizer, like msan, before local-bounds.
Mel-Chen
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…on (llvm#122416) Should be NFCI as we run sanitizer, like msan, before local-bounds.
DKLoehr
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Jan 17, 2025
…on (llvm#122416) Should be NFCI as we run sanitizer, like msan, before local-bounds.
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Should be NFCI as we run sanitizer, like msan, before local-bounds.