diff --git a/llvm/test/Instrumentation/DataFlowSanitizer/store.ll b/llvm/test/Instrumentation/DataFlowSanitizer/store.ll --- a/llvm/test/Instrumentation/DataFlowSanitizer/store.ll +++ b/llvm/test/Instrumentation/DataFlowSanitizer/store.ll @@ -1,166 +1,141 @@ -; 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 +; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK16,COMBINE_PTR_LABEL +; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=0 -S | FileCheck %s --check-prefixes=CHECK,CHECK16,NO_COMBINE_PTR_LABEL +; RUN: opt < %s -dfsan -dfsan-fast-16-labels -dfsan-combine-pointer-labels-on-store=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK16,COMBINE_PTR_LABEL_FAST +; RUN: opt < %s -dfsan -dfsan-fast-16-labels -dfsan-combine-pointer-labels-on-store=0 -S | FileCheck %s --check-prefixes=CHECK,CHECK16,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" target triple = "x86_64-unknown-linux-gnu" -define void @store0({} %v, {}* %p) { - ; COMBINE_PTR_LABEL: @"dfs$store0" - ; COMBINE_PTR_LABEL: store - ; COMBINE_PTR_LABEL-NOT: store +; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]] +; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]] - ; NO_COMBINE_PTR_LABEL: @"dfs$store0" - ; NO_COMBINE_PTR_LABEL: store - ; NO_COMBINE_PTR_LABEL-NOT: store +define void @store0({} %v, {}* %p) { + ; CHECK-LABEL: @"dfs$store0" + ; CHECK: store {} %v, {}* %p + ; CHECK-NOT: store + ; CHECK: ret void store {} %v, {}* %p ret void } define void @store8(i8 %v, i8* %p) { - ; NO_COMBINE_PTR_LABEL: @"dfs$store8" - ; NO_COMBINE_PTR_LABEL: load i16, 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, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: store i8 - - ; COMBINE_PTR_LABEL: @"dfs$store8" - ; COMBINE_PTR_LABEL: load i16, i16* - ; COMBINE_PTR_LABEL: load i16, i16* - ; COMBINE_PTR_LABEL: icmp ne i16 + ; CHECK-LABEL: @"dfs$store8" + ; CHECK: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + + ; COMBINE_PTR_LABEL: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL: icmp ne i[[#SBITS]] ; 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, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: store i8 + + ; COMM: When not in legacy mode, the three instructions above will + ; be replaced with the following: + ; COMBINE_PTR_LABEL_FAST: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL_FAST: or i[[#SBITS]] + + ; CHECK: ptrtoint i8* {{.*}} i64 + ; CHECK-NEXT: and i64 + ; CHECK16-NEXT: mul i64 + ; CHECK-NEXT: inttoptr i64 {{.*}} i[[#SBITS]]* + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: store i8 %v, i8* %p + ; CHECK-NEXT: ret void store i8 %v, i8* %p ret void } define void @store16(i16 %v, i16* %p) { - ; NO_COMBINE_PTR_LABEL: @"dfs$store16" - ; NO_COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; NO_COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64 - ; NO_COMBINE_PTR_LABEL: and i64 - ; NO_COMBINE_PTR_LABEL: mul i64 - ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16* - ; NO_COMBINE_PTR_LABEL: getelementptr i16, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: getelementptr i16, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: store i16 - - ; COMBINE_PTR_LABEL: @"dfs$store16" - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: icmp ne i16 + ; CHECK-LABEL: @"dfs$store16" + ; CHECK: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + + ; COMBINE_PTR_LABEL: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL: icmp ne i[[#SBITS]] ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union - ; COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64 - ; COMBINE_PTR_LABEL: and i64 - ; COMBINE_PTR_LABEL: mul i64 - ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16* - ; COMBINE_PTR_LABEL: getelementptr i16, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: getelementptr i16, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: store i16 + + ; COMM: When not in legacy mode, the three instructions above will + ; be replaced with the following: + ; COMBINE_PTR_LABEL_FAST: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL_FAST: or i[[#SBITS]] + + ; CHECK: ptrtoint i16* {{.*}} i64 + ; CHECK-NEXT: and i64 + ; CHECK16-NEXT: mul i64 + ; CHECK-NEXT: inttoptr i64 {{.*}} i[[#SBITS]]* + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: store i16 %v, i16* %p + ; CHECK-NEXT: ret void store i16 %v, i16* %p ret void } define void @store32(i32 %v, i32* %p) { - ; NO_COMBINE_PTR_LABEL: @"dfs$store32" - ; NO_COMBINE_PTR_LABEL: load i16, 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, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: getelementptr i16, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: getelementptr i16, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: getelementptr i16, i16* - ; NO_COMBINE_PTR_LABEL: store i16 - ; NO_COMBINE_PTR_LABEL: store i32 - - ; COMBINE_PTR_LABEL: @"dfs$store32" - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: icmp ne i16 + ; CHECK-LABEL: @"dfs$store32" + ; CHECK: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + + ; COMBINE_PTR_LABEL: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL: icmp ne i[[#SBITS]] ; 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, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: getelementptr i16, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: getelementptr i16, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: getelementptr i16, i16* - ; COMBINE_PTR_LABEL: store i16 - ; COMBINE_PTR_LABEL: store i32 + + ; COMM: When not in legacy mode, the three instructions above will + ; be replaced with the following: + ; COMBINE_PTR_LABEL_FAST: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL_FAST: or i[[#SBITS]] + + ; CHECK: ptrtoint i32* {{.*}} i64 + ; CHECK-NEXT: and i64 + ; CHECK16-NEXT: mul i64 + ; CHECK-NEXT: inttoptr i64 {{.*}} i[[#SBITS]]* + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: getelementptr i[[#SBITS]], i[[#SBITS]]* + ; CHECK-NEXT: store i[[#SBITS]] + ; CHECK-NEXT: store i32 %v, i32* %p + ; CHECK-NEXT: ret void store i32 %v, i32* %p ret void } define void @store64(i64 %v, i64* %p) { - ; NO_COMBINE_PTR_LABEL: @"dfs$store64" - ; NO_COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; NO_COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64 - ; NO_COMBINE_PTR_LABEL: and i64 - ; NO_COMBINE_PTR_LABEL: mul i64 - ; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16* - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>* - ; NO_COMBINE_PTR_LABEL: store i64 - - ; COMBINE_PTR_LABEL: @"dfs$store64" - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: load i16, i16* {{.*}} @__dfsan_arg_tls - ; COMBINE_PTR_LABEL: icmp ne i16 + ; CHECK-LABEL: @"dfs$store64" + ; CHECK: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + + ; COMBINE_PTR_LABEL: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL: icmp ne i[[#SBITS]] ; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union - ; COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64 - ; COMBINE_PTR_LABEL: and i64 - ; COMBINE_PTR_LABEL: mul i64 - ; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16* - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: insertelement {{.*}} i16 - ; COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>* - ; COMBINE_PTR_LABEL: store <8 x i16> - ; COMBINE_PTR_LABEL: store i64 + + ; COMM: When not in legacy mode, the three instructions above will + ; be replaced with the following: + ; COMBINE_PTR_LABEL_FAST: load i[[#SBITS]], i[[#SBITS]]* {{.*}} @__dfsan_arg_tls + ; COMBINE_PTR_LABEL_FAST: or i[[#SBITS]] + + ; CHECK: ptrtoint i64* {{.*}} i64 + ; CHECK-NEXT: and i64 + ; CHECK16-NEXT: mul i64 + ; CHECK-NEXT: inttoptr i64 {{.*}} i[[#SBITS]]* + ; CHECK-COUNT-8: insertelement {{.*}} i[[#SBITS]] + ; CHECK-NEXT: bitcast i[[#SBITS]]* {{.*}} <8 x i[[#SBITS]]>* + ; CHECK-NEXT: getelementptr <8 x i[[#SBITS]]> + ; CHECK-NEXT: store <8 x i[[#SBITS]]> + ; CHECK-NEXT: store i64 %v, i64* %p + ; CHECK-NEXT: ret void store i64 %v, i64* %p ret void } define void @store_zero(i32* %p) { - ; NO_COMBINE_PTR_LABEL: store i64 0, i64* {{.*}}, align 2 + ; CHECK-LABEL: @"dfs$store_zero" + ; NO_COMBINE_PTR_LABEL: bitcast i[[#SBITS]]* {{.*}} to i[[#mul(4, SBITS)]]* + ; NO_COMBINE_PTR_LABEL: store i[[#mul(4, SBITS)]] 0, i[[#mul(4, SBITS)]]* {{.*}} store i32 0, i32* %p ret void -} \ No newline at end of file +}