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-rw-r--r--lib/Transforms/Instrumentation/DataFlowSanitizer.cpp43
-rw-r--r--test/Instrumentation/DataFlowSanitizer/load.ll188
-rw-r--r--test/Instrumentation/DataFlowSanitizer/store.ll179
3 files changed, 289 insertions, 121 deletions
diff --git a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
index 9b9e725cde..c539be93a7 100644
--- a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -96,6 +96,22 @@ static cl::opt<bool> ClArgsABI(
cl::desc("Use the argument ABI rather than the TLS ABI"),
cl::Hidden);
+// Controls whether the pass includes or ignores the labels of pointers in load
+// instructions.
+static cl::opt<bool> ClCombinePointerLabelsOnLoad(
+ "dfsan-combine-pointer-labels-on-load",
+ cl::desc("Combine the label of the pointer with the label of the data when "
+ "loading from memory."),
+ cl::Hidden, cl::init(true));
+
+// Controls whether the pass includes or ignores the labels of pointers in
+// stores instructions.
+static cl::opt<bool> ClCombinePointerLabelsOnStore(
+ "dfsan-combine-pointer-labels-on-store",
+ cl::desc("Combine the label of the pointer with the label of the data when "
+ "storing in memory."),
+ cl::Hidden, cl::init(false));
+
static cl::opt<bool> ClDebugNonzeroLabels(
"dfsan-debug-nonzero-labels",
cl::desc("Insert calls to __dfsan_nonzero_label on observing a parameter, "
@@ -505,6 +521,7 @@ bool DataFlowSanitizer::runOnModule(Module &M) {
DFSanUnionLoadFn =
Mod->getOrInsertFunction("__dfsan_union_load", DFSanUnionLoadFnTy);
if (Function *F = dyn_cast<Function>(DFSanUnionLoadFn)) {
+ F->addAttribute(AttributeSet::FunctionIndex, Attribute::ReadOnly);
F->addAttribute(AttributeSet::ReturnIndex, Attribute::ZExt);
}
DFSanUnimplementedFn =
@@ -978,14 +995,15 @@ void DFSanVisitor::visitLoadInst(LoadInst &LI) {
Align = 1;
}
IRBuilder<> IRB(&LI);
- Value *LoadedShadow =
- DFSF.loadShadow(LI.getPointerOperand(), Size, Align, &LI);
- Value *PtrShadow = DFSF.getShadow(LI.getPointerOperand());
- Value *CombinedShadow = DFSF.DFS.combineShadows(LoadedShadow, PtrShadow, &LI);
- if (CombinedShadow != DFSF.DFS.ZeroShadow)
- DFSF.NonZeroChecks.insert(CombinedShadow);
-
- DFSF.setShadow(&LI, CombinedShadow);
+ Value *Shadow = DFSF.loadShadow(LI.getPointerOperand(), Size, Align, &LI);
+ if (ClCombinePointerLabelsOnLoad) {
+ Value *PtrShadow = DFSF.getShadow(LI.getPointerOperand());
+ Shadow = DFSF.DFS.combineShadows(Shadow, PtrShadow, &LI);
+ }
+ if (Shadow != DFSF.DFS.ZeroShadow)
+ DFSF.NonZeroChecks.insert(Shadow);
+
+ DFSF.setShadow(&LI, Shadow);
}
void DFSanFunction::storeShadow(Value *Addr, uint64_t Size, uint64_t Align,
@@ -1050,8 +1068,13 @@ void DFSanVisitor::visitStoreInst(StoreInst &SI) {
} else {
Align = 1;
}
- DFSF.storeShadow(SI.getPointerOperand(), Size, Align,
- DFSF.getShadow(SI.getValueOperand()), &SI);
+
+ Value* Shadow = DFSF.getShadow(SI.getValueOperand());
+ if (ClCombinePointerLabelsOnStore) {
+ Value *PtrShadow = DFSF.getShadow(SI.getPointerOperand());
+ Shadow = DFSF.DFS.combineShadows(Shadow, PtrShadow, &SI);
+ }
+ DFSF.storeShadow(SI.getPointerOperand(), Size, Align, Shadow, &SI);
}
void DFSanVisitor::visitBinaryOperator(BinaryOperator &BO) {
diff --git a/test/Instrumentation/DataFlowSanitizer/load.ll b/test/Instrumentation/DataFlowSanitizer/load.ll
index 6431213f8b..6cd5151b12 100644
--- a/test/Instrumentation/DataFlowSanitizer/load.ll
+++ b/test/Instrumentation/DataFlowSanitizer/load.ll
@@ -1,81 +1,155 @@
-; RUN: opt < %s -dfsan -S | FileCheck %s
+; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-load=1 -S | FileCheck %s --check-prefix=COMBINE_PTR_LABEL
+; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-load=0 -S | FileCheck %s --check-prefix=NO_COMBINE_PTR_LABEL
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"
define i8 @load8(i8* %p) {
- ; CHECK: @"dfs$load8"
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: load
- ; CHECK: store{{.*}}__dfsan_retval_tls
- ; CHECK: ret i8
+ ; COMBINE_PTR_LABEL: @"dfs$load8"
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} to i64
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call zeroext i16 @__dfsan_union
+ ; COMBINE_PTR_LABEL: load i8*
+ ; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; COMBINE_PTR_LABEL: ret i8
+
+ ; NO_COMBINE_PTR_LABEL: @"dfs$load8"
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i8*
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} to i16*
+ ; NO_COMBINE_PTR_LABEL: load i16*
+ ; NO_COMBINE_PTR_LABEL: load i8*
+ ; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; NO_COMBINE_PTR_LABEL: ret i8
+
%a = load i8* %p
ret i8 %a
}
define i16 @load16(i16* %p) {
- ; CHECK: @"dfs$load16"
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: load
- ; CHECK: load
- ; CHECK: icmp ne
- ; CHECK: call{{.*}}__dfsan_union
- ; CHECK: store{{.*}}__dfsan_retval_tls
- ; CHECK: ret i16
+ ; COMBINE_PTR_LABEL: @"dfs$load16"
+ ; COMBINE_PTR_LABEL: ptrtoint i16*
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: getelementptr i16
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: icmp ne
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: store {{.*}} @__dfsan_retval_tls
+ ; COMBINE_PTR_LABEL: ret i16
+
+ ; NO_COMBINE_PTR_LABEL: @"dfs$load16"
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i16*
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: load i16*
+ ; NO_COMBINE_PTR_LABEL: load i16*
+ ; NO_COMBINE_PTR_LABEL: icmp ne i16
+ ; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; NO_COMBINE_PTR_LABEL: load i16*
+ ; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; NO_COMBINE_PTR_LABEL: ret i16
+
%a = load i16* %p
ret i16 %a
}
define i32 @load32(i32* %p) {
- ; CHECK: @"dfs$load32"
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: bitcast
- ; CHECK: load
- ; CHECK: trunc
- ; CHECK: shl
- ; CHECK: lshr
- ; CHECK: or
- ; CHECK: icmp eq
+ ; COMBINE_PTR_LABEL: @"dfs$load32"
+ ; COMBINE_PTR_LABEL: ptrtoint i32*
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
+ ; COMBINE_PTR_LABEL: load i64*
+ ; COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
+ ; COMBINE_PTR_LABEL: shl i64
+ ; COMBINE_PTR_LABEL: lshr i64
+ ; COMBINE_PTR_LABEL: or i64
+ ; COMBINE_PTR_LABEL: icmp eq i64
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: load i32*
+ ; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; COMBINE_PTR_LABEL: ret i32
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
- ; CHECK: store{{.*}}__dfsan_retval_tls
- ; CHECK: ret i32
-
- ; CHECK: call{{.*}}__dfsan_union_load
+ ; NO_COMBINE_PTR_LABEL: @"dfs$load32"
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i32*
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
+ ; NO_COMBINE_PTR_LABEL: load i64*
+ ; NO_COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: shl i64
+ ; NO_COMBINE_PTR_LABEL: lshr i64
+ ; NO_COMBINE_PTR_LABEL: or i64
+ ; NO_COMBINE_PTR_LABEL: icmp eq i64
+ ; NO_COMBINE_PTR_LABEL: load i32*
+ ; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; NO_COMBINE_PTR_LABEL: ret i32
+ ; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
+
%a = load i32* %p
ret i32 %a
}
define i64 @load64(i64* %p) {
- ; CHECK: @"dfs$load64"
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: bitcast
- ; CHECK: load
- ; CHECK: trunc
- ; CHECK: shl
- ; CHECK: lshr
- ; CHECK: or
- ; CHECK: icmp eq
-
- ; CHECK: store{{.*}}__dfsan_retval_tls
- ; CHECK: ret i64
+ ; COMBINE_PTR_LABEL: @"dfs$load64"
+ ; COMBINE_PTR_LABEL: ptrtoint i64*
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
+ ; COMBINE_PTR_LABEL: load i64*
+ ; COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
+ ; COMBINE_PTR_LABEL: shl i64
+ ; COMBINE_PTR_LABEL: lshr i64
+ ; COMBINE_PTR_LABEL: or i64
+ ; COMBINE_PTR_LABEL: icmp eq i64
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: load i64*
+ ; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; COMBINE_PTR_LABEL: ret i64
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
+ ; COMBINE_PTR_LABEL: getelementptr i64* {{.*}} i64
+ ; COMBINE_PTR_LABEL: load i64*
+ ; COMBINE_PTR_LABEL: icmp eq i64
- ; CHECK: call{{.*}}__dfsan_union_load
-
- ; CHECK: getelementptr
- ; CHECK: load
- ; CHECK: icmp eq
+ ; NO_COMBINE_PTR_LABEL: @"dfs$load64"
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i64*
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
+ ; NO_COMBINE_PTR_LABEL: load i64*
+ ; NO_COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: shl i64
+ ; NO_COMBINE_PTR_LABEL: lshr i64
+ ; NO_COMBINE_PTR_LABEL: or i64
+ ; NO_COMBINE_PTR_LABEL: icmp eq i64
+ ; NO_COMBINE_PTR_LABEL: load i64*
+ ; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
+ ; NO_COMBINE_PTR_LABEL: ret i64
+ ; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
+ ; NO_COMBINE_PTR_LABEL: getelementptr i64* {{.*}} i64
+ ; NO_COMBINE_PTR_LABEL: load i64*
+ ; NO_COMBINE_PTR_LABEL: icmp eq i64
%a = load i64* %p
ret i64 %a
-}
+} \ No newline at end of file
diff --git a/test/Instrumentation/DataFlowSanitizer/store.ll b/test/Instrumentation/DataFlowSanitizer/store.ll
index 95091777a3..8060537f31 100644
--- a/test/Instrumentation/DataFlowSanitizer/store.ll
+++ b/test/Instrumentation/DataFlowSanitizer/store.ll
@@ -1,75 +1,146 @@
-; RUN: opt < %s -dfsan -S | FileCheck %s
+; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=1 -S | FileCheck %s --check-prefix=COMBINE_PTR_LABEL
+; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=0 -S | FileCheck %s --check-prefix=NO_COMBINE_PTR_LABEL
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"
define void @store8(i8 %v, i8* %p) {
- ; CHECK: @"dfs$store8"
- ; CHECK: load{{.*}}__dfsan_arg_tls
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: store
+ ; NO_COMBINE_PTR_LABEL: @"dfs$store8"
+ ; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} i64
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: store i8
+
+ ; COMBINE_PTR_LABEL: @"dfs$store8"
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: load i16*
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} i64
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: store i8
+
store i8 %v, i8* %p
ret void
}
define void @store16(i16 %v, i16* %p) {
- ; CHECK: @"dfs$store16"
- ; CHECK: load{{.*}}__dfsan_arg_tls
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: store
+ ; NO_COMBINE_PTR_LABEL: @"dfs$store16"
+ ; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: store i16
+
+ ; COMBINE_PTR_LABEL: @"dfs$store16"
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: store i16
+
store i16 %v, i16* %p
ret void
}
define void @store32(i32 %v, i32* %p) {
- ; CHECK: @"dfs$store32"
- ; CHECK: load{{.*}}__dfsan_arg_tls
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: store
+ ; NO_COMBINE_PTR_LABEL: @"dfs$store32"
+ ; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i32* {{.*}} i64
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: getelementptr i16*
+ ; NO_COMBINE_PTR_LABEL: store i16
+ ; NO_COMBINE_PTR_LABEL: store i32
+
+ ; COMBINE_PTR_LABEL: @"dfs$store32"
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: ptrtoint i32* {{.*}} i64
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: getelementptr i16*
+ ; COMBINE_PTR_LABEL: store i16
+ ; COMBINE_PTR_LABEL: store i32
+
store i32 %v, i32* %p
ret void
}
define void @store64(i64 %v, i64* %p) {
- ; CHECK: @"dfs$store64"
- ; CHECK: load{{.*}}__dfsan_arg_tls
- ; CHECK: ptrtoint
- ; CHECK: and
- ; CHECK: mul
- ; CHECK: inttoptr
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: insertelement
- ; CHECK: bitcast
- ; CHECK: getelementptr
- ; CHECK: store
- ; CHECK: store
+ ; NO_COMBINE_PTR_LABEL: @"dfs$store64"
+ ; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; NO_COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64
+ ; NO_COMBINE_PTR_LABEL: and i64
+ ; NO_COMBINE_PTR_LABEL: mul i64
+ ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>*
+ ; NO_COMBINE_PTR_LABEL: store i64
+
+ ; COMBINE_PTR_LABEL: @"dfs$store64"
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
+ ; COMBINE_PTR_LABEL: icmp ne i16
+ ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
+ ; COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64
+ ; COMBINE_PTR_LABEL: and i64
+ ; COMBINE_PTR_LABEL: mul i64
+ ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: insertelement {{.*}} i16
+ ; COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>*
+ ; COMBINE_PTR_LABEL: store <8 x i16>
+ ; COMBINE_PTR_LABEL: store i64
+
store i64 %v, i64* %p
ret void
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 19:56:35 +0000